http://workingwithwater.filtsep.com/ Copyright Elsevier Ltd Intuitiv Ltd (www.intuitiv.net) Sat, 04 Feb 2012 08:47:17 GMT http://workingwithwater.filtsep.com/ http://workingwithwater.filtsep.com/_common/img/template/wwwater/site-logo.gif http://workingwithwater.filtsep.com/view/23575/influence-of-membrane-orientation-and-organic-fouling-on-boron-and-arsenic-removal-by-forward-osmosis-membrane/ Membrane orientation and organic fouling have been investigated in terms of their influence on the performance of forward osmosis membranes in the removal of boron and arsenic. Rejection of both was higher in FO mode compared to the pressure-driven RO mode. Thu, 02 Feb 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23575/influence-of-membrane-orientation-and-organic-fouling-on-boron-and-arsenic-removal-by-forward-osmosis-membrane/ http://workingwithwater.filtsep.com/view/23572/improved-water-quality-in-response-to-pollution-control-measures-at-masan-bay-korea/ This study evaluates the first application of a pollutant abatement policy in a highly developed coastal area of Korea. Land–sea pollutant interactions were addressed by a six-year systematic monitoring effort, and a reduction in land-based pollutants was successfully achieved by control of point sources. Tue, 31 Jan 2012 11:30:00 GMT http://workingwithwater.filtsep.com/view/23572/improved-water-quality-in-response-to-pollution-control-measures-at-masan-bay-korea/ http://workingwithwater.filtsep.com/view/23574/submersible-pump-solution-for-kenyan-water/ A water services provider in Kenya's coast province has installed a new set of vertical multistage pumps at its water treatment plant following a failure. Mawasco, based in Malindi, Kenya, procured a set of Poldap Dalgic Pump sets from Konya in Turkey as replacements. Shem Oirere tells the story. Tue, 31 Jan 2012 11:28:00 GMT http://workingwithwater.filtsep.com/view/23574/submersible-pump-solution-for-kenyan-water/ http://workingwithwater.filtsep.com/view/23525/review-of-treatment-technologies-for-water-reverse-osmosis-concentrates/ This review paper looks at treatment technologies for reverse osmosis (RO) concentrates. The analysis considers volume reduction of the effluent, reducing the pollutant load, and the recovery of valuable compounds, salts and nutrients. It also considers advanced techniques aimed at zero liquid discharge. Mon, 30 Jan 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23525/review-of-treatment-technologies-for-water-reverse-osmosis-concentrates/ http://workingwithwater.filtsep.com/view/23396/integrated-approach-to-evaluate-emerging-contaminants-in-brazilian-drinking-water/ Estrogen and xenoestrogen levels have been chemical and biologically assessed in raw and drinking water samples from Brazilian intakes. It was found that estrogenicity is a better guiding parameter to select samples and chemical substances to be investigated. This integrated approach can guide the development of adequate treatment technologies. Thu, 26 Jan 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23396/integrated-approach-to-evaluate-emerging-contaminants-in-brazilian-drinking-water/ http://workingwithwater.filtsep.com/view/23395/flux-patterns-and-propensity-for-membrane-fouling-during-desalination-of-seawater-by-forward-osmosis/ This study of seawater desalination by forward osmosis found that the dominant inorganic fouling is caused by polymerised silica scaling, in which the fouling layer comprises silica scaling surrounded by biopolymers. While the flux saw a significant decrease, it can be partially recovered by water flushing. Tue, 24 Jan 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23395/flux-patterns-and-propensity-for-membrane-fouling-during-desalination-of-seawater-by-forward-osmosis/ http://workingwithwater.filtsep.com/view/23393/are-all-membrane-reactors-equal-from-an-environmental-point-of-view/ Life Cycle Assessment (LCA) has been used to compare different membrane bioreactor configurations with increasing complexity. Energy use and sludge disposal were identified as major environmental hot spots, and it was also found that there is an inverse relationship between technological complexity and environmental impact. Mon, 23 Jan 2012 11:45:00 GMT http://workingwithwater.filtsep.com/view/23393/are-all-membrane-reactors-equal-from-an-environmental-point-of-view/ http://workingwithwater.filtsep.com/view/23239/electrochemical-removal-of-ammonia-nitrogen-nitrate-and-carbon-from-aquaculture-wastewater/ This review of electrochemical technologies looks at how nitrate and organic carbon contaminants can be removed from aquaculture wastewater in a ‘green’ manner. Mechanisms of contaminant removal in electrochemical and bio-electrochemical reactors are discussed. It is found that 99% of organic matter and nitrate can be removed using bio-electrochemical cells. Thu, 19 Jan 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23239/electrochemical-removal-of-ammonia-nitrogen-nitrate-and-carbon-from-aquaculture-wastewater/ http://workingwithwater.filtsep.com/view/23284/hydropower-from-ksb-pumpsasturbines/ Brazil is known for its use of hydropower, but when a small, remote tourism complex in a Brazilian nature reserve needed additional power supply, a conventional hydropower solution was deemed too expensive. A more affordable option came in the form of a KSB centrifugal pump driving an electric motor acting as a generator. Tue, 17 Jan 2012 18:57:00 GMT http://workingwithwater.filtsep.com/view/23284/hydropower-from-ksb-pumpsasturbines/ http://workingwithwater.filtsep.com/view/23238/testing-the-resilience-of-water-supply-systems-to-long-droughts/ A method has been developed to test the resilience of water supply drought plans to extended droughts. Reservoir models are used interactively to expose managers to an unfolding drought, highlighting decision points and weaknesses in drought plans. The method is demonstrated for two water supply systems in the UK. Tue, 17 Jan 2012 10:00:00 GMT http://workingwithwater.filtsep.com/view/23238/testing-the-resilience-of-water-supply-systems-to-long-droughts/ http://workingwithwater.filtsep.com/view/23237/magnetically-induced-membrane-vibration-for-fouling-control-in-mbrs/ A novel magnetic vibrating module system has been developed, which shows promise as an energy-efficient process to limit fouling in membrane bioreactors used to treat wastewater. Mon, 16 Jan 2012 12:00:00 GMT http://workingwithwater.filtsep.com/view/23237/magnetically-induced-membrane-vibration-for-fouling-control-in-mbrs/ http://workingwithwater.filtsep.com/view/23106/hurricane-katrina-impact-on-water-quality-in-east-pearl-river-mississippi/ The water quality of the East Pearl River in southern Mississippi was examined before and after Hurricane Katrina in 2005. The analysis finds that hurricane-induced vegetative destruction within this river basin has not greatly changed carbon or suspended particulate concentrations, suggesting that the system is resilient. Thu, 12 Jan 2012 09:00:00 GMT http://workingwithwater.filtsep.com/view/23106/hurricane-katrina-impact-on-water-quality-in-east-pearl-river-mississippi/ http://workingwithwater.filtsep.com/view/23155/water-recycling-in-the-brewing-industry-/ Effluent should be recycled back into brewery operations with less reticence than is currently the case, according to South African wastewater specialists Talbot & Talbot. Throughout many parts of the world there are areas or entire regions where water is scarce and water quality highly suspect. In these situations beer quality is often compromised and production schedule disrupted. The use of properly treated effluent presents the brewer with a safer option and greater security of supply. Wed, 11 Jan 2012 16:00:00 GMT http://workingwithwater.filtsep.com/view/23155/water-recycling-in-the-brewing-industry-/ http://workingwithwater.filtsep.com/view/23114/refurbishment-for-a-bristol-sewage-plant-/ Bedford Pumps contributed to an extensive refurbishment of Ashton Avenue sewage pumping station, one of Wessex Water's largest and most critical facilities in the Bristol region. Included was the installation of three storm pumps and two dry-weather flow pumps, plus condition monitors, on time and under budget. Tue, 10 Jan 2012 14:28:00 GMT http://workingwithwater.filtsep.com/view/23114/refurbishment-for-a-bristol-sewage-plant-/ http://workingwithwater.filtsep.com/view/23103/current-trends-and-future-prospects-for-seawater-reverse-osmosis-desalination/ This comprehensive review looks at technological innovations in seawater reverse osmosis processes. RO membrane and rack design improvements are described in detail, and there is a special focus on the use of renewable energies for medium/large capacities. Tue, 10 Jan 2012 12:00:00 GMT http://workingwithwater.filtsep.com/view/23103/current-trends-and-future-prospects-for-seawater-reverse-osmosis-desalination/ http://workingwithwater.filtsep.com/view/22983/positively-charged-nanofiltration-membrane-to-treat-textile-industry-wastewater/ A novel positively charged nanofiltration membrane has been created using the self-assembly method, which exhibits high charge and controlled pore size for high rejection and flux. The membrane is demonstrated with the removal of methylene blue dye from a synthetic dye house effluent. Mon, 09 Jan 2012 09:00:00 GMT http://workingwithwater.filtsep.com/view/22983/positively-charged-nanofiltration-membrane-to-treat-textile-industry-wastewater/ http://workingwithwater.filtsep.com/view/22957/comparison-between-hybrid-and-standalone-mbrs-treating-municipal-wastewater/ Membrane bioreactors (MBRs) are now an accepted municipal wastewater treatment process. This study compares a stand-alone MBR with series and parallel hybrid MBR configurations. Fri, 06 Jan 2012 09:00:00 GMT http://workingwithwater.filtsep.com/view/22957/comparison-between-hybrid-and-standalone-mbrs-treating-municipal-wastewater/ http://workingwithwater.filtsep.com/view/22954/salinity-dynamics-as-a-tool-for-water-resources-management-in-coastal-zones/ Salinity dynamics is proposed for water resources management in the coastal zone, since salinity is a good environmental indicator. Salinity dynamics helps determine which water bodies critically need management. Thu, 05 Jan 2012 09:00:00 GMT http://workingwithwater.filtsep.com/view/22954/salinity-dynamics-as-a-tool-for-water-resources-management-in-coastal-zones/ http://workingwithwater.filtsep.com/view/22951/corrosion-in-drinking-water-pipes-the-importance-of-green-rust/ The complex crystallographic composition of corrosion products is studied by X-ray diffraction, and results compared for different sample pre-treatments. Green rusts are found to be much more abundant in corrosion scales than has been assumed so far. Wed, 04 Jan 2012 12:23:00 GMT http://workingwithwater.filtsep.com/view/22951/corrosion-in-drinking-water-pipes-the-importance-of-green-rust/ http://workingwithwater.filtsep.com/view/22568/frequency-of-use-controls-leaching-of-chemicals-from-disinfected-drinkingwater-bottles/ This study investigates the magnitude and variability of antimony and bromine leaching from reused plastic containers that have been subjected to UV and/or temperature-driven disinfection, in particular for safe water distribution in developing countries. Thu, 15 Dec 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22568/frequency-of-use-controls-leaching-of-chemicals-from-disinfected-drinkingwater-bottles/ http://workingwithwater.filtsep.com/view/22566/evaluation-of-surface-urban-energy-and-water-balance-scheme-in-los-angeles-and-vancouver/ This urban energy and water balance model uses a small number of commonly measured meteorological variables and information about the surface cover. The model is tested against direct flux measurements over several years in Vancouver, Canada and Los Angeles, USA. Tue, 13 Dec 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22566/evaluation-of-surface-urban-energy-and-water-balance-scheme-in-los-angeles-and-vancouver/ http://workingwithwater.filtsep.com/view/22565/highrecovery-brackish-water-desalination-process-without-precipitation-chemicals/ This novel high water recovery desalination process is devoid of chemicals, with alkaline scaling species precipitated by pH increase through CO2 air stripping. Pilot plant data show water recovery increasing from 78 to 90 percent, and recoveries exceeding 95 percent are anticipated from carbonate-rich concentrates. Mon, 12 Dec 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22565/highrecovery-brackish-water-desalination-process-without-precipitation-chemicals/ http://workingwithwater.filtsep.com/view/22432/onfarm-treatment-of-dairy-soiled-water-using-aerobic-woodchip-filters/ The ability of aerobic woodchip filters to treat dairy soiled water (DSW) has been studied. This low-cost, easily maintained system is shown to be effective in treating DSW under operational conditions. Thu, 08 Dec 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22432/onfarm-treatment-of-dairy-soiled-water-using-aerobic-woodchip-filters/ http://workingwithwater.filtsep.com/view/22479/energy-optimization-for-grundfos-booster-sets/ C. Kallesøe, J. Aarestrup and K. Rokkjær of Grundfos analyse the control and design of booster sets from an energy perspective. They investigate how the structure and control can be used to minimize energy consumption, and demonstrate that equally sized pumps equipped with speed control and running at the same speed are a safe design choice. Tue, 06 Dec 2011 20:58:00 GMT http://workingwithwater.filtsep.com/view/22479/energy-optimization-for-grundfos-booster-sets/ http://workingwithwater.filtsep.com/view/22431/distinguishing-between-managementinduced-and-climatic-trends-in-phreatic-groundwater-levels/ A method is proposed for distinguishing between climatic and management-induced contributions to observed trends in phreatic groundwater levels over a 10-year period at a number of wells in Belgium. Ignoring this difference would lead to flawed conclusions about the effectiveness of water management strategies. Tue, 06 Dec 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22431/distinguishing-between-managementinduced-and-climatic-trends-in-phreatic-groundwater-levels/ http://workingwithwater.filtsep.com/view/22429/integrity-sensor-to-assess-performance-of-lowpressure-membrane-modules/ This new integrity sensor provides a low-cost, sensitive, compact, online instrument with a rapid response for assessing the integrity of pre-treatment modules in water treatment facilities. The improved design eliminates fouling on the second membrane. Mon, 05 Dec 2011 11:35:00 GMT http://workingwithwater.filtsep.com/view/22429/integrity-sensor-to-assess-performance-of-lowpressure-membrane-modules/ http://workingwithwater.filtsep.com/view/22387/thinfilm-composite-membranes-for-engineered-osmosis/ A novel thin-film composite membrane is proposed to address the problem of low water flux in engineered osmosis (EO) membrane-based separation technology. Thu, 01 Dec 2011 19:00:00 GMT http://workingwithwater.filtsep.com/view/22387/thinfilm-composite-membranes-for-engineered-osmosis/ http://workingwithwater.filtsep.com/view/22386/assessing-water-quality-in-marine-protected-areas-off-southern-california/ Storm events have been sampled across 16 sites in marine protected areas off southern California, to study how urban storm drains impact water quality in these supposedly safeguarded areas. Thu, 01 Dec 2011 18:00:00 GMT http://workingwithwater.filtsep.com/view/22386/assessing-water-quality-in-marine-protected-areas-off-southern-california/ http://workingwithwater.filtsep.com/view/22385/uvchlorine-advanced-oxidation-treatment-for-removal-of-emerging-contaminants/ This work compares UV/HOCl and UV/ClO2 advanced oxidation processes with the state-of-the-art UV/H2O2 advanced oxidation process under realistic treatment conditions, to allow precise scale-up and find the most energy- and cost-efficient solution. Thu, 01 Dec 2011 17:40:00 GMT http://workingwithwater.filtsep.com/view/22385/uvchlorine-advanced-oxidation-treatment-for-removal-of-emerging-contaminants/ http://workingwithwater.filtsep.com/view/22337/surge-protection-in-tall-buildings/ As water companies reduce water pressure in the domestic mains to reduce leakages, tall buildings are becoming reliant on booster pumps to provide water at sufficient pressure to enable normal daily living. This has revealed a potential threat – hydraulic shock, says Gary Wheatley from Wilo (U.K.) Ltd. Tue, 29 Nov 2011 17:00:00 GMT http://workingwithwater.filtsep.com/view/22337/surge-protection-in-tall-buildings/ http://workingwithwater.filtsep.com/view/22149/survey-of-chemical-dosing-for-sulfide-control-in-the-australian-water-industry/ This industry survey looks at several major Australian water utilities, and catalogues chemical dosing practice at a variety of field sites. It summarises current practice in Australia, and discusses key opportunities for more cost-effective sulfide control. Thu, 24 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22149/survey-of-chemical-dosing-for-sulfide-control-in-the-australian-water-industry/ http://workingwithwater.filtsep.com/view/22148/catchment-flow-estimation-using-artificial-neural-network-in-euphrates-basin/ An Artificial Neural Network (ANN) modelling approach has been used to simulate the streamflow in the Upper Euphrates Basin, utilising its ability to model nonlinear hydrological processes. Tue, 22 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22148/catchment-flow-estimation-using-artificial-neural-network-in-euphrates-basin/ http://workingwithwater.filtsep.com/view/22146/ppsupei-blend-membranes-for-humic-acid-removal-by-ultrafiltration/ The blending of two polymers (PPSU and PEI) is explored to exploit the advantages of each material. The aim is to develop a membrane with negative charge and hydrophilic properties, which is beneficial for humic acid removal and reduced fouling. Mon, 21 Nov 2011 13:00:00 GMT http://workingwithwater.filtsep.com/view/22146/ppsupei-blend-membranes-for-humic-acid-removal-by-ultrafiltration/ http://workingwithwater.filtsep.com/view/22061/quantifying-exchangeable-calcium-in-activated-sludge-flocs-and-sludge-settleability/ The exchangeable calcium in activated sludge flocs is quantified next to that present in the floc structure as enmeshed solid precipitates. Both exchangeable and precipitated calcium solids fractions play an important role in the settling properties of the sludge flocs. Thu, 17 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/22061/quantifying-exchangeable-calcium-in-activated-sludge-flocs-and-sludge-settleability/ http://workingwithwater.filtsep.com/view/22053/carbon-and-energy-footprint-of-wastewater-treatment-processes/ The carbon and energy footprint of a water treatment process has been modelled with varying COD fractions. While enhancing primary sedimentation reduces the process energy deficit, increased COD removal in primaries may adversely affect nutrient removal downstream. Increasing soluble COD (sCOD) increases aeration energy demand and reduces biogas recovery. Wed, 16 Nov 2011 11:00:00 GMT http://workingwithwater.filtsep.com/view/22053/carbon-and-energy-footprint-of-wastewater-treatment-processes/ http://workingwithwater.filtsep.com/view/22052/scaling-propensity-of-seawater-in-ro-boron-removal-processes/ The boron concentration in seawater desalination by reverse osmosis (RO) is controlled by increasing pH, which promotes scaling propensity. This study provides new data to determine scaling limits in boron control processes, and analyses the possibility of simplifying current boron control design to a single-pass system. Tue, 15 Nov 2011 18:15:00 GMT http://workingwithwater.filtsep.com/view/22052/scaling-propensity-of-seawater-in-ro-boron-removal-processes/ http://workingwithwater.filtsep.com/view/22051/san-tai-efficiency-for-taiwan-power-plant/ It is often said that the bigger the project the bigger the potential energy savings. This is true for the Datan power plant, the largest of its kind in north Taiwan. Part of the reason for its success is the use of 12 sets of highly efficient, corrosion-resistant, low maintenance San Tai centrifugal water pumps giving an efficiency of 89%. Tue, 15 Nov 2011 15:59:00 GMT http://workingwithwater.filtsep.com/view/22051/san-tai-efficiency-for-taiwan-power-plant/ http://workingwithwater.filtsep.com/view/21846/influence-of-membrane-properties-on-the-silt-density-index/ The Silt Density Index (SDI) was measured for eight commercial 0.45 µm membranes, and variations observed between the membranes. It is therefore recommended to use standardized membranes with constant properties. Using a membrane with a high membrane resistance results in a low SDI value. Wed, 09 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/21846/influence-of-membrane-properties-on-the-silt-density-index/ http://workingwithwater.filtsep.com/view/21845/magnetic-removal-of-surfactants-from-wastewater-using-micronscale-iron-oxide-powders/ This sustainable process for the removal of surfactants from wastewater achieved up to 90 percent removal of cationic surfactants using magnetite, and 50 to 90 percent removal of all surfactants using hematite. The adsorption and magnetic separation times are applicable to a real urban plant. Tue, 08 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/21845/magnetic-removal-of-surfactants-from-wastewater-using-micronscale-iron-oxide-powders/ http://workingwithwater.filtsep.com/view/21844/coupled-model-treegenetic-algorithm-scheme-to-assess-biofouling-in-pipelines/ A computerized learning algorithm has been developed for assessing the extent of biofouling formations on the inner surfaces of water supply pipelines. Mon, 07 Nov 2011 10:00:00 GMT http://workingwithwater.filtsep.com/view/21844/coupled-model-treegenetic-algorithm-scheme-to-assess-biofouling-in-pipelines/ http://workingwithwater.filtsep.com/view/21784/scale-formation-and-control-in-high-pressure-membrane-water-treatment-systems/ This review considers the mechanism of scale formation and the properties of alkaline, non-alkaline, and silica-based scales encountered when reverse osmosis is used in desalination, brackish water, and wastewater recycling applications. Thu, 03 Nov 2011 10:34:00 GMT http://workingwithwater.filtsep.com/view/21784/scale-formation-and-control-in-high-pressure-membrane-water-treatment-systems/ http://workingwithwater.filtsep.com/view/21773/managed-aquifer-recharging-of-treated-wastewater/ Wastewater quality changes have been compared after passing through a calcareous vadose zone in a managed aquifer recharge field trial. The concentration reductions for phosphorus, fluoride, iron, and organic carbon were >30%, although aerobic conditions in the vadose zone were not conducive for removing nitrate. Wed, 02 Nov 2011 17:25:00 GMT http://workingwithwater.filtsep.com/view/21773/managed-aquifer-recharging-of-treated-wastewater/ http://workingwithwater.filtsep.com/view/21744/vsd-energy-savings-in-submersible-systems/ While considerable energy savings can be achieved by installing variable speed drives in standard pump systems, VSDs are less common in submersible applications, being more difficult to implement. However, it is well worth the effort as the energy savings and process improvements can be enormous. Here, ABB examines the main factors to consider. Tue, 01 Nov 2011 16:30:00 GMT http://workingwithwater.filtsep.com/view/21744/vsd-energy-savings-in-submersible-systems/ http://workingwithwater.filtsep.com/view/21559/selected-papers-from-the-6th-international-conference-on-marine-pollution-and-ecotoxicology/ Papers from the 6th International Conference on Marine Pollution and Ecotoxicology, held 31 May–3 June 2010 at City University of Hong Kong, have been published in a special issue of Marine Pollution Bulletin. Mon, 24 Oct 2011 16:42:00 GMT http://workingwithwater.filtsep.com/view/21559/selected-papers-from-the-6th-international-conference-on-marine-pollution-and-ecotoxicology/ http://workingwithwater.filtsep.com/view/21558/optimised-mf-membrane-cleaning-in-indirect-potable-reuse-scheme/ An optimised chemical cleaning protocol has been demonstrated for a membrane pilot plant. Bench-scale results were replicated at pilot scale for real municipal wastewater, and an operating envelope for chemical cleaning conditions has been established for full flux recovery. Mon, 24 Oct 2011 16:38:00 GMT http://workingwithwater.filtsep.com/view/21558/optimised-mf-membrane-cleaning-in-indirect-potable-reuse-scheme/ http://workingwithwater.filtsep.com/view/21556/developing-financially-selfsustaining-water-and-wastewater-management-policies/ A new approach for water utilities to be financially self-sustaining has been proposed. Complex interconnections and feedback loops in water and wastewater network management are considered using a causal loop diagram. Mon, 24 Oct 2011 16:32:00 GMT http://workingwithwater.filtsep.com/view/21556/developing-financially-selfsustaining-water-and-wastewater-management-policies/ http://workingwithwater.filtsep.com/view/21555/performance-of-polymeric-membranes-treating-ozonated-surface-water/ The effect of pre-ozonation of the feed surface water on the flux and rejection performance of polymeric nanofiltration and ultrafiltration membranes has been investigated. The fouling and dissolved organic carbon (DOC) rejection characteristics of the membranes were found to depend on the ozonation dosage. Mon, 24 Oct 2011 16:30:00 GMT http://workingwithwater.filtsep.com/view/21555/performance-of-polymeric-membranes-treating-ozonated-surface-water/ http://workingwithwater.filtsep.com/view/21554/effects-of-membrane-orientation-on-forward-osmosis-performance/ This work investigates the effects of membrane orientation on forward osmosis (FO) performance, and provides a guideline for the orientation selection in various FO applications. The FO mode provides better performance when severe fouling occurs. Mon, 24 Oct 2011 16:14:00 GMT http://workingwithwater.filtsep.com/view/21554/effects-of-membrane-orientation-on-forward-osmosis-performance/ http://workingwithwater.filtsep.com/view/21553/recovery-of-toxic-metal-ions-from-washing-effluent-containing-excess-apcs/ This work looks at the recovery of toxic metals from effluents containing an excess of aminopolycarboxylate chelants (APCs) in solution, using an ion-selective solid phase extraction system containing immobilized macrocyclic material. Mon, 24 Oct 2011 16:11:00 GMT http://workingwithwater.filtsep.com/view/21553/recovery-of-toxic-metal-ions-from-washing-effluent-containing-excess-apcs/ http://workingwithwater.filtsep.com/view/21551/evaluation-of-rainfall-over-mountainous-terrain-from-a-water-resources-perspective/ The usefulness of several commonly used precipitation products over complex mountainous terrain with scarce data – for two regions in the tropical Andes – has been evaluated from the perspective of water resources management. Mon, 24 Oct 2011 16:00:00 GMT http://workingwithwater.filtsep.com/view/21551/evaluation-of-rainfall-over-mountainous-terrain-from-a-water-resources-perspective/ http://workingwithwater.filtsep.com/view/21552/hydrogelbiochar-composites-for-organic-contaminant-removal-from-wastewater/ Environmentally benign hydrogel-biochar composites have been evaluated for phenol removal, and found to offer effective remediation of wastewater. Mon, 24 Oct 2011 16:00:00 GMT http://workingwithwater.filtsep.com/view/21552/hydrogelbiochar-composites-for-organic-contaminant-removal-from-wastewater/ http://workingwithwater.filtsep.com/view/21513/culture-media-new-carrier-aids-biological-sewage-water-treatment/ A new carrier medium for biological sewage water treatment has been developed that result in significant increases in facility capacities. Stefan Christof Bidinger, Bernd Dzedzig, Dr.-Ing. Markus Geiger and Bernd Rauch of Multi Umwelttechnologie AG describe how the Mutag BioChip is tackling micro-organisms in the treatment of sewage. Fri, 21 Oct 2011 11:26:00 GMT http://workingwithwater.filtsep.com/view/21513/culture-media-new-carrier-aids-biological-sewage-water-treatment/ http://workingwithwater.filtsep.com/view/21508/ceramic-membranes-high-filtration-area-packing-densities-improve-membrane-performance/ New tubular ceramic membranes have been developed that provide a high packing density of the filtration area. These new ceramic membrane filter elements have been proven in case studies in oily wastewater treatment applications. Steffen Heidenreich and Winfried Michell of Pall Filtersystems GmbH describe the findings. Fri, 21 Oct 2011 10:20:00 GMT http://workingwithwater.filtsep.com/view/21508/ceramic-membranes-high-filtration-area-packing-densities-improve-membrane-performance/ http://workingwithwater.filtsep.com/view/21437/stormwater-tank-design-the-grundfos-way/ Increasingly, cities and low-lying areas are at risk of sewer overflow from extreme rainfall. Stormwater tanks can help reduce the impact of extreme climatic events by holding back excess stormwater and contaminants. This protects the environment and makes possible the intelligent management of stormwater flows, resulting in savings on infrastructure investments. Now Grundfos has developed a handbook informing engineers about tank design and optimisation. Tue, 18 Oct 2011 15:28:00 GMT http://workingwithwater.filtsep.com/view/21437/stormwater-tank-design-the-grundfos-way/ http://workingwithwater.filtsep.com/view/21368/drinking-water-ensuring-the-future-of-us-drinking-water-supplies/ The future availability and quality of drinking water are undoubtedly pressing issues for the US government, as predictions of climate change point to increasing pressures on procurement and supply. Norrie Hunter investigates what the US national and local governments, together with the US EPA are doing to ensure the volume and integrity of the nation's drinking water is maintained and improved. Fri, 14 Oct 2011 12:00:00 GMT http://workingwithwater.filtsep.com/view/21368/drinking-water-ensuring-the-future-of-us-drinking-water-supplies/ http://workingwithwater.filtsep.com/view/20676/flushing-system-to-clean-lifting-station-/ To keep wastewater lifting stations operating at peak efficiency it is necessary that they remain clean. Caprari with more than 60 years in designing, manufacturing and installing pumping, mixing and aeration equipment, has contributed towards the creation of a ‘flushing system’. It includes a number of features that are designed to offer significant improvements. Fri, 16 Sep 2011 15:00:00 GMT http://workingwithwater.filtsep.com/view/20676/flushing-system-to-clean-lifting-station-/ http://workingwithwater.filtsep.com/view/20673/ksb-aids-polish-wastewater-upgrade/ When the wastewater and effluent infrastructure of the historic city of Krakow in Poland was in urgent need of renewal and updating, the main objectives being to improve the treatment of sewage which eventually flows into the Baltic Sea. A number of KSB's sewage submersible pumps and mixers were used to fulfil this objective. Wed, 14 Sep 2011 11:38:00 GMT http://workingwithwater.filtsep.com/view/20673/ksb-aids-polish-wastewater-upgrade/ http://workingwithwater.filtsep.com/view/20674/danfoss-piston-pumps-run-for-23000-hours-with-almost-no-wear-/ Residents of Elbow Cay, Bahamas rely on reverse osmosis for most fresh water, often supplied by fixed displacement axial piston pumps for new and retrofit installations. One Danfoss unit recently attained 23,000 hours of use – 15,000 more than its guarantee and is still in excellent shape. World Pumps talks to James Graham and Gary Ford. Tue, 13 Sep 2011 11:46:00 GMT http://workingwithwater.filtsep.com/view/20674/danfoss-piston-pumps-run-for-23000-hours-with-almost-no-wear-/ http://workingwithwater.filtsep.com/view/20577/safe-drinking-water-from-grundfos-range/ Since the Haiti earthquake in January 2010, contaminated water has been a contributing factor in the wide spread of cholera. Insufficient power supplies and water shortages are two major factors which needed to be overcome. Grundfos provided rotor and centrifugal pumping systems which combat these problems by using solar and wind energy. Wed, 07 Sep 2011 09:57:00 GMT http://workingwithwater.filtsep.com/view/20577/safe-drinking-water-from-grundfos-range/ http://workingwithwater.filtsep.com/view/20357/potable-water-new-technology-enables-use-of-alternative-water-sources-/ Anthony Bennett looks at alternative sources of water and examines how they can be treated by advanced filtration and separation technologies to reduce the pressure on potable water sources. Fri, 26 Aug 2011 10:27:00 GMT http://workingwithwater.filtsep.com/view/20357/potable-water-new-technology-enables-use-of-alternative-water-sources-/ http://workingwithwater.filtsep.com/view/20136/installing-abs-irrigation-schemes-in-kenya/ Long-term water shortages and an aging infrastructure system mean Kenya is in need of new water supply facilities. Local institutions came together to begin the refurbishment and reinstallation of effective pumping systems, beginning with a rice irrigation scheme. After ABS replaced worn out submersible water pumps, an increase in rice production was noted. Tue, 16 Aug 2011 17:00:00 GMT http://workingwithwater.filtsep.com/view/20136/installing-abs-irrigation-schemes-in-kenya/ http://workingwithwater.filtsep.com/view/19060/biogas-production-effective-mixing-for-anaerobic-digestion-process-/ Anaerobic digesters are now required to handle an increasingly wider type of waste material. Ensuring effective mixing in the digester can make significant improvements in efficiency. Thu, 30 Jun 2011 11:24:00 GMT http://workingwithwater.filtsep.com/view/19060/biogas-production-effective-mixing-for-anaerobic-digestion-process-/ http://workingwithwater.filtsep.com/view/19013/membrane-bioreactors-snack-food-processor-benefits-from-membrane-bioreactor-solution-/ A new membrane bioreactor system has been installed as the wastewater treatment facility for a snack foods operation in Alabama, USA. The quality of the wastewater is now good enough to be discharged into the local water coarse ecosystem, avoiding significant municipal surcharges in the process. Wed, 29 Jun 2011 10:58:00 GMT http://workingwithwater.filtsep.com/view/19013/membrane-bioreactors-snack-food-processor-benefits-from-membrane-bioreactor-solution-/ http://workingwithwater.filtsep.com/view/18904/membrane-bioreactors-advanced-membranes-improve-energy-efficiency-and-reduce-lifecycle-costs-/ Membrane bioreactor technology has been selected to meet current and future wastewater treatment needs and environmental standards in California. Fri, 24 Jun 2011 11:00:00 GMT http://workingwithwater.filtsep.com/view/18904/membrane-bioreactors-advanced-membranes-improve-energy-efficiency-and-reduce-lifecycle-costs-/ http://workingwithwater.filtsep.com/view/18744/ground-water-dealing-with-iron-contamination-/ Iron contamination can present a number of problems for water filtration systems for agricultural, industrial and municipal applications. Daniel Ityel of Amiad Filtration Systems outlines the problems and introduces a new method of micro-fibre filtration after oxidation. Thu, 16 Jun 2011 14:50:00 GMT http://workingwithwater.filtsep.com/view/18744/ground-water-dealing-with-iron-contamination-/ http://workingwithwater.filtsep.com/view/14387/wastewater-treating-wash-water-from-paint-removal/ The shipping industry is required to treat wastewater to comply with increasingly strict environmental legislation. A solution was needed which could quickly and efficiently treat and dispose of the washing water used in paint removal. A filter station was developed with a compact filter system which combines filtration and briquetting in one device. Thu, 02 Dec 2010 16:00:00 GMT http://workingwithwater.filtsep.com/view/14387/wastewater-treating-wash-water-from-paint-removal/ http://workingwithwater.filtsep.com/view/14386/uf-pretreatment-membranes-combat-fouling-risk-in-water/ A steel producer in the United Arab Emirates planned an expansion of the existing steel plant and desalination facility. Due to the high fouling risk associated with Arabic Gulf waters, incorporating a pre-treatment technology was essential. The company chose an ultrafiltration system which combined a resilient membrane with anti-fouling properties. Thu, 02 Dec 2010 15:59:00 GMT http://workingwithwater.filtsep.com/view/14386/uf-pretreatment-membranes-combat-fouling-risk-in-water/ http://workingwithwater.filtsep.com/view/14321/seawater-desalination-us-desalination-industry-addresses-obstacles-to-growth-/ Seawater desalination faces a number of challenges in the USA. Nikolay Voutchkov of Water Globe Consulting, LLC, explains some of these and looks at ways they can be tackled. Tue, 30 Nov 2010 15:37:00 GMT http://workingwithwater.filtsep.com/view/14321/seawater-desalination-us-desalination-industry-addresses-obstacles-to-growth-/ http://workingwithwater.filtsep.com/view/14279/electrical-and-electronics-filtration-is-key-for-electrical-equipment-and-semiconductors-/ In the final article in a series looking at the smaller end-use application sectors for filtration and separation equipment, Ken Sutherland reviews the manufacture of electrical and electronic equipment and materials. Mon, 29 Nov 2010 16:49:00 GMT http://workingwithwater.filtsep.com/view/14279/electrical-and-electronics-filtration-is-key-for-electrical-equipment-and-semiconductors-/ http://workingwithwater.filtsep.com/view/13663/reverse-osmosis-salt-extraction-from-deep-well-aquifers/ Salt water intrusion in the local wells meant a wastewater treatment plant in the Village of Tequesta, Florida, US, required a desalination system. After soliciting bids from a variety of engineering firms, local officials chose two RO systems which subsequently required no cleaning in the eight years since installation. Tue, 02 Nov 2010 14:20:00 GMT http://workingwithwater.filtsep.com/view/13663/reverse-osmosis-salt-extraction-from-deep-well-aquifers/ http://workingwithwater.filtsep.com/view/13658/swro-desalination-longterm-solution-for-water-shortages/ Drought in Barcelona was forcing the government to transport water into the city. To provide a long-term solution, the Llobregat Desalination Plant was commissioned and built within two years. The success of this endeavor was marked with the award of the 2010 Global Water Intelligence Desalination Plant of the Year. Tue, 02 Nov 2010 14:00:00 GMT http://workingwithwater.filtsep.com/view/13658/swro-desalination-longterm-solution-for-water-shortages/ http://workingwithwater.filtsep.com/view/13656/fresh-water-from-onboard-systems/ Advances in reverse osmosis technology enable more fresh water from smaller, more efficient systems. Parker Hannifin’s Racor Filter Division Europe, looks at how the latest developments in reverse osmosis desalination technology has led to the introduction of smaller, lighter and more energy efficient systems than ever before. Tue, 02 Nov 2010 13:46:00 GMT http://workingwithwater.filtsep.com/view/13656/fresh-water-from-onboard-systems/ http://workingwithwater.filtsep.com/view/13629/beneficial-uses-of-concentrate-waste/ In this article, Anthony Bennett looks at desalination concentrate management options. These include beneficial uses and high recovery processing to minimise volumes requiring further treatment or disposal. He also looks at zero liquid discharge (ZLD) and the possible application of new and emerging technologies and applications to improve overall system recovery. Mon, 01 Nov 2010 14:11:00 GMT http://workingwithwater.filtsep.com/view/13629/beneficial-uses-of-concentrate-waste/ http://workingwithwater.filtsep.com/view/13025/rethinking-the-causes-of-membrane-biofouling/ The problem of biofouling has been around since the introduction of membrane technology. Rodney Komlenic proposes that it is time to take a fresh look at its causes and how to find a remedy. Wed, 06 Oct 2010 14:29:00 GMT http://workingwithwater.filtsep.com/view/13025/rethinking-the-causes-of-membrane-biofouling/ http://workingwithwater.filtsep.com/view/12994/the-rise-of-membrane-bioreactors-/ The membrane bioreactor has become an important processing tool in the treatment of waste liquids and of suspensions of waste solids. Ken Sutherland reviews its history, looks at its current applications, and comments on likely trends. Tue, 05 Oct 2010 16:17:00 GMT http://workingwithwater.filtsep.com/view/12994/the-rise-of-membrane-bioreactors-/ http://workingwithwater.filtsep.com/view/12936/weftec-2010/ Ranked in the top 1% of all trade shows in North America, and the largest annual water quality exhibition in the world, this year's WEFTEC will be held on 2–6 October 2010 in New Orleans, Louisiana, USA. Filtration + Separation canvassed some exhibitors to find out what would be on display. Mon, 04 Oct 2010 13:28:00 GMT http://workingwithwater.filtsep.com/view/12936/weftec-2010/ http://workingwithwater.filtsep.com/view/12935/removing-hydrogen-sulphide-from-water-/ A UK water bottling facility decided to implement monitoring controls for hydrogen sulphide. Six easy-to-operate dissolved sulphide monitors were selected which generate results in real time and require little maintenance. Optimum product quality was assured through the detection and removal of any traces of hydrogen sulphide in the water, by taste or odour. Mon, 04 Oct 2010 13:00:00 GMT http://workingwithwater.filtsep.com/view/12935/removing-hydrogen-sulphide-from-water-/ http://workingwithwater.filtsep.com/view/12922/wastewater-recycling-to-potable-water-standards/ With increasing pressures on water supplies, water recycling in food and drinks production has become a much higher priority. A UK-based food processor is using membrane bioreactors to recycle wastewater to potable water standards. Mon, 04 Oct 2010 10:55:00 GMT http://workingwithwater.filtsep.com/view/12922/wastewater-recycling-to-potable-water-standards/ http://workingwithwater.filtsep.com/view/12916/bearings-designed-for-abrasive-liquids/ Particulates in the water of a central production plant in Kansas City, USA, were causing bushings to fail after 30 months. A natural rubber-based, self-lubricating bearing material was suggested as a replacement. The outcome was a five year period without any performance problems and an estimated saving of approximately US$60,000. Mon, 04 Oct 2010 10:36:00 GMT http://workingwithwater.filtsep.com/view/12916/bearings-designed-for-abrasive-liquids/ http://workingwithwater.filtsep.com/view/12912/processing-water-from-an-open-pit/ A Mexican gold mine required a number of products and services for the facility's process pump applications. It was important that the pumps could handle the abrasive mine water and could adapt to varying conditions. A reclaim water pumping system provided the answer and enabled water to be reused throughout the facility. Mon, 04 Oct 2010 10:15:00 GMT http://workingwithwater.filtsep.com/view/12912/processing-water-from-an-open-pit/ http://workingwithwater.filtsep.com/view/12855/ensuring-the-future-of-us-drinking-water-supplies-/ The future availability and quality of drinking water are, undoubtedly, the most pressing issues for the US government, as predictions of climate change point to increasing pressures on procurement and supply. Norrie Hunter investigates what the US national and local governments, together with the US EPA are doing to ensure the volume and integrity of the nation’s drinking water is maintained and improved. Thu, 30 Sep 2010 11:00:00 GMT http://workingwithwater.filtsep.com/view/12855/ensuring-the-future-of-us-drinking-water-supplies-/ http://workingwithwater.filtsep.com/view/12401/automating-sewage-treatment-processes/ A European sewage treatment works was undergoing a major plant upgrade. The main improvements involved the automation of the treatment processes to enable increased efficiency and reduced energy consumption. The impact of installing intelligent electric actuators improved the plant's process integrity, audit ability, reliability and ensured accurate process control. Fri, 10 Sep 2010 11:47:00 GMT http://workingwithwater.filtsep.com/view/12401/automating-sewage-treatment-processes/ http://workingwithwater.filtsep.com/view/12400/control-system-win-for-pumping-station/ With eight skips' worth of ragging being removed from a Scottish water treatment works on a weekly basis, continual pump blockages, flooding of local businesses, pollution of the seafront and odours were not uncommon. However, a new pump control system has helped resolve this without the need for a single reactive maintenance call-out. Fri, 10 Sep 2010 11:41:00 GMT http://workingwithwater.filtsep.com/view/12400/control-system-win-for-pumping-station/ http://workingwithwater.filtsep.com/view/12327/saving-energy-at-a-recirculation-plant/ A sewage treatment plant in Denmark needed to rebuild four process tanks to reduce energy consumption. A cost-effective solution was chosen which involved the installation of one propeller mixer in each tank. After two months of operation, anticipated energy savings at the plant were met and exceeded. Wed, 08 Sep 2010 16:41:00 GMT http://workingwithwater.filtsep.com/view/12327/saving-energy-at-a-recirculation-plant/ http://workingwithwater.filtsep.com/view/12235/measuring-liquid-in-half-filled-pipes/ A wastewater treatment plant needed to measure the volume of liquid in partially filled pipes. Inaccurate flow measurements in a particularly troublesome section of piping forced the plant to run on manual mode. The installation of electromagnetic flowmeters provided accurate, continuous measuring over the entire pipe cross-section and enabled the switch to automatic mode. Mon, 06 Sep 2010 11:23:00 GMT http://workingwithwater.filtsep.com/view/12235/measuring-liquid-in-half-filled-pipes/ http://workingwithwater.filtsep.com/view/11702/wastewater-odour-control-in-an-open-aeration-basin-/ A District created to promote public health decided to scrub off-gas odours from its Vallejo wastewater treatment plant. The two open aeration basins were targeted as part of the odour control upgrade. A retractable geomembrane cover was selected for the basins, which combines a gas-tight barrier with low life cost benefits. Thu, 12 Aug 2010 13:55:00 GMT http://workingwithwater.filtsep.com/view/11702/wastewater-odour-control-in-an-open-aeration-basin-/ http://workingwithwater.filtsep.com/view/11676/swro-pretreatment-markets-and-experience-/ In the fourth of a series of articles, Graeme Pearce looks at the issues involved in the selection of pre-treatment in seawater reverse osmosis desalination applications. Wed, 11 Aug 2010 16:25:00 GMT http://workingwithwater.filtsep.com/view/11676/swro-pretreatment-markets-and-experience-/ http://workingwithwater.filtsep.com/view/11672/pharmaceuticals-ensuring-a-supply-of-pyrogenfree-water-/ In the pharmaceutical industry it is essential to eliminate pyrogens from the manufacturing process, and in particular from the water production plants they require. Claudio Maini and Luca Zonarelli of Veolia Water Solutions & Technologies explain the background and the development of new systems to minimise the risks. Wed, 11 Aug 2010 15:56:00 GMT http://workingwithwater.filtsep.com/view/11672/pharmaceuticals-ensuring-a-supply-of-pyrogenfree-water-/ http://workingwithwater.filtsep.com/view/11668/controlling-water-ingress-in-a-tunnel/ A Swiss project to extend the rail infrastructure required tunnelling beneath a river. Pumps were needed which would cope with the possible danger of flooding during construction. A solution was found which removed residual water reliably and effectively and was able to be fitted with a tailor-made system in just three weeks. Wed, 11 Aug 2010 15:19:00 GMT http://workingwithwater.filtsep.com/view/11668/controlling-water-ingress-in-a-tunnel/ http://workingwithwater.filtsep.com/view/11557/green-water-delivery-for-winter-olympics/ The organisers of this year's Winter Olympic Games demanded as much from its water infrastructure as did its competitors. A reliable, environmentally friendly water solution was required, which would remain viable long after the games had ended. This goal was achieved with the installation of a range of energy and space saving solutions. Fri, 06 Aug 2010 11:16:00 GMT http://workingwithwater.filtsep.com/view/11557/green-water-delivery-for-winter-olympics/ http://workingwithwater.filtsep.com/view/11147/wastewater-recycling-screener-boosts-wastewater-recycling-capacity/ A linen supply company has increased its wastewater recycling capacity by 67 per cent with a low cost screener retrofit. Thu, 22 Jul 2010 11:41:00 GMT http://workingwithwater.filtsep.com/view/11147/wastewater-recycling-screener-boosts-wastewater-recycling-capacity/ http://workingwithwater.filtsep.com/view/11065/powering-industry-with-recycled-water/ After six years of well below average rainfall, South East Queensland was in the grip of the worst drought in the state’s recorded history. A rapidly expanding population placed an unprecedented demand on the dwindling water supplies. In response, the Western Corridor Recycled Water Project began diversifying the region’s water sources by providing a new source of pure water to power stations. Mon, 19 Jul 2010 14:00:00 GMT http://workingwithwater.filtsep.com/view/11065/powering-industry-with-recycled-water/ http://workingwithwater.filtsep.com/view/10853/securing-sustainable-water-resources-with-offcreek-storage-/ The Clarence Valley Coffs Harbour Regional Water Supply project in Northern New South Wales, Australia, was developed to provide a sustainable, secure water resource beyond the year 2046. The $99.35 million Shannon Creek Storage component featured innovations in planning, design and construction to address environmental and engineering issues, which enabled the project to be delivered on time and within budget. Fri, 09 Jul 2010 13:00:00 GMT http://workingwithwater.filtsep.com/view/10853/securing-sustainable-water-resources-with-offcreek-storage-/ http://workingwithwater.filtsep.com/view/10722/modernising-irrigation-delivery-in-australia/ Efficient management of water is critical for the future of irrigated agriculture as climate change and ongoing drought reduces the amount of available water. Goulburn-Murray Water and its alliance, FutureFlow, have built the world’s largest automated channel control network, replacing a 100-year-old method of irrigation delivery. Mon, 05 Jul 2010 10:10:00 GMT http://workingwithwater.filtsep.com/view/10722/modernising-irrigation-delivery-in-australia/ http://workingwithwater.filtsep.com/view/10483/precoat-filtration-diatomaceous-earth-improves-filtration-at-desalination-plant/ Precoat filtration using a bulk handling system for diatomaceous earth has been introduced at a desalination plant in the USA as part of an improved pre-treatment process prior to reverse osmosis. Wed, 23 Jun 2010 16:40:00 GMT http://workingwithwater.filtsep.com/view/10483/precoat-filtration-diatomaceous-earth-improves-filtration-at-desalination-plant/ http://workingwithwater.filtsep.com/view/10321/reducing-water-in-an-activated-sludge-tank/ A small wastewater treatment plant in Switzerland needed an economical solution to tackle the initial stages of the process. The company found the answer in space-saving FHP pumps, utilizing a total of five at the plant. Since installation, the pumps have run continuously and without fault, only requiring scheduled maintenance. Wed, 16 Jun 2010 16:31:00 GMT http://workingwithwater.filtsep.com/view/10321/reducing-water-in-an-activated-sludge-tank/ http://workingwithwater.filtsep.com/view/10319/peristaltic-solution-keeps-plant-efficient/ A US city required a pump capable of accurately dosing 15% sodium hypochlorite for their new wastewater treatment plant. Pumping this anti-bacterial chemical can cause vapour lock in some systems, but choosing a peristaltic pump helped ensure efficiency and provided a hygienic and leak-free solution. Wed, 16 Jun 2010 16:00:00 GMT http://workingwithwater.filtsep.com/view/10319/peristaltic-solution-keeps-plant-efficient/ http://workingwithwater.filtsep.com/view/10248/portable-tech-for-offshore-locations/ In this article, Anthony Bennett investigates the application of small scale desalination technologies for remote commercial, industrial, military, naval, marine and offshore applications. He examines the thermal and membrane technologies available and the sizes of equipment employed from portable systems to larger containerized or skid/frame mounted plant. Tue, 15 Jun 2010 14:46:00 GMT http://workingwithwater.filtsep.com/view/10248/portable-tech-for-offshore-locations/ http://workingwithwater.filtsep.com/view/10247/potable-water-from-sustainable-energies/ In an attempt to meet the demands of the high energy process, the ProDes project is promoting the use of renewable energy in desalination. Through research, and a focused set of activities, the project aims to educate professionals on the barriers to achieving RE-desalination, and how they can be overcome. Tue, 15 Jun 2010 14:28:00 GMT http://workingwithwater.filtsep.com/view/10247/potable-water-from-sustainable-energies/ http://workingwithwater.filtsep.com/view/10246/reducing-footprint-with-isobaric-erds/ A growing demand for optimal efficiency in desalination means the use of energy recovery devices has become common practice. Not only is this economical, it reduces the carbon footprint in the face of ever increasing plant size. Jeremy Martin from Energy Recovery Inc explains how these benefits are achieved. Tue, 15 Jun 2010 14:00:00 GMT http://workingwithwater.filtsep.com/view/10246/reducing-footprint-with-isobaric-erds/