Environment & Pollution - Working With Water

Latest News

Kuala Lumpur benefits from Hydro vortex separators
Stormwater technology from Hydro International is helping to clean up Kuala Lumpur’s river system.
Bioretention system solves stormwater problem
One of the first UK installations of the new Hydro Filterra™ bioretention and bio filtration system has brought attractive landscaping and stringent stormwater quality control to a sensitive location in Barry, South Wales.
Contech buys Imbrium
West Chester, Ohio-based Contech Engineered Solutions has bought the Imbrium Systems Group from clean technology company Monteco Ltd.
WEBINAR ANNOUNCEMENT: Introducing a new treatment solution for wastewater reuse
Filtration+Separation, in association with Koch Membrane Systems, is hosting a free webinar on Thursday 16th May (10.00 EST, 15.00 BST, 16.00 CET). This webinar will discuss the global wastewater reuse market and will explain how a new treatment solution can improve system recovery rates and lower life-cycle costs.
Hydro introduces StormTrain for surface water treatment
Hydro International has launched The Hydro StormTrain Series, a comprehensive toolbox of surface water treatment devices in anticipation of the growing need to remove silts, sediments and other pollutants from stormwater runoff.

Research Trends

Effect-based water quality trigger values for toxicity of mixed organic micropollutants
Organic micropollutants are omnipresent in water, and although they typically occur at very low concentrations, they can be transformed into complex mixtures of unknown composition. This study proposes a new approach for the tentative derivation of effect-based water quality trigger values for baseline cytotoxicity.
Forward osmosis desalination of brackish groundwater: integrating nanofiltration to meet fertigation water quality
Nanofiltration is assessed as an integrated process to fertiliser drawn forward osmosis (FDFO) desalination, to reduce the nutrient concentrations in the final product water. This would allow direct use of the product water for fertigation – the application of fertilisers via irrigation – without further dilution.
Microbiology-based approach to assess biological stability in drinking water distribution networks
A multi-parametric approach is used to monitor biological stability in drinking water from a non-chlorinated distribution system in Switzerland. The method covers different aspects of microbial water quality, including microbial growth potential, abundance, and community composition.
Desalination of industrial saline water with conventional and bipolar membrane electrodialysis
Electrodialysis-based technologies were used to treat an industrial saline water, with both electrodialysis (ED) and bipolar membrane electrodialysis (EDBM) shown to be technologically feasible to desalinate the saline water at the lab scale. The ED pilot plant was operated in a stable way during a long-term feed-and-bleed experiment.
Toxicity of ionic liquid cations and anions towards activated sewage sludge organisms
The influence of ionic liquids on activated sewage sludge communities has been systematically investigated. Ionic liquids substituted with short alkyl chains and polar anions showed a low inhibitory potential, but this was greater for highly hydrophobic ionic cations and anions. Even so, the results suggest that ionic liquids are unlikely to reduce the performance of domestic wastewater treatment plants.

Webinars

Wastewater Reuse: New treatment solution with PURON® HF modules
Filtration+Separation, in association with Koch Membrane Systems, is hosting a new webinar that will introduce PURON® HF modules - a new treatment solution for wastewater reuse.
Advanced Conversion: Maximising the Potential for Energy from Waste
One of the most readily-available and viable solutions to help address the challenge of our growing energy needs is Energy-from-Waste (EfW) – which has the potential to take a multitude of waste streams (such as municipal solid waste) and convert them into energy. We look at how modern techniques can make the technology more efficient.
What does the future hold for renewable energy in the Middle East?
We are pleased to announce a new webinar from Renewable Energy Focus in association with the World Future Energy Summit, which addresses the future for renewable energy in the Middle East.
Filtration+Separation Webinar with Elmarco Inc.
The new Filtration+Separation webinar, in association with Elmarco, is free to access. Looking at nanofibers, the webinar will look at the nanofiber formation process, the benefits of nanofibers and the most suitable markets for their use.

Podcasts

July/August issue of Filtration+Separation
Mark Holmes introduces the July/August issue of Filtration+Separation.
Podcast introducing the new issue of Desalination
Claire Young introduces the latest issue of Desalination magazine, the biannual supplement to Filtration + Separation and sister publication, World Pumps.
Ofwat's Final Determination
Claire Young presents an overview of Ofwat's Final Determination process and what it means to you, the customer.
Editorial podcast - 15th January 2010
Claire Young presents a round-up of this weeks news from Working with Water

Features

Wastewater treatment: Tackling phosphate removal
Sand filters have been employed on the East Anglian Broads in the United Kingdom to reduce the impact of phosphates in sewage discharge. Filtration+Separation looks at achievements in managing eutrophication, and understanding its complex causes, and the implications for other wetlands in the UK and Europe.
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.
SWRO desalination: Long-term 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.
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.

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