Membranes

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New RO membranes tested on Red Sea, Egypt

Speciality chemicals company LANXESS has launched its Lewabrane seawater reverse osmosis membranes following testing on the Red Sea in Egypt. Deutsche MeerwasserEntsalzung (DME) GmbH, a Duisburg-based company were contracted by LANXESS to conduct the tests. The Lewabrane RO S400 HR elements underwent testing in Sharm El-Sheik, Egypt in a commercial, industrial-scale desalination plant, and an extensive set of conclusive data has been collected during this time. Three different elements with high rejection rates (HR) are currently available: Lewabrane RO S400 HR, S440 HR and S085 HR 4040.

www.lewabrane.com


Membranes companies join forces

Three names in the membrane business: Rochem, Sepro and APTwater have re-launched under one new consolidated brand name – ULTURA. ULTRURA's focus markets will include rare earths and mining, treatment of the complex cocktails of leachate from landfill sites, on-vessel gray/black water treatment and desalination for delicate marine ecosystems, electro-coating for the automotive industry, food and dairy and advanced process separations for life sciences. The three companies combining means the group has 2500+ installations worldwide, an established presence in the Americas and EMEA.

www.ulturawater.com


Submerged UF membranes for MBR

Membrane technologies company QUA has launched the EnviQ™ submerged ultrafiltration membranes for wastewater treatment and recycle applications as part of the Membrane Bioreactor (MBR) process. EnviQ's includes features such as reverse diffusion and specially designed air diffusers. QUA said EnviQ significantly lowers the total installed cost of biological wastewater treatment and recycle systems as compared to conventional activated sludge processes with tertiary filtration. EnviQ is currently offered in three configurations: E-8C, 16C and 32C, each having surface area of 80, 160 and 320 m2, respectively.

www.quagroup.com


Hollow fibre UF used to retrofit Del Rio plant

Koch Membrane Systems has started-up the initial phase of its retrofit to the ultrafiltration (UF) system at the City of Del Rio's water treatment plant located in Del Rio, Texas. The full retrofit project is scheduled to be completed over the course of a year. In 2003, the city commissioned a new Aquasource brand UF membrane filtration plant in response to the Interim Enhanced Surface Water Treatment Rule (IESWTR) and recommendations by the Texas Commission of Environmental Quality (TCEQ). By 2011, the plant's original UF membrane cartridges were showing signs of wear, requiring frequent fiber repairs. Following successful testing of Koch Membrane Systems' TARGA II UF membranes, it was determined that a retrofit could be implemented with minimal modification to the existing system.

www.kochmembrane.com

 

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TODAY'S HEADLINES

Online Zeta Potential Measurement Provides Water Treatment Control, Cost Reduction

Online zeta potential measurements can provide real-time water quality monitoring and support effective process control under all circumstances. The value of online measurement is illustrated through the experiences of Aurora Water, which is using zeta potential at one facility as both an offline and online tool for monitoring and controlling water treatment processes.

Pacific Institute issues helpful analysis of CA water bond to better inform Nov voters

Voters on CA's November ballot will be asked whether to approve Proposition 1, the Water Quality, Supply and Infrastructure Improvement Act. As such, the Pacific Institute has released an objective new report that helps voters untangle the complexities of the water bond measure.

Research offers unique insight into monitoring groundwater at Ohio fracking sites

A new research project at the University of Cincinnati is taking a groundbreaking approach to monitoring groundwater resources near fracking sites in the state of Ohio.

EPA announces preliminary determination to regulate strontium in drinking water

EPA has announced that it has officially made a preliminary determination to regulate strontium in U.S. drinking water. Strontium is a naturally occurring element that, at elevated levels, can impact bone strength in individuals who do not consume enough calcium.

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