Membrane & Separation Technology News articles from June 2003

Membrane & Separation Technology News archives from June 2003

REVERSE OSMOSIS: MWR System Reclaims Water from Sewage.
June 1, 2003... Zeolite, a small environmental technology company based in Melbourne, Australia, has secured the rights to commercialize a patented membrane system for reclaiming water from sewage. The reclaimed water can be recycled and reused multiple times...

Animal-Powered Process Ideal for India's Villages.
June 1, 2003... Scientists from India's Central Salt & Marine Chemicals Research Institute (CSMCRI) have filed an application for an international patent to a bullock-powered desalination device that converts brackish water with total dissolved solids of up to...

ULTRAFILTRATION: High Flux Cassettes Speed Bioprocessing.
June 1, 2003... Amersham Biosciences new Kvick UF cassettes speed up bio- processing time by separating, concentrating and diafiltering biological solutions via an easy-to-use format. The crossflow cassettes incorporate macrovoid-free PES membranes arranged in...

MICROFILTRATION: Protego Provides Purity for 'Clean and Etch'.
June 1, 2003... Mykrolis Corp. has developed a point-of-use dissolved ion filter that removes low-level metal impurities from ultrapure water, organic solvents and other chemicals used in semiconductor fabrication. The Protego membrane cartridge purifies...

NANOFILTRATION: Pretreatment Reduces Seawater Hardness.
June 1, 2003... GE Osmonics' new Seasoft thin film NF elements cut seawater hardness by more than 95% and resist fouling and scale formation, to give seawater processors increased plant productivity and reduced energy requirements. Used as a pretreatment step...

Starmem Superior in Apolar Solvents.
June 1, 2003... Imperial College start-up company Membrane Extraction Technology (MET) has developed organic solvent nanofiltration (OSN), a process that uses Grace Davison's Starmem nanofiltration membranes to remove nonvolatile species and recover residual...

FUEL CELL & ED: Ceramic Electrolyzers Could Prove Economical.
June 1, 2003... Scientists at Los Alamos National Laboratory are evaluating proton-conducting ceramic membranes for use in electrolyzers. In contrast to polymer, alkaline and competing ceramic materials, the perovskite proton conducting membranes offer...

Conducting Protons With Less Platinum.
June 1, 2003... Researchers from the University of Wisconsin and Oak Ridge National Laboratory are developing nanoparticulate porous oxide electrolyte membranes (POEMs) as a "radical" alternative to polymeric proton exchange membranes for use in fuel cells....

NON-SEPARATING: Assay Patented for Prion Removal.
June 1, 2003... Bayer HealthCare LLC, Biological Products Division has patented a Western Blot assay that confirms the removal of pathogenic prion proteins during the manufacture of therapeutic proteins. The test, which allows quicker, less expensive...

MEMBRANE REACTORS: Trans Fats Slashed in Catalytic Process.
June 1, 2003... A collaboration of European researchers from the Fundacion Leia Centro de Desarrollo Tecnologico, the University of Limerick, GKSS Forschungs-zentrum, De Smet Espana SA, Bisser Oliva SA, Helados Miko SA, Lipidos Santiga SA, and the Higher...

GAS FILTRATION: Microfluor Ideal for Sterilizing Grade Air, Gas.
June 1, 2003... Cuno has introduced the Microfluor II, a hydrophobic PTFE membrane filter, for a wide range of flow rates in sterilizing grade air and gas filtration. The filter's flow enhancing construction provides exceptionally high flow rates with low...

MARKET: High Purity Hydrogen Made Cost Effectively.
June 1, 2003... According to researchers at Robert Gordon University, membrane technology should provide the most cost-effective technology for producing high purity hydrogen, an increasingly important commodity in a variety of industries including chemical...

INDUSTRY NEWS: DOE Seeks Proposals for Hydrogen R&D.
June 1, 2003... The DOE's Office of Hydrogen, Fuel Cells, and Infrastructure Technologies is issuing a solicitation regarding R&D in the hydrogen production and delivery technologies areas. The program goal is the production and delivery of hydrogen,...

India's Manufacturer Expects 100% Growth.
June 1, 2003... Permionics India Ltd., (PIL) India's first venture-financed firm and the only membrane manufacturer in the country, is aiming at 100% growth by the conclusion of the current fiscal year. The company has set a sales target of $2.5 million...

Malaysia May Begin Sewage Recycling.
June 1, 2003... Should ongoing feasibility tests prove successful, Vivendi Water has plans to start commercial production of recycled sewerage water in Malaysia using membrane technology. The French water giant, already involved in more than a dozen local...

GasCAD 3.0 Enables Smaller System Sizing.
June 1, 2003... Membrana-Charlotte has released GasCAD version 3.0, a program for sizing its Liqui-Cel membrane contactors and predicting system performance in removing oxygen and carbon dioxide from liquids. The program also provides vacuum pump sizing and...

Briefly Noted.
June 1, 2003... Zenon Environmental Inc. (Oakville, Ontario, Canada) will supply its ZeeWeed technology for the treatment of industrial wastewater at a major power plant in Poland. The contract has a value in excess of $5 million and will be a turnkey project...

CALENDAR.
June 1, 2003... August 4-5, American Membrane Technology Association Annual Symposium-"Membrane Technology Comes of Age," Westin Resort, West- minster, CO. Contact: American Membrane Technology Association, P.O. Box 769, Bonsall, CA 92003-0769; Tel:...

Zero Liquid Discharge: Using Membranes to Eliminate Waste in Industry.
June 1, 2003... By Anibal Davila, RO Product Engineer, Ionics Inc., 65 Grove Street, Watertown, MA 02458 With stricter EPA regulations on what can be sent to waste, reuse and waste reduction is critical to some industries. The use of membranes has made...

Phase 1-Ultrafiltration.
June 1, 2003... Norit UF hollow fiber membranes were chosen as pretreatment to RO. The membranes have a typical pore size of 0.05 m, which polishes the water and provides a barrier for all large microorganisms and turbidity. UF offers consistent product water...

Phase 2-Backwash.
June 1, 2003... It was decided due to the amount of coagulated organics and particulates that it would be beneficial to use a conventional pressure filter and reclaim the 10% of UF backwash water. The solids would be removed from the water via the pressure...

Phase 3-RO 1st and 2nd pass.
June 1, 2003... Two RO trains were designed to treat the UF product water. Each train consists of two skids that comprise a double pass RO. The first pass design consists of a two staged 13x7 array. Each pressure vessel contains 6 elements for a total of 120...

Phase 5-EDI.
June 1, 2003... EDI is a continuous process for producing high-purity water using ion-exchange membranes, resins and electricity. Direct current is the driving force for removing ionized and ionizable species from the feed stream, while continuously...