Membrane & Separation Technology News articles from February 2004

Membrane & Separation Technology News archives from February 2004

REVERSE OSMOSIS: Systems Configured for Power Plants.
February 1, 2004... USFilter has introduced a new line of configured systems for the power industry including RO, MF and EDI that minimize customization, installation and startup expenses. The PowerMax Series equipment provides a reliable, cost-effective way to...

ULTRAFILTRATION: TFF Purifies Antirabies Immunoglobulins.
February 1, 2004... Using advanced purification technology from Pall Corp., Thailand's Red Cross Society has increased both production and purity of Equine Antirabies Immunoglobulins (ERIG) at Queen Saovabha Memorial Institute (QSMI), the manufacturing facility of...

MICROFILTRATION: Adsorption Mechanism Reduces Wafer Defects.
February 1, 2004... Mykrolis Corp. has introduced a surface modified ultra-high molecular weight polyethylene (UPE) membrane designed to reduce on-wafer defects by removing particles and microbubbles in advanced photolithography applications. With 0.02m...

Prefilters Extend Final Filter Life.
February 1, 2004... Millipore Corp. has introduced a high-efficiency prefilter for assisting in microbial management in wine and bottled water manufacturing. The Polygard CE prefilter is optimized for maximum colloid removal in beverage applications, offering high...

GAS SEPARATION: Structure Key to Sulfur Resistance.
February 1, 2004... A research team in the Office of Science and Technology at DOE's National Energy Technology Laboratory (NETL) is evaluating composite palladium copper (Pd-Cu) membranes that selectively remove hydrogen from mixed-gas streams while remaining...

BIOMEDICAL & BIOMEMBRANES: Lipid-Coated Beads Simulate Cell Surfaces.
February 1, 2004... Microscopic glass beads coated with protein-receptor-studded lipid membranes similar to the surface of actual cells could offer a sensitive assay material for protein drug candidates, or a responsive detection system for viruses or protein...

MEMBRANE SENSORS: Chambered Cells Detect Novel Biological Agents.
February 1, 2004... Chemists at Vanderbilt University have developed a four-channel microphysiometer that can monitor the metabolism of living cells in near real time. The device, a modification of the commercial Cytosensor, has the ability to analyze and defend...

Sure-Tension Improves DO Monitoring.
February 1, 2004... In-Situ, Inc. has introduced new Sure-Tension membranes for use with its Dissolved Oxygen (DO) sensor on the Multi-Parameter TROLL 9000 water quality probe. The pre-tensioned, screw-on easy-to-use membrane cap features uniform, constant...

ELECTROCHEMICAL: Recovering Antifreeze More Efficiently.
February 1, 2004... Through a collaborative agreement with EET Corp., Fleetguard Inc. has become the first coolant/chemical supplier in the industry to offer recycled coolant in its line of heavy-duty antifreeze products. The high quality recycled product is...

NONSEPARATING: 'Smart' Fabric Based on Brownian Motion.
February 1, 2004... At November's i-wear fashion show, part of European Science and Technology Week, organizers presented the latest in smart garments, including the Diaplex-based "advanced sailing suit" developed for a transatlantic racer. Mitsubishi...

MATERIALS: Micromolding Expands Materials Choices.
February 1, 2004... Scientists from the University of Twente's Membrane Technology Group have devised a micromolding process, based on polymer phase separation, that extends the range of materials for microfabrication. It can be used to introduce porosity in the...

INDUSTRY NEWS: Demand for Flu Assays Reaches Record High.
February 1, 2004... This winter, Maryland-based Becton Dickinson (BD) employees have been working double shifts and pulling weekend duty to meet the unprecedented demand for membrane-based flu tests, according to an article in the Baltimore Sun. Normally,...

PWT Expanding Operations.
February 1, 2004... Pentair Inc's wholly owned Indian subsidiary Pentair Water Treatment Pvt. Ltd. (PWT) will upgrade its Goa manufacturing plant with an investment of $1 million. PWT India, which manufactures residential RO and UF systems, membrane housings,...

Gambro Restructuring Dialyzer Production.
February 1, 2004... As a further step to focus on synthetic membrane dialyzers, Gambro will close two non-synthetic dialyzer plants, one in Germany and one in Japan, during 2004. The plants are part of Gambro Renal Products business and have a total of about 220...

Award-Winning Plant Starts Up.
February 1, 2004... The Chestnut Avenue Water Works (CAWW) extension project for the Public Utilities Board of Singapore is now online. The 72-mgd plant is the largest potable water treatment facility in the world incorporating membrane filtration. Black &...

Briefly Noted:.
February 1, 2004... General Electric (Trevose, PA) and Pall Corp. (East Hills, NY) have entered an agreement under which Pall's high MF/UF technologies will be integrated with GE Water Technologies' RO/NF systems and services to provide total water management...

CALENDAR.
February 1, 2004... March 22-23, IDA Workshop, "The Importance of Pretreatment in Reverse Osmosis Desalination," Tampa, FL. Contact: International Desalination Association, P.O. Box 387, Topsfield, MA 01983; Tel: 978/887-0410, Fax: 978/887-0411, email:...

INDUSTRY INSIGHT: Development and Applications of Electrospun Membranes.
February 1, 2004... By Heidi L. Schreuder-Gibson, John E. Walker, Walter Yeomans, Robert Stote, Materials Sciences Team, U.S. Army Natick Soldier Center, AMSB-RSS-MS, Natick, MA 01760-5020. Military, firefighter, law enforcement and medical personnel require...

Sample Preparation.
February 1, 2004... Various electospun membranes have been prepared by charge induction of polymer solutions. A positively charged electrode is submerged in a pipette filled with a solution of polymer. In this configuration, charged fibers are easily collected...

Results.
February 1, 2004... Enzyme Activity. Differences in the reaction rates of neat and modified membranes are summarized in Table 1. The apparent reactivity of neat OPAA is lowered by 30X upon incorporation into the Pellethane microfiber membrane. The modified...

Conclusions.
February 1, 2004... Direct incorporation of reactive enzymes into the polymer matrix of fabric coatings resulted in a 12-fold drop in enzyme activity, while enzymes in electrospun fibers showed a 3-fold drop in activity against chemical simulants. In the case of...