Membrane & Separation Technology News articles from July 2001

Membrane & Separation Technology News archives from July 2001

REVERSE OSMOSIS: Pretreatment Enhances Seawater Desalination.
July 1, 2001... Large ID (interior diameter) capillary membranes can improve the quality of surface seawater feed to RO systems, improving the reliability and economics of desalting, according to Hydranautics Researchers Mark Wilf and Manfred Schierach. ...

ULTRAFILTRATION: Alumina Treats Wood Wastewaters.
July 1, 2001... Finnish scientists have discovered that ceramic membranes modified with titania or magnesia removed suspended solids and turbidity almost totally from biologically treated wastewater at a Finnish board mill. The alumina membranes, with pore...

MICROFILTRATION: Blackbody UV Creates Barrier.
July 1, 2001... Pall Corp. has integrated pulsed-blackbody ultraviolet (PBUV) technology into its Aria membrane systems to ensure double barrier pathogen protection in the expandable drinking water plants. The multiple barrier system protects municipal...

Microbiology Tools Target Beverages.
July 1, 2001... Millipore has introduced a suite of pre-sterilized MF tools for improving bioburden and microbial limits testing in drinking water analysis and in the beer and wine, fruit and juices, soft drink, and bottled water industries. The Microfil...

NON-SEPARATING: Grafted PVDF Improves Battery Membrane.
July 1, 2001... Scientists at the National University of Singapore have fabricated copolymers with polyvinylidenefluoride (PDVF) main chains and plasticizing polyethyleneglycol monomethacrylate (PEGMA) side chains to produce nanoporous films for use in...

BIOMEDICAL & BIOMEMBRANES Apheresis Tested for AMD Patients.
July 1, 2001... Occulogix Corp. is enrolling 180 patients in a multi-center study to examine the effectiveness of rheopheresis, a membrane technology that filters LDL cholesterol and other heavy molecular weight substances from the blood, and may help treat...

ePTFE Repairs Septal Defects.
July 1, 2001... W. L. Gore has developed a biocompatible membrane patch that repairs congenital heart defects with a minimally invasive implant to eliminate open-heart surgery. Gore announced the launch of the Helex septal occluder for countries outside...

Membrane Stratifies Pore Structure.
July 1, 2001... Bio Med Sciences, Inc., manufacturers of Silon artificial skin, has developed a stratified PTFE or PTFE/silicone IPN membrane in which the pore architecture of each layer may be discretely controlled. The membrane, granted U.S. Patent...

GAS SEPARATION: Perovskite Transports at Low Temp.
July 1, 2001... Praxair has developed a perovskite membrane that selectively transports oxygen ions at relatively low temperature. With flux detected at about 600 C., the membranes perform under considerably cooler conditions than conventional separators,...

Interdiffusion Enhances Alloy Performance.
July 1, 2001... Researchers for Walter Juda Associates, Inc. have discoverd that hydrogen selective palladium-alloy membranes made by metals interdiffusion offer improvements in fabrication ease, cost, and performance, particularly for the thinnest films, when...

Polyimides Crosslinked at Room Temperature.
July 1, 2001... Scientists from the Institute of Materials Research and Engineering, the Environmental Technology Institute, and the National University of Singapore have developed an extremely simple room-temperature chemical cross-linking technology for the...

Silver Doped Nafion Separates Olefins.
July 1, 2001... Researchers from King Mongkut's University of Technology (Bangkok, Thailand), Colorado School of Mines (Golden, CO) and the University of Colorado (Boulder, CO) have found that facilitated transport membranes have potential as an alternative...

PERVAPORATION: VOCs Removed from Surfactant Solutions.
July 1, 2001... A research team from the EPA's National Risk Management Research Laboratory has found that pervaporation can be used to separate VOCs from surfactant-laden solutions to permit surfactant recycling. The removal of VOCs from aqueous solutions...

ADSORBERS: Bind/Elute Process Purifies Nucleic Acids.
July 1, 2001... Sartorius has developed weakly basic anion exchange membranes the recover endotoxin-free nucleic acid solutions used in a bind and elute procedure suitable for large- and small-scale treatments. The increasing use of nucleic acids in animal...

MATERIALS: Plasma Provides Permanent Hydrophilicity.
July 1, 2001... Researchers from Advanced Energy, Inc. (Fort Collins, CO), Colorado State University (Fort Collins, CO) and the University of Washington (Seattle, WA) have developed a plasma treatment that renders asymmetric polysulfone membranes permanently...

INDUSTRY NEWS: Covanta Project Largest RO Desal in U.S.
July 1, 2001... Covanta Energy Corp. has been given the go ahead from Poseidon Resources to build and operate a 25 million gallon per day RO desalination potable water plant for Tampa Bay Water. Under an agreement with Poseidon, developers of water supply...

HYDRAcap Awarded NSF Certification.
July 1, 2001... Hydranautics' HYDRAcap capillary UF membrane has been tested and certified by NSF International, receiving an ANSI/NSF Standard 61 Certification, which establishes minimum requirements for the materials used in drinking water systems. The...

deCode Picks MultiScreen.
July 1, 2001... deCODE Genetics has selected Millipore's MultiScreen384 platform to purify DNA samples prior to sequencing. MultiScreen plates are membrane-bottomed 384-well plates with working well volumes of 10L to 100 L and a choice of eight different...

Green Grants Fund Membrane Technology.
July 1, 2001... The state of Pennsylvania has awarded more than $2 million in "Growing Greener" grants to develop water- and sewer- infrastructure technology for 22 organizations in 21 counties. Among the funded projects are six $100,000 installations of...

B&V Wins Award for Scottsdale Campus.
July 1, 2001... Black & Veatch (Kansas City, MO) has won the Grand Prize Award for Design for the City of Scottsdale's Water Campus in the American Academy of Environmental Engineers (Annapolis, MD) annual Excellence in Environmental Engineering awards...

Baxter Plant Wins Shingo Prize.
July 1, 2001... Baxter Healthcare Corp.'s Mountain Home, Arkansas plant, which manufactures dialyzers, IV filters, and blood/plasma separation components including leukofilters, has received the 2001 Shingo Prize for Excellence in Manufacturing. The award was...

Briefly Noted:.
July 1, 2001... *ESCO Acquires Italian MF Co. ESCO Technologies Inc. (St. Louis, MO) has acquired BEA Filtri S.p.A (Milan, Italy) in a cash purchase for an undisclosed amount. BEA, suppliers of filtration products to the pharmaceutical, food and beverage,...

Personnel Updates.
July 1, 2001... *Osmonics Picks VP for POE/POU Products. Richard Elliott has joined Osmonics (Minnetonka, MN) as vice president and general manager of the Household Water Group. The former president of EcoWater Systems Inc. (St. Paul, MN) will be responsible...

CALENDAR.
July 1, 2001... September 9-13, 2001, Membrane Technology for Wastewater Reclamation and Reuse, Tel-Aviv, Israel. Contact: MEKOROT Water Co., 9 Lincoln St., Tel-Aviv 61201, Israel; Tel: +972-3-623-0631, Fax: +972-3-623-0672; Email: abik@mekorot.co.il. ...

INDUSTRY INSIGHT: Design of Membrane Systems for Atypical Processes-Concept to Startup.
July 1, 2001... C. William Davis, P.E. (Bill), President, Separation Technology, Inc., 310 Bryant Blvd., P. O. Box 36246, Rock Hill, SC 29732 Membrane technology was initially developed to produce potable water from seawater or brackish water. That task...