Membrane & Separation Technology News articles from April 1999

Membrane & Separation Technology News archives from April 1999

BIOMEDICAL: Polymeric Biosensor Is Stable, Flexible.
April 19, 1999... Scientists at MiniMed, Inc. (12744 San Fernando Rd., Sylmar, CA 91342; Tel: 818/362-5958, Fax: 818/364-5849) have developed silicone-containing polyurethane/polyurea polymers for use in biosensor membranes, according to William P. Van Antwerp,...

Gambro and Baxter Establish Dialyzer JV.
April 19, 1999... Gambro AB (Box 7373, SE-103 91 Stockholm, Sweden) and Baxter Healthcare Corp. (1 Baxter Pkwy., Deerfield, IL 60015; Tel: 708/948-2000) have established a U.S.-based, joint manufacturing venture for dialyzers used to purify the blood of...

Whatman Cuts Process Times by One-Third.
April 19, 1999... Whatman's (440 Warrensville Center Rd., Cleveland, OH 44128; Tel: 216/586-5737) Mini-UniPrep syringeless filters replace syringe-coupled filtration devices and autosampler vials with a single, disposable unit. Mini-UniPrep filters, introduced...

AFFINITY MEMBRANES: Device Eliminates Need for Plasmapheresis.
April 19, 1999... Baxter Intl. (Renal Div., 1620 Waukegan Rd., McGaw Park, IL 60083; Tel: 847/473-6218) is developing a device that obviates the need for a distinct plasmapheresis step through the judicious design of an affinity hollow fiber membrane. The renal...

UltraBind Maximizes Surface Functionality.
April 19, 1999... The UltraBind affinity membrane from Pall Gelman Laboratory (600 S. Wagner Rd., Ann Arbor, MI 48103-9019; Tel: 734/665- 0651, Tel: 800/521-1520, Fax: 734/913-6114) maximizes surface functionality for proteins and nucleic acids to covalently...

REVERSE OSMOSIS: Water Tech Pumps Up Multi-Stage Line.
April 19, 1999... The Water Technologies Group of Goulds Pumps, Inc. (ITT Fluid Technology, East Bayard St., Seneca Falls, NY 13148; Tel: 315/568-2811, Fax: 315/568-7644) has added a second multi-stage reverse osmosis (RO) pump to its product line that the firm...

Tri Valley Tries RO to Cut Process Costs.
April 19, 1999... Tri Valley Growers (12667 Alcosta Blvd., P.O. Box 5580, San Ramon, CA 94583-0587; Tel: 925/327-5400) was funded by the U.S. Department of Energy (DOE) Office of Industrial Technology to design and construct a wastewater purification system...

INDUSTRY NEWS: Sepracor Finances HemaSure Expenses.
April 19, 1999... HemaSure Inc. (140 Locke Dr., Marlborough, MA 01752-1146; Tel: 508/485-6850, Fax: 508/485-6045) has closed on $2 million in equity financing with Sepracor Inc. (33 Locke Dr., Marlborough, MA 01752; Tel: 508/481-6700, Fax: 508/481- 7683), its...

Tables Turn on U.S. Filter.
April 19, 1999... U.S. Filter CEO Richard Heckmann always says he wanted his company to be the largest water company in the world: "the Walmart of water." Last month, he got his wish, but not the way many thought he would. As a turnabout from being the big...

U.S. Filter Cut Last Minute Deals.
April 19, 1999... In the days before Vivendi offered to buy it out, U.S. Filter continued its traditional role, expanding its reach with deals in other areas of the water market, including a connection with a Vivendi subsidiary. U.S. Filter and Envirogen,...

Curacao Awards Ionics $50 Million Contract.
April 19, 1999... Ionics, Inc. (65 Grove St., Watertown, MA 02172; Tel: 617/926-2500, Fax: 617/926-3404) has signed a $50 million, 10-year water supply contract with Kompania di Produkshon Di Awa i Elektrisidat Di Korsou, N.V. (K.A.E), and its holding company,...

Pall Reduces Noncore Sector.
April 19, 1999... Pall Corp. (2200 Northern Blvd., East Hills, NY 11548; Tel: 516/484-5400, Fax: 516/484-5228) is cutting its involvement in noncore technology with the sale of its worldwide well technology division to Oiltools Intl. Limited (16630 Imperial...

GAS SEPARATIONS: Ionic Oxides Allow Direct Conversion.
April 19, 1999... According to researchers at the University of Houston (4800 Calhoun Rd., Houston, TX 77204-4792; Tel: 713/743-4336), the high oxygen ion conductivity of mixed ionic oxides may enable many potential applications in the separation of oxygen from...

Distillation Joined with Facilitated Transport.
April 19, 1999... Researchers at the University of Colorado (U.C.) (Dept. of Chemical Engineering, CB Box 424, Boulder, CO 80309-0424) have determined that using facilitated transport membrane technology for the separation of ethylene from ethane will...

CMS to Reduce NOx Emissions.
April 19, 1999... Compact Membrane Systems, Inc. (325 Hampton Rd., Wilmington, DE 19803; Tel: 302/984-1762) is working to reduce NOx/hydrocarbon emissions using high-gas-flux OEA membranes. In Phase II of a project funded by a grant from the National Center for...

MICROFILTRATION: Minntech FiberFlo Gets 510(k) Clearance.
April 19, 1999... Minntech Corp. (14605 28th Ave., North Minneapolis, MN 55447; Tel: 800/328-3345, Fax: 612/553-3387) has received 510(k) clearance from the Food and Drug Administration to market FiberFlo hollow fiber in-line capsule filters for medical...

One-Step Process for Potable Treatment.
April 19, 1999... Media and Process Technology, Inc. (1155 William Pitt Way, Pittsburgh, PA 15238; Tel: 412/826-3721) says it has developed a low-cost, high-performance ceramic membrane as an economical and reliable one-step treatment process for the production...

ELECTRICALLY DRIVEN GKSS Examines Dialytic Transport.
April 19, 1999... When coupled to a life fermenter, neutralization dialysis is a means to control the pH of the fermentation medium to remove acid from dilute aqueous solutions, a notoriously difficult separation problem, concludes researchers at the GKSS...

MEMBRANE DEVELOPMENT: Porous Silicon Structures Fabricated.
April 19, 1999... Two Lawrence Livermore National Laboratory (7000 East Ave., Livermore, CA 94550-9234; Tel: 925/422-1100) scientists have found a way to fabricate porous silicon structures for use in membranes, increasing the effective silicon surface. ...

Akzo Turns on the Steam.
April 19, 1999... Akzo Nobel N.V. (28 Oehder Strasse, 42289 Wuppertal, Germany; Tel: +49 202 6099232, Fax: +49 202 6099241) has designed a steam-sterilizable synthetic polysulfone membrane, with a high degree of biocompatibility, and with separating properties...

Nitto Denko Makes Continuous Structure.
April 19, 1999... Nitto Denko (55 Nicholson Ln., San Jose, CA 95134-1366; Tel: 408/432-5400) has developed a highly permeable and more cost-efficient polyimide resin semipermeable membrane with a continuous structure. The membrane is made of a homogeneous...

INORGANICS: Porous Silica Holds Up at Wellhead.
April 19, 1999... Researchers with the University of New Mexico (UNM) (AML, 1001 University Blvd., S.E., No. 100, Albuquerque, NM 87106; Tel: 505/272-7634) and Sandia National Labs (11728 Linn Ave. N.E., Albuquerque, NM 87123-2943; Tel: 505-844-6832) have...

Navy Synthesizes Metallic Particles.
April 19, 1999... U.S. Navy (133 E. 58th St., New York, NY 10022-1236; Tel: 212/826-4653) researchers have been able to synthesize a powder of unagglomerated metallic particles at membrane interfaces, important components in the development of catalytic,...

Degremont Bioreactor Is Double the Process.
April 19, 1999... Infilco Degremont, Inc. (2924 Emerywood Pkwy., Richmond, VA 23294; Tel: 804/756-7842, Fax: 804/756-7830) BRM membrane bioreactor is based on the unique synergy of two proven processes - activated sludge biological treatment and membrane...

Nanocatalytic Perovskites Cavitate.
April 19, 1999... A simple cavitation-coupled membrane synthesis technique, says William Moser of Worcester Polytechnic Institute (Dept. of Chemical Engineering, 100 Institute Rd., Worcester, MA 01609; Tel: 508/831-5666, Fax: 508/831-5853), offers the...

ULTRAFILTRATION: Polymer Segments Covalently Bonded.
April 19, 1999... Millipore Corp. (80 Ashby Rd, Bedford, MA 01730; Tel: 781/533-6000) plans to add to its product line with microporous/ultrafiltration (UF) polysulfone copolymer membranes made from a solution of a polysulfone and a free radical polymerizable...

Increasing Pressure on Fouling.
April 19, 1999... Dong Donald Nguyen of Union Camp Corp. (1600 Valley Rd., Wayne, NJ 07470-2043; Tel: 201/628-2000) has developed a method for controlling the permeate pressure which, when combined with conventional technology, helps to reduce fouling of...

PERVAPORATION: Argonne Produces Lactate Esters.
April 19, 1999... Argonne National Laboratory (9700 S. Cass Ave., Argonne, IL 60439; Tel: 708/252-4402) has developed a process based on selective membranes that permits low-cost synthesis of high- purity ethyl lactate and other lactate esters from carbohydrate...