Membrane & Separation Technology News articles from April 2004

Membrane & Separation Technology News archives from April 2004

REVERSE OSMOSIS: Three-Channel Flow, Higher Flux.
April 1, 2004... Inventors at DesalNATE, Inc. have developed RO technology that uses 18-inch diameter DesalNATE Magnum elements, manufactured by Koch, instead of standard 8-inch modules in a process that does not use the conventional brine seal between membrane...

MICROFILTRATION: Plants Simplify Water Treatment.
April 1, 2004... USFilter is launching a number of new products at this years American Water Works Association spring conference in Baltimore, FL. Introductions include three pre-engineered, packaged membrane plants: an MF system for treating drinking water, an...

Pall Introduces New Biotech Products at INTERPHEX.
April 1, 2004... Pall launched six new products at INTERPHEX to improve efficiency and quality of biopharmaceutical manufacturing. The new Supor EKV 0.2m sterilizing grade filter removes contaminants from buffer solutions, tissue culture media and other...

Virus Filter Added to Opticap Line.
April 1, 2004... Millipores Opticap XL and XLT disposable capsule filters are now available with the companys Viresolve Normal Flow Parvovirus (NFP) membrane for rapid and dependable viral clearance from recombinant or human plasma sources. Viresolve NFP...

Deep Plates Offer Solvent Compatibility.
April 1, 2004... Millipores new chemically compatible 96-well plates feature 2 mL wells for maximum assay versatility and broad solvent compatibility for demanding assay conditions. The MultiScreen Deep Well Solvinert plates are available with a choice of high...

Tri-Layer Polysep II Protects Final Filters.
April 1, 2004... Millipores new Polysep II media is manufactured with a triple layer membrane design that improves biotech process efficiency and extends the lifetime of expensive final filters. Offering high retention, flow rate and throughput, the three-layer...

ELECTROCHEMICAL: Observing Unsupported Gold Nanotube Catalysts.
April 1, 2004... Researchers at the University of Wisconsin have developed a membrane reactor that allows them to examine gold catalysts used for the oxidation of CO to CO2 stripped of their conventional supports. Produced by conventional methods, hydrogen...

GAS SEPARATION: DDR Zeolites Separate CO2.
April 1, 2004... Researchers at NGK Insulators have developed zeolite membranes that exhibit a molecular sieving effect via nano-size micropores. Using the new product, NGK has successfully isolated carbon dioxide from a mixture of methane and carbon dioxide....

Expanded Plant Meets Revamp Guarantees.
April 1, 2004... Using UOPs Separex technology, Pakistans Oil and Gas Development Company Limited (OGDCL) has successfully started up its newly expanded natural gas membrane plant in Qadirpur. Since its revamp, the plant has met all of UOPs performance...

BIOMEDICAL & BIOMEMBRANE: Bioresorbable Barrier For Post-Oophorectomy.
April 1, 2004... According to a Johns Hopkins study, a quilted barrier made from bioresorbable hyaluronate-carboxymethylcellulose (HA-CMC) membrane placed over the surgical site following ovarian tumor removal may reduce pelvic adhesion formation. Details on...

MEMBRANE CHROMATOGRAPHY: Complementary Methods Remove Viruses.
April 1, 2004... Pall Corp. and collaborators from BioMarin Pharmaceutical Inc. have developed a dual membrane process that improves the safety and economy of protein purification. The method, which combines Mustang Q membrane chromatography with Ultipor virus...

MICROARRAYS: High-Throughput Protein Analysis.
April 1, 2004... Substrates for protein microarray analysis must provide stable attachment of array elements, high signal to noise ratio with low background signals, homogeneous surface chemistry and high-quality data. While glass (silicon dioxide) is the most...

MEMBRANE BIOREACTORS: Business Booming in Wastewater Treatment.
April 1, 2004... In commercial use for little more than a decade, membrane bioreactor (MBR) technology, a combination of MF or UF membrane filtration and biological degradation, is beginning to realize its market potential in wastewater treatment and recycling...

INDUSTRY NEWS: Study of Emerging Chemical Contaminants.
April 1, 2004... The EPA has awarded Orange County Water District (OCWD) $299,697 to conduct research on the ability of RO membranes to remove new chemicals of concern: endocrine disrupting compounds, such as 17b- Estradiol; pharmaceutically active compounds,...

Airlines to Install Tank Inerting.
April 1, 2004... More than seven years after a fuel tank explosion brought down TWA Flight 800, federal officials will order airlines to install membrane-based inerting systems that reduce potentially hazardous flammable vapors in the tanks of 3,800 U.S. jets....

Acrodisc Certified for Zymark Robotic Systems.
April 1, 2004... Pall Corp.s Acrodisc PSF syringe filters have been granted Caliper Life Sciences exclusive Automation Certification. Acrodisc PSF is the only syringe filter Caliper has certified for its automated lab systems. Calipers 730 Zymark robotics...

Briefly Noted.
April 1, 2004... * Celgard, Inc. (Charlotte, NC) will supply its Liqui-Cel membrane contactors for the deoxygenation of water at a thin film transistor (TFT) plant in China. The 10 x 28 contactors will be installed for removing dissolved oxygen from saturation...

CORRECTION.
April 1, 2004... In the March issue of MST, the product name and all of the contact information were omitted from the Industry Insight article "Unique Metrology Tool Aids QC of Membrane Filters." The tactile pressure sensor film (TPSF) mentioned in the paper...

CALENDAR.
April 1, 2004... May 23-28, Advanced Membrane Technology II, Irsee, Germany. Contact: Dr. Norman N. Li, Conference Chairman, NL Chemical Technology, Inc., Mt. Prospect, IL; Fax: 847/398-7278; e-mail: NLChem@aol.com June 13-17, AWWA 2004 Conference and...

INDUSTRY INSIGHT: Bioreactor Technology for Sewage Treatment in the UK.
April 1, 2004... By Simon Judd, Water Sciences, Cranfield University, UK. In the UK, as in other countries, large-scale municipal wastewater treatment is largely based on a two-stage process comprising primary sedimentation followed by biological treatment...

Process optimization.
April 1, 2004... While the ever-increasing rigor of environmental legislation ensures that the growth of MBRs will continue, their efficacy and widespread application is to some extent constrained by two related parameters, the cost of the membrane module, and...

Conclusions.
April 1, 2004... In marginal cases, actual absolute cost benefit may be determined by the interrelationship between the concomitant factors (a), (b), and (d). It is generally known that increasing the aeration rate and/or CFV increases the flux due to the...