Membrane & Separation Technology News articles from May 2004

Membrane & Separation Technology News archives from May 2004

MATERIALS: SAMMS Adsorb Mercury, Toxins.
May 1, 2004... Scientists at the Department of Energy's Pacific Northwest National Laboratory (PNNL) have developed a novel adsorbent that can be engineered as a membrane for the removal of mercury and other toxic substances from coal-burning power plant...

Nanoscaffold Separates Chiral Compounds.
May 1, 2004... Evolved Nanomaterial Sciences, Inc., a three-person spinoff from Tufts University has developed a nanoscale biopolymer material for separating chiral molecules into useful enantiomers. The nanoscaffolding also could find applications in...

MICROFILTRATION: Housing Helps Clarification.
May 1, 2004... Millipores new Millistak+ 316L stainless steel filter housings allow users to compress multiple stages of mammalian cell culture clarification into one efficient, cost saving step. Available in a variety of sizes, Millistak+ housings are...

BIOMEDICAL & BIOMEMBRANE Aerogel Better Lipd Substrate.
May 1, 2004... Lightweight porous aerogels developed by scientists at the University of California-Davis, University of California-Berkeley, Stanford University, IBM Almaden Research Center and Lawrence Livermore National Laboratory may provide an ideal...

Aethlon Adapting Purifier for Biodefense.
May 1, 2004... Aethlon Medical, Inc. has entered into a cooperative agreement with the National Center for Biodefense (NCBD) at George Mason University to develop its hollow fiber membrane Hemopurifiers for treating military personnel exposed to infectious...

Biodegradable Material "Creates Space" for GTR.
May 1, 2004... Inions new biodegradeable membrane is the first guided tissue regeneration (GTR) membrane that is soft when applied but becomes rigid in its original position, thus improving the space maintenance characteristics of the product. This space...

MEMBRANE SENSORS: Hydrophobic Polymer Helps Detect Oil Leaks.
May 1, 2004... Inventors at Cranfield University have patented a method and membrane apparatus for sensing hydrophobic liquids such as oils in situ. The device, which employs an optical method capable of detecting and potentially identifying the liquid, is...

Depolox Adds Measurement Capabilities.
May 1, 2004... USFilter Wallace & Tiernan Products has added new measurement capabilities to its membrane probe-based Depolox 3 Plus Residual Analyzer, a device used to continuously measure free and total chlorine in drinking water applications. With the...

MICROARRAYS: Whole Genome System Sensitive, Compatible.
May 1, 2004... Applied Biosystems has introduced its Expression Array System, which combines highly sensitive gene detection capabilities with easy integration to a wide range of the companys complementary gene expression products. The array, Applied...

ELECTROCHEMICAL: MEA Operates at High Temps.
May 1, 2004... Using PBI as a base, Celanese Fuel Cells has developed membrane technology for producing a durable, temperature-resistant membrane electrode assembly (MEA) for PEM fuel cell systems, marketed under the brand name Celtec. PEMEAS, Celaneses fuel...

INDUSTRY NEWS: Water Powering China's Growth.
May 1, 2004... Growing at an estimated 15% annually, the Chinese membrane market is expected to top $2.4 billion by 2015. The development of membrane technology is on the list of 10th Five-Year Plan (2001- 2005) programs formulated by the Ministry of Science...

Drinking water.
May 1, 2004... * At the South China University of Technologys Mechanical and Chemical Engineering Colleges (Guangzhou), researchers are investigating the purification of tap water using a diatomite gradient ceramic membrane with an average pore size of 1.5m....

Wastewater.
May 1, 2004... * Beijing Municipal Research Academy of Environment Protection, in collaboration with C&E Associates Pacific Rim Resources, has successfully tested VSEP technology in combination with DS-5 NF membranes for treating wool wastewater. At...

Gas separation.
May 1, 2004... * A research team from the Institute of Polymer Science at Zhejiang University (Hangzhou) is investigating hydrophobic polypropylene hollow fiber membrane contactors for the separation of CO2 from CO2/nitrogen mixtures using monoethanolamine,...

Industrial Processes.
May 1, 2004... * Nanjing University of Technology membrane scientists are studying fouling resistant ceramic membranes for filtering bovine colostrums. Alumina membranes with pore sizes of 0.2m, 0.5m and 0.8m were tested. The researchers found that measured...

Materials.
May 1, 2004... * At Dalian Universitys Department of Polymer Material and Science, researchers have prepared UF membranes from polyphthalazone ether sulfone ketone (PPESK) polymer, using N- methy-2-pyrrolidone as the solvent and ethylene dimethyl ether as an...

GE Completes Amersham Acquisition.
May 1, 2004... General Electric Co. has acquired all of the outstanding shares of Amersham plc, completing its acquisition of the life sciences firm and manufacturer of membranes and membrane systems. Together with GE Medical Systems, the combined $14 billion...

Rensselaer Receives PBI Polymer.
May 1, 2004... Celanese AG recently delivered nearly 200 pounds of the monomer polybenzimidazole (PBI) to the fuel cell research group at Rensselaer Polytechnic Institute. Rensselaers Center for Polymer Synthesis, headed by chemistry professor Brian...

Whatman, FDA Target Food Pathogens.
May 1, 2004... Membrane manufacturer Whatman Inc. is entering a joint two-year Cooperative Research and Development Agreement (CRADA) project with the U.S. FDA to devise a method for detecting food-borne pathogens using size-exclusion filtration in...

Proposals Sought for Concentrate Disposal.
May 1, 2004... The WateReuse Foundation has released Requests for Proposals (RFPs) on a series of projects addressing the disposal of concentrate from advanced water and wastewater treatment processes, such as membrane filtration, in an economical and...

Briefly Noted:.
May 1, 2004... * United Envirotech, a China-based water treatment business that boasts low-cost access to advanced membrane technology, is offering 63.8 million IPO shares at 47 cents apiece. The eighth water treatment company to list on the Singapore...

CALENDAR.
May 1, 2004... June 13-17, AWWA 2004 Conference and Exposition, Orange County Convention Center, Orlando, FL. Contact: American Water Works Association, 6666 W. Quincy Ave., Denver, CO 80235; Tel: 800/926- 7337 or 303/795-2114, Fax: 303/347-0804 July...

INDUSTRY INSIGHT Waste Treatment with Tubular Membranes.
May 1, 2004... By Peter S. Cartwright, President, Cartwright Consulting Co., 8324 16th Ave. S., Minneapolis, MN 55425-1742; Tel: 612/854-4911, Fax: 612/854-6964 and Hans Schwantje, Senior Process Engineer, Acuity Specialty Products, Inc., 4401 Northside Pkwy,...

Technology Review.
May 1, 2004... Membrane technologies are among the most versatile with regard to their ability to effectively remove the widest range of contaminants at the lowest cost. Simply put, these technologies are continuous filters. The form of contaminants removed...

Case History.
May 1, 2004... Acuity Specialty Products, Inc. produces a wide variety of products and generates a wastewater stream high in COD (30,000mg/L) and suspended solids (1%) from washdown and other cleaning operation. This wastewater is collected daily, tested and...

Applications Test.
May 1, 2004... G A membrane technology test unit was shipped to the ZEP Waste Treatment Facility along with the following test membranes (Table 1). Table 1 Tubular Membranes Utilized in the Test Membrane...

Test Results.
May 1, 2004... All membrane elements in this test easily met the requirement that the phosphorus concentration in the permeate stream be less than 10ppm. These results confirm the fact that 98%-99% of the phosphorus is in a suspended solids form with a...

Pilot Testing.
May 1, 2004... Based on the results of the applications test, a decision was made to pursue testing with products made by Company B (highest specific flux). Accordingly, we installed two modules, one with the same membrane as previously tested and one with a...

Conclusions.
May 1, 2004... As a result of this membrane evaluation program, Acuity Specialty Products, Inc. will be installing a treatment system utilizing 44 full-sized modules with Company Bs FPA03 membrane. This is a tighter membrane (about 0.0005m), which has...