Membrane & Separation Technology News articles from February 2005

Membrane & Separation Technology News archives from February 2005

ULTRAFILTRATION: Composites Recover Corn Proteins.
February 1, 2005... Membrane Technology and Research (MTR) scientists have patented a membrane method for treating byproduct corn processing streams to concentrate valuable proteins for recovery and reuse. The membranes employed in concentrating the solutions are...

BIOMEDICAL, BIOMEMBRANE: Layer Permits Permeation, Prevents Delamination.
February 1, 2005... Nanogen, Inc. has patented a process for fabricating a protective porous membrane layer on a microchip. The membrane is covalently bonded to the microchips electrodes, which prevents the permeation layer from separating or delaminating from the...

Gradiflow Sorts Sperm for IVF Treatment.
February 1, 2005... Life Therapeutics has turned its Gradiflow technology to sorting sperm in a mechanized procedure that could help infertile men to become fathers. Gradiflow is a fully scaleable membrane-based electrophoretic separation process that uses a...

MEMBRANE ADSORBERS: AdenoPACK Purifies Viruses Faster.
February 1, 2005... Sartorius AG subsidiary Vivascience has launched the Vivapure AdenoPACK 100, a ready-to-use kit for adenovirus purification that employs ion exchange membranes incorporated into syringe filter units. The kit includes all reagents and devices...

MEMBRANE BIOREACTORS: Dual-Stage Design: Offers Low Cost.
February 1, 2005... ITT Industries has introduced a dual-stage membrane bioreactor (MBR) for advanced treatment of industrial wastewater that delivers a higher quality effluent in less space and with lower operating costs than conventional activated sludge...

GAS SEPARATION: Status of Hydrogen Membrane Separations.
February 1, 2005... A newly published report from the Energy Research Center of the Netherlands (ECN) summarizes the state of the art of membrane techniques for separating hydrogen from other gases, for application within IGCC (integrated gasification combined...

Model Predicts Hydrogen Flux.
February 1, 2005... Researchers from the Department of Energys National Energy Technology Laboratory (NETL) and Carnegie Mellon University have developed a computational modeling tool that predicts hydrogen flux through metal alloy membranes. The advanced computer...

Electrolyzer to Provide Space Station Oxygen.
February 1, 2005... Later this year, space station crews will be generating their onboard oxygen supply using a proton exchange membrane electrolyzer from Hamilton Sundstrand. The SPE (solid polymer electrolyte) Oxygen Generation Assembly (OGA) will convert water...

MATERIALS: Ultrathin Films Grown on Liquid Mercury.
February 1, 2005... Scientists from Brookhaven National Laboratory, Bar-Ilan University and Harvard University have grown ultrathin films of organic chain molecules on the surface of liquid mercury. The molecules form ordered structures that could be useful in...

INDUSTRY NEWS: Water Industry Donates to Tsunami Relief Effort.
February 1, 2005... Southeast Asia is faced with critical water and wastewater needs following the earthquake and subsequent tsunami that hit the region on December 26. Drinking water is in very short supply in some areas, because of contamination by salt water....

DOE Funds Hydrogen Fueling Stations.
February 1, 2005... Proton Energy Systems, Inc. and the University of Nevada, Las Vegas Research Foundation (UNLVRF) have been awarded a Phase II $1.2 million DOE contract to further development of a hydrogen filling station capable of operating on solar power....

Black & Veatch Launches Inland Desal Research.
February 1, 2005... Global engineering, consulting and construction company Black & Veatch is leading a research project, sponsored jointly by the American Water Works Association Research Foundation (AwwaRF) and the California Energy Commission (CEC), to develop...

Historic Water Plant Ceases Operations.
February 1, 2005... Water Factory 21, one of the worlds most famous RO water purification plants, has been shut down in anticipation of Orange County, CAs larger, more advanced water facility, which will come on line in 2007. The Water Factory will be demolished...

BUSINESS.
February 1, 2005... Zenon Files Further Action Against USFilter. On January 12, Zenon Environmental, Inc. (Oakville, Ontario, Canada) filed further action against USFilter Corp., alleging infringement of U.S. Patent 6,682,652, which describes an apparatus for...

FINANCIAL RESULTS.
February 1, 2005... CUNO Reports Record Results. CUNO Inc. (Meriden, CT) has reported record results for the fourth quarter and the fiscal year ended October 31, 2004. Sales of $103.5 million for the quarter increased 34% from $77.5 million in the same period in...

PATENTS.
February 1, 2005... Composite Manufactured Simply, Economically. Scientists at DeGussas R&D arm Creavis Technologies (Marl, Germany) have patented a permeable composite ceramic material useful for fabricating membranes. The composite, comprised of a perforated...

RECENT RESEARCH.
February 1, 2005... TouchSpray Applicable to Wider Range of Drugs. The Technology Partnership (TTP, Cambridge, UK) is working with a number of international companies to commercialize its TouchSpray membrane- based electronic aerosol technology for a wider range...

CALENDAR.
February 1, 2005... March 12-13, International Water Forum: Water Reuse in the 21st Century, Dubai, United Arab Emirates. Contact: International Desalination Association, P.O. Box 387, Topsfield, MA 01983; Tel: 978/887-0410, Fax: 978/887-0411, email:...

INDUSTRY INSIGHT: Applications of Membranes to Process Wastes.
February 1, 2005... By Gerold Luss, Technical Director, Complete Filtration Resources, Inc., Minneapolis, MN 55406; Tel: 612/729-1206. Part I of a two- part discussion. Membranes have a long history in the water treatment industry. What is often not mentioned...

Canned Meat.
February 1, 2005... The application was found in a small, prepared (canned) meat production facility. The existing treatment consisted of a DAF (dissolved air flotation unit) together with chemical flocculation. This type of treatment had been installed when the...

Treatment Scheme.
February 1, 2005... The membrane unit would follow the DAF and further treat the DAF effluent to bring the overall effluent within the city guidelines. The membrane selected was a polyethersulfone nanofiltration membrane since some of the constituents of the feed...

NF Pilot Plant Runs.
February 1, 2005... On days when flows were known to be less than 50,000gpd, concentration factors of greater than 5X could be used to obtain greater volume reductions. It was determined that fluxes were reasonably constant up to the 6.5X range. These results show...

Cleaning Solutions.
February 1, 2005... Another application of membranes to food industry process wastes is the recovery of spent cleaning solutions. Cleaning solutions often present unique problems because the feed streams are non- standard, varying widely in chemical composition...

Soil Loading.
February 1, 2005... In UF and MF processes, the soil loadings are almost always high enough so that a filter cake forms on the membrane surface; this leads to lowered flux. However, it also leads to better rejections than one would predict on the basis of membrane...

Conclusion.
February 1, 2005... The recovery of active alkalinity, as measured by total NaOH recovery (generally measured by titration to a phenolphtalein end point), at first appeared to vary widely. However, if one looks at both the phenolphtalein and methyl orange...