Mobile Navigation

Water Treatment

Reduce energy needs by converting wastewater into biogas

Ecovation, Inc. (Victor, N.Y.; edlinks.chemengonline.com/6516-539) has constructed a waste-treatment and renewable-energy-production facility for CoolBrands International (North Lawrence, N.Y.) — a cottage-cheese and yogurt production plant that will use Ecovation’s patented Mobilized Film Technology (MFT) to biologically treat wastewater containing cheese…

Bacteria may be a solution to stop uranium migration in groundwater

The U.S. DOE estimates that uranium contaminates more than 2,500 billion liters of groundwater nation wide; for the past 10 years, the agency has supported research into the ability of naturally-occuring microbes that can stop the underground migration of uranium…

Water purification

Dow Chemical Co. (Midland, Mich.; edlinks.chemengonline.com/6515-546) has acquired Zhejiang Omex Environmental Engineering Co., Ltd. (OEE; Huzhou, Zhejiang, China). The acquisition will enable Dow to expand its water-purification offerings into three component technologies: ultrafiltration, membrane-bioreactor (MBR) membranes and electrodeionization.

Member Exclusive

Chementator: Mercury removal

Battelle (Columbus, Ohio; edlinks.chemengonline.com/5830-544) has licensed the Samms technology, developed at Pacific Northwest National Laboratory (PNNL; Richland, Wash.), to Steward Environmental Solutions (Chattanooga, Tenn.; edlinks.chemengonline.com/5830-545). Samms (self-assembled monolayers on mesoporous supports) is a technology that can be tailored to selectively…

Member Exclusive

Chementator: Nanotube membranes

Researchers at the Lawrence Livermore National Laboratory (LLNL; Calif.; edlinks.chemengonline.com/5830-551) have constructed a membrane of carbon nanotubes (CNTs) on a silicone chip, which has the potential to reduce the energy costs of desalination by up to 75%, compared to conventional…

Focus On: Boiler & Cooling Water Handling

Continuously measure chlorine in water The Model TCL (photo, upper left) is a complete system for the measurement of total chlorine in water. Comprised of a sample conditioning system, an analyzer and a sensor, this system provides continuous measurement and…

A new twist for UV/O3 disinfection of water

Vortex Corp. (Prescott, Ariz.; edlinks.chemengonline.com/5828-538) has been awarded a Phase Two, $750,000 Homeland Security Advanced Research Project Agency Small Business Innovation Research contract to develop chlorine-free water-purification systems for municipal water-treatment plants. With support from the University of Arizona’s Water…

Member Exclusive

Process Water Treatment – Challenges and Solutions

    Depending on their location and on other factors, chemical-process-industries (CPI) plants obtain their process water from a diverse range of sources (see Process Water Supply — the Big Picture, Chem. Eng., May 2005, pp. 32–34.). The water from…

Member Exclusive

Chementator: Removing boron from drinking water

Next month, Mekorot, Israel National Water Company Ltd. (Tel Aviv, Israel) will start up what is claimed as the world’s first ion-exchange system for selectively removing boron from potable water. The plant, designed and constructed by Treitel Chemical Engineering Ltd.…

Member Exclusive

Chementator: Mobile water plant

Siemens Industrial Solutions and Services Group (Erlangen, Germany; edlinks.chemengonline.com/5827-551) has built, commissioned and deployed the largest mobile water filtration system in the industry. The Horizontal Filtration Trailer (HFT) has 242 ft2 of filtration surface area and can produce up to…