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Environment, Health, Safety & Security

A Modern Approach to Solvent Selection

    Solvents have been used for centuries and in all type of industries for the processing, manufacturing and formulation of goods. In the chemical process industries (CPI), solvents are used in various process-operation steps such as separation (of gas,…

Chementator: …and there’s a new CTL licensee and patent for Rentech

Last month, Rentech, Inc. (Denver, Co.; edlinks.chemengonline.com/5826-539) signed its first domestic license agreement with DKRW Advanced Fuels LLC (Houston, Tex.; edlinks.chemengonline.com/5826-540) for the use of Rentech’s patented F-T CTL technology (CE, May 2004, p. 23). At the same time, DKRW’s…

Chementator: FF granted TÜV approval for SIS specifications

Last month, TÜV Anlagantechnik GmbH, Automation, Software and Information Technology (Cologne, Germany) granted protocol-type approval for the Fieldbus Foundation (FF; Austin, Tex.; edlinks.chemengonline.com/5826-541) safety-instrumented-systems (SIS) specifications. The specifications are in compliance with International Electrotechnical Commission (IEC) 61508 standard requirements up…

Chementator: Purifying ethanol without distillation

Ultrasound Brewery Co. (Naruto, Japan; edlinks.chemengonline.com/5825-535) has developed a process that separates the water from dilute solutions of alcohol to achieve 99.5%, without using conventional evaporation or distillation. The company has tested the process in a pilot plant that produces…

Chementator: Semi-renewable plastic

BASF AG (Ludwigshafen, Germany; edlinks.chemengonline.com/5825-546) has developed a biodegradable plastic that contains 45% polylactic acid, a biodegradable polymer made from corn (CE, November 2003, pp. 42, 43). The remaining component is BASF’s biodegradable plastic, Ecoflex, which is derived from petrochemicals.…

Chementator: This end-of-pipe process treats all fluegas pollutants…

This month, the first field tests will be conducted on a pilot plant, developed by WOW Energy, Inc. (Sugar Land, Tex.; edlinks.chemengonline.com/5825-534), to remove mercury, oxides of sulfur (SOx) and nitrogen (NOx), particulates, heavy metals and volatile organic compounds (VOCs)…

Chementator: …and this process makes power from waste heat  

WOW Energy (see item above) has also developed a patented process that uses commercial, off-the shelf components to reduce the FG temperature to near ambient, while converting the extracted thermal energy into electricity. The cascading closed-loop cycle (CCLC) does this…

Chementator: Smelling false alarms

An electronic nose capable of distinguishing between cigarette smoke and smoke from an office or factory fire has been developed by a consortium of nine European companies and research institutions, with funding from the EU’s IST (Information Society Technologies) program.…

Chementator: Biodiesel

Lurgi AG (Frankfurt, Germany; edlinks.chemengonline.com/5825-549) is building the world’s largest biodiesel plant for Neckermann-Renewables GmbH (Würzburg, Germany). When the E64-million facility starts up in December at Piesteritz, Germany, it will produce more than 200,000 m.t./yr of biodiesel from rapeseed. The…

A deplorable tendency for accident-related risks

Reader feedback tells us that maintaining process-plant safety is an area of perennial concern. That, doubtless, explains why Carolyn Merritt, chair and chief executive officer of the U.S. Chemical Safety and Hazard Investigation Board (CSB; Washington, D.C.), drew a large…