Plant Watch Dow to close LDPE plant in Freeport, Texas February 12, 2009 — Driven by current economic conditions and overcapacity for low-density polyethylene (LDPE) in the North American marketplace, The Dow Chemical Co. (Midland, Mich.) has announced the shutdown…
A process that produces hydrogen from coal with close to 80% energy conversion efficiency, plus coproduction of a carbon-dioxide-rich stream for sequestration, is being developed at Ohio State University (Columbus, Ohio; www.osu.edu). This compares with around 60% conversion efficiency for…
In the framework of the Impulse project (Integrated Multiscale Process Units with Locally Structured Elements; CE, April 2005, p. 19), researchers from the Industrial Chemistry Group at RWTH Aachen University (Germany; www.itmc.rwth-aachen.de) have developed a continuous production plant capable of…
Mitsubishi Chemical Corp. (MCC; Tokyo, Japan; www.m-kagaku.co.jp) has developed a new technology for producing 1,3-butadiene (butadiene) from waste butenes using a self-developed, proprietary catalyst. The process has been pilot tested (200-ton/yr capacity) at MCC’s Mizushima site in Japan, and the…
A less-expensive way of making the raw materials for carbon anodes (for aluminum smelting) and graphite electrodes (used to make steel in electric arc furnaces) has been developed by West Virginia University (UWV; Morgantown, W.Va.; www.wvu.edu). The conventional starting materials…
Milkweed, a plant that is toxic to farm animals and other creatures, may be a future source of a base material for sunscreen and other skin care products. Milkweed is harvested for floss, used as a hypoallergenic filler for pillows…
CSIRO Energy Technology (Newcastle, New South Wales, Australia; www.csiro.au) is developing a solar-powered air conditioning unit for residential use, using a desiccant-evaporative process to provide cool and dehumidified air. Thermally driven ab- or adsorption chillers are commonly used to provide…
A photocatalyst that is more active for decomposing volatile organic compounds (VOCs) with visible light than existing catalysts has been developed by researchers from the New Energy and Industrial Technology Development Organization (NEDO; Kawasaki City, Japan) in a project lead…
Wacker Chemie AG (Munich, Germany; www.wacker.com) has mid-term plans to construct a new hyperpure polycrystalline silicon facility in the U.S. and has purchased land in Tennessee for this purpose. The land in Bradley County covers approximately 550 acres (220 hectares),…
The Ukrainian based holding company Ukrtatnafta (www.ukrtatnafta.com), has awarded Axens (Rueil-Malmaison, France; www.axens.net) a contract for upgrading the gasoline pool at the Kremenchug refinery, which is the largest throughput capacity refinery in the Ukraine. The upgrading project is the first…