Archives :: Processing & Handling :: Reaction Engineering

Displaying 181 - 200 of 330 stories.
November 15, 2007
A molecular testing method that attains a viable count of microbial organisms in as little as 4 h compared to the typical 3–14...
November 15, 2007
A program to develop ionic liquids and formulations to improve the performance and efficiency of solar cells has been initiated by BASF AG (Ludwigshafen, Germany) and G24 Innovations, Ltd...
November 6, 2007
Integrated Biodiesel Industries, Ltd (IBI; Sao Paulo) has signed a Letter of Intent with port operator Terminal Puerto Rosario S.A. (TPR) to build a 60,000-m.t./yr biodiesel plant inside its facilities in the city of Rosario, Argentina. TPR will offer existent infrastructure such as land, storage tanks with...
November 1, 2007
BASF Catalysts (Iselin, N.J.; is expanding production at its facility in Tarragona, Spain, which manufactures catalysts used to make polypropylene. Once complete by September 2008, the project will increase capacity...
October 1, 2007
DuPont (Wilmington, Del.; has acquired hydrotreating technology for desulfurizing motor fuels and hydrocracking intermediate refinery streams from Process Dynamics, Inc. (Fayetteville, Ark.). The IsoTherming Hydroprocessing Technology differs from other hydrotreating processes in that hydrogen is dissolved in the liquid feed before the liquid enters the reactor, so the reactors...
October 1, 2007
Although halons (brominated or chlorinated fluorocarbons) are widely used as fire suppressants and foaming agents, they also contribute to stratospheric ozone depletion. However, halons are potentially valuable chemicals that should not be destroyed, but rather converted to reusable chemicals, says Bogdan Dlugogorski, professor of chemical engineering in the school of...
October 1, 2007
Asahi Kasei Finechem Co. (Osaka, Japan; has commercialized a new type of catalyst for performing asymmetric oxidation reactions. The catalyst is based on ligands having the structure of a chiral-bis-hydroxamic acid (CBHA; diagram), which was first developed by Professor Hisashi Yamamoto at the University of Chicago; Asahi Kasei Finechem subsequently developed an industrial process...
October 1, 2007
  Daicel Chemical Industries Ltd. (Osaka, Japan; is further developing an oxidation catalyst based on N-hydroxyphthalimide (NHPI), which was first discovered by Professor Yasutaka Ishii of Kansai University several years ago (CE, September 2000, p. 23). The catalyst, together with a small amount of metal salts (Mn or Co), can be used for the...
October 1, 2007
Rigorous temperature control is required for performing selective catalytic reactions, such as hydrogenation and oxidation (ethylene oxide production, for example), and in reactions where the chemical equilibrium is strongly temperature dependent (Claus sulfur recovery or the CO-shift reaction, for example). Up to now, catalyst-filled, straight-tube reactors have typically been used for such reactions. But...
October 1, 2007
  The ability of titanium dioxide to absorb ultraviolet A (UVA) and ultraviolet B (UVB) solar radiation has been increased 25% by researchers at the U.S. Dept. of Energy’s Brookhaven National Laboratory (Upton, NY...
October 1, 2007
Bayer MaterialScience AG (BMS; Leverkusen, Germany; is opening a second production facility for Baytubes, its carbon nanotubes product, at H.C. Starck GmbH (Laufenburg, Germany). When...
October 1, 2007
Metabolic Explorer (Metex; Clermont-Ferrand; and IFP (Rueil-Malmaison, both France; signed an agreement last month to accelerate the scaleup of Metex’s proprietary technology for...
September 1, 2007
In order to confirm the performance of its proprietary, high-severity fluid-catalytic-cracking (HS-FCC) process, Nippon Oil Corp. (Tokyo, Japan; plans to build a new confirmation-test plant at its Mizushima, Japan, refinery. The unit will have a treating capacity of 3,000 bbl/d when it starts operating in 2010 as part of a joint research project conducted by Petroleum...
September 1, 2007
    Glycerin has over 1,500 known end uses, including applications in cosmetics, pharmaceuticals and food products, with the U.S. market alone demanding around 600-million lb/yr. But over the next two years, biodiesel plants are expected to produce an additional 1-billion lb/yr of glycerin as a byproduct (see box below). As a result, the price of glycerin is falling as fast as biodiesel plants...
August 1, 2007
Davy Process Technology Ltd. (DPT; London;, a Johnson Matthey company, has received the first license of its new glycerin-to-propylene glycol (GTPG) process. The first project, planned for the Ashland/Cargill joint venture (CE, June, p. 10), will produce more than 65,000 m.t./yr of PG at a yet-to-be disclosed location in Europe. Startup is expected early in 2009. The GTPG process...
August 1, 2007
The traditional way to check microbial growth in a fermentation process is to take a sample of slurry and analyze it in the laboratory, a procedure that is less than ideal because of the time delay in obtaining the information. Now, a method that does the job online, in real time, has been developed at Pacific Northwest National Laboratory (PNNL; Richland, Wash.; In PNNL’s...
August 1, 2007
Chiyoda Corp. (Kawasaki, Japan; has licensed its proprietary titania-supported catalyst for ultra-deep hydrodesulfurization (HDS) of gas oil to Axens (Paris, France; Axens is currently working on the final adjustment of industrial operating parameters, and plans to start commercial production of the new catalyst in the first...
August 1, 2007
A new catalyst that promises to cut the cost of producing biodiesel fuel from vegetable oils and animal fats by 30% has been developed by Victor Lin, a chemistry professor at Iowa State University (Ames, Iowa; The solid catalyst replaces the soluble, sodium methoxide catalyst that is currently used for the transesterification of oils in the production of biodiesel...
August 1, 2007
Alumina refining by the Bayer process involves the digestion of bauxite ore with caustic soda, which produces “green liquor,” from which alumina is recovered, and a bauxite residue, called red mud, which is stored in large disposal areas. A typical refinery (2-million m.t./yr) produces about 1.4 tons of bauxite-residue per ton of alumina recovered, which translates into about 2.8-million m.t./yr of red...
August 1, 2007
What is billed as the first commercial-scale plant to produce ethanol from cellulosic feed will be built in Treutlen County, Georgia, by Range Fuels, Inc. (Broomfield, Colo.; The company received a construction permit from the State of Georgia last month and will shortly break ground for the plant. Scheduled for completion...
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