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Displaying 181 - 200 of 804 stories.
December 1, 2008
Mitsubishi Chemical Corp. (Tokyo; www.m-kagaku.co.jp/index_en.htm) has developed a plate-in-frame reactor for performing oxidation reactions, such as for the partial oxidation of propane to form acrylic acid. Because of the reactor’s enhanced heat transfer to the catalyst — sandwiched between the plates — the reactor size can be as small as...
http://www.che.com/news/Chementator-Significantly-slash-investment-costs-with-this-oxidation-reactor_4391.html
December 1, 2008
While monoethanolamine (MEA) is the traditional solvent for scrubbing CO2 from fluegas, more effective methods, including solid absorbents, are being developed (see CE, December 2008, pp. 16–20). Sodium carbonate, for example, is the sorbent in a process being developed, with DOE support, by Research Triangle Institute (RTI, Research Triangle Park, N.C.; www.rti.org). Desulfurized fluegas from a wet...
http://www.che.com/news/Chementator-Two-solid-ways-to-remove-CO2-from-fluegas-one-based-on-Na2CO3-_4392.html
December 1, 2008
The Australian Commonwealth Scientific and Research Organization (CSIRO) Food Futures Flagship (Sydney; www.csiro.au), has developed an in vitro robotic device for accurately predicting the glycemic index (GI) and resistant starch (RS) in foods. "This instrument will be a valuable tool for manufacturers as they develop new formulations and processes to make the products which consumers need,"...
http://www.che.com/news/Chementator-New-glycemic-index-technology_4393.html
December 1, 2008
A new membrane is combined with a novel process design to reduce energy costs in a CO2 recovery system developed by Membrane Technology and Research Inc. (MTR, Menlo Park, Calif.; www.mtrinc.com). The two-step system uses a membrane made of a hydrophilic rubbery polymer, formed into spiral-wound modules. The membrane is 10 times more permeable to CO2 than conventional membranes used for CO2, says...
http://www.che.com/news/Chementator-Using-membranes-to-lower-the-cost-of-CO2-capture_4395.html
December 1, 2008
China Energy Recovery, Inc. (CER; Shanghai; www.chinaenergyrecovery.com), in alliance with CMIIC Engineering and Construction Corp. (Beijing; www.cmiic.com), plans to design and build what is claimed to be the world’s largest straw-pulp-alkali...
http://www.che.com/news/Chementator-Black-liquor-treatment_4396.html
December 1, 2008
AkzoNobel Polymer Chemicals LLC (Chigago, Ill.; www.akzonobel.com/polymer) has launched Perkalite, a new range of synthetic, layered double-hydroxide (LDH) organoclays. With proper compounding, the LDH organoclays delaminate to nanoscale...
http://www.che.com/news/Chementator-Nanocomposite_4397.html
December 1, 2008
Last month, Uralchem OJSC (Moscow, Russia; www.uralchem.com) started production of a new fertilizer, called ASN 32:0:0:5, at Kirov-Chepetsk Chemical Works, OSJ. Granules of the new ASN formulation have a gradient structure with a high concentration of ammonium sulfate on the surface and a high concentration of ammonium nitrate...
http://www.che.com/news/Chementator-A-smart-fertilizer_4398.html
December 1, 2008
ESK Ceramics GmbH & Co. KG (Kempten, www.esk.com), together with Pfaudler Werke GmbH (Schwetzingen, both Germany; www.pfaudler.de), has launched a new plate heat exchanger made of silicon carbide. ESK is producing the ceramic heat exchangers on a large scale for the first time, and Pfaudler will handle global sales of the components. Three different models are available — sealed, semi-welded and...
http://www.che.com/news/Chementator-Ceramic-heat-exchangers-offer-more-than-corrosion-resistance_4399.html
December 1, 2008
Toray Industries, Inc. (Tokyo, Japan; www.toray.co.jp) has developed a new high-cycle molding resin that has improved flow characteristics, hardening time and heat-resisting properties. The new resin enabled the company to achieve a resin flow time of 3 min, hardening time of 5 min, and glass transition temperature of higher than 140°C. As a result, it is now possible to perform mold-shaping of...
http://www.che.com/news/Chementator-New-resin-technology-can-reduce-the-weight-of-car-parts_4400.html
December 1, 2008
New MMA process Last month, the world’s first plant to produce methyl methacrylate (MMA) using the Alpha process of Lucite International Group Ltd., (Southampton, UK; www.lucite.com) started up. The 120,000-m.t./yr (metric ton per year) plant is located on Jurong Island in Singapore. Lucite — acquired by Mitsubishi Rayon Co. (Tokyo) also last month (see CE, December 2008, p. 63) — says...
http://www.che.com/news/Chementator-Briefs_4401.html
November 1, 2008
The past decade has been a volatile period for chemical engineers in the workforce. The late 1990s was a booming time in the chemical process industries (CPI), with salary increases greater than ever and an unprecedented demand for Ch.E. expertise. This prosperity quickly gave way to harder times in the early 2000s, when engineers struggled to keep their salary increases on par with inflation. Luck had...
http://www.che.com/news/Newsfront-2008-Salary-Report_4311.html
November 1, 2008
As chemical processors continue to feel the pinch of the worsening economy, particle sizing is becoming an increasingly important issue because it can impact reaction rates and productivity. With the needs of chemical-process-industries (CPI) customers in mind, manufacturers of a variety of particle sizing equipment — from classifiers to hammer mills to grinders — are enabling their products to...
http://www.che.com/news/Newsfront-Particle-sizing-When-size-matters_4312.html
November 1, 2008
A new pilot reactor — claimed to be the world’s first, complete two-step supersonic reactor — for producing nanoparticles has started operation at the Technology Service Center of the Wolfgang Industrial Park (IPW) GmbH, a subsidiary of Evonik Industries AG (Essen, Germany; www.evonik.com). Designed by Evonik’s Process Technology & Engineering Service Unit, in collaboration with...
http://www.che.com/news/Chementator-Making-nanoparticles-at-Mach-2-6_4330.html
November 1, 2008
Researchers at the Max-Planck-Institut für Kohlenforschung (Mülheim, Germany; www.mpi-muelheim.mpg.de/kofo) have demonstrated that solid acids are powerful catalysts for the hydrolysis of cellulose dissolved in an ionic liquid. Even the cellulose fraction of wood, which is predominantly lignocellulose, can be hydrolyzed by the technique, says Ferdi Schüth, leader of the institute’s...
http://www.che.com/news/Chementator-Solid-catalyst-ionic-liquid-combination-shown-to-depolymerize-cellulose_4331.html
November 1, 2008
Uhde GmbH (Dortmund, Germany; www.uhde.biz) has commercialized a new gasifier design, the Prenflo (pressurized entrained-flow) with Direct Quench (PDQ) process, which is an optimized design of its Prenflo PSG gasification process for applications requiring hydrogen-rich syngas generation (ammonia, methanol, H2, liquid fuels and IGCC power plants with carbon capture and storage). PDQ combines the dry feed...
http://www.che.com/news/Chementator-A-new-gasifier-slated-for-its-commercial-debut_4332.html
November 1, 2008
Researchers at the Dalian Institute of Chemical Physics (China; www.english.dicp.ac.cn) and the University of Delaware (Newark; www.che.udel.edu) are developing a tungsten-carbide/nickel catalyst that degrades cellulose into polyols at 245°C and 60 atm. The catalyst is believed to facilitate hydrolysis and hydrogenation...
http://www.che.com/news/Chementator-A-less-expensive-catalyst-to-make-EG-from-cellulose_4333.html
November 1, 2008
PHREG Technologies, Inc., a startup company in Yorba Linda, Calif., has received a patent on a pyrolysis process that converts municipal waste and other bio-organic materials into a synthetic gas of 350–600 Btu/scf quality, depending on the nature of the waste. So far the company has only modeled the process, but Peter Nick, president, says the technology is designed to use proven...
http://www.che.com/news/Chementator-A-trash-to-syngas-process-earns-a-patent_4334.html
November 1, 2008
Decoking in a delayed coker operation is a laborious process that can take up to 18 h. A new method that reduces the time to 6 h has been developed by US Cokertech, LLC (Norman, Okla.). This effectively triples capacity for the same drum size, says Kazem Ganji, president. In a conventional delayed coker, residual or heavy oil in a petroleum refinery is pumped through a tube furnace at 900–940°F...
http://www.che.com/news/Chementator-This-process-improvement-speeds-up-delayed-coking_4335.html
November 1, 2008
Researchers at the National Institute of Advanced Industrial Science and Technology (AIST; Tsukuba, Japan; www.aist.go.jp), and the University of Tokyo have developed new photocatalysts that are more efficient at decomposing volatile organic compounds (VOCs) than the commonly used titanium dioxide. The catalysts — tungsten trioxide promoted with palladium or copper — decompose VOCs, such as...
http://www.che.com/news/Chementator-WO3-photo-catalyst-active-under-visible-light-for-VOCs-decomposition_4337.html
November 1, 2008
Crane ChemPharma Flow Solutions (Düsseldorf, Germany; www.cranechempharma.com) has developed a new compound diaphragm, the DEPA E4, which is said to increase life span, improve safety and increase efficiency of air-operated diaphragm pumps. The laminated design of the DEPA E4 ensures that the diaphragm surface is impermeable, thus providing an ultraclean working...
http://www.che.com/news/Chementator-This-diaphragm-adds-life-to-air-powered-pumps_4338.html
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