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Displaying 381 - 400 of 1612 stories.
March 1, 2011
Removing very fine metal particles from milk powder Goudsmit Magnetic Systems Developed in collaboration with Friesland Campina Doma, this improved version of the rotating clean-flow magnet (photo) removes very fine metal particles from whey powder. And due to its renewed dynamic seal, the system is also dust-proof at an overpressure of up to 0.4 bar. The magnets move in a fully enclosed, rotating...
http://www.che.com/extras/pdf/New-Products-Domestic_6452.html
March 1, 2011
For any capital-intensive and labor-intensive engineering and construction (E&C) project, the lead process engineer (LPE) plays a pivotal role. To maximize the success of these complex projects, companies that hire E&C companies should be aware of the role that the E&C process engineering team plays in terms of helping to execute these projects. In a nutshell, the LPE is responsible for...
http://www.che.com/extras/pdf/E-and-C-projects-Clarifying-the-Role-of-the-Lead-Process-Engineer_6455.html
February 1, 2011
North America TMS 2011 Annual Meeting & Exhibition. Minerals, Metals & Materials Soc. (Warrendale, Pa.). Phone: 724-776-9000, ext. 243; Web: tms.org San Diego, Calif. February 27–March 3 Personal Care Products Council Annual Meeting. Personal Care Products Council (Washington, D.C.). Phone: 202-331-1770; Web: personalcarecouncil.org Palm Beach, Fla. February 28–March 2 NPRA 2011...
http://www.che.com/extras/pdf/Calendar-February-to-April-2011_6350.html
February 1, 2011
A novel process for removing hydrogen sulfide from natural gas has been started up at Sinopec Zhongyuan Petroleum Co.’s Puguang natural gas plant in China’s Sichuan Province. The plant, Asia’s largest sour natural-gas treatment facility, can process up to 36-million Nm3/d of gas, while the H2S recovery unit will yield up to 3-million metric tons per year (m.t./yr) of elemental sulfur...
http://www.che.com/extras/pdf/Cool-amine-process-improves-H2S-absorption_6351.html
February 1, 2011
A pilot plant for a process that uses a fluidized bed of sand to gasify coal and other carbonaceous materials will be started up this summer in Kanab, Utah by Viresco Energy LLC (Riverside, Calif.; www.virescoenergy.com). Initially, the plant will convert 5 ton/d of low-rank coal into synthesis gas (syngas), says Jim Guthrie, Viresco president. Later, the company plans to add biomass and biosolids from...
http://www.che.com/extras/pdf/No-oxygen-is-needed-for-this-gasifier_6352.html
February 1, 2011
A manufacturing facility for bio-based intermediate and specialty chemicals under construction by Elevance Renewable Sciences Inc. (Bolingbrook, Ill.; www.elevance.com) is on track to begin generating products late this year, according to the company. Located in Indonesia, the facility is currently undergoing site preparation work, says Elevance executive vice president of sales and market development Andy...
http://www.che.com/extras/pdf/Elevance-biorefinery-on-track-for-late-2011-commissioning_6353.html
February 1, 2011
A pulsed-electric-field (PEF) pre-treatment technology to facilitate extraction of oils from algae cells was introduced recently by Diversified Technologies Inc. (Bedford, Mass.; www.divtecs.com). Algae have drawn considerable interest as a renewable source of biofuels, but the costs of algae-derived fuels remain much higher than petroleum-derived fuels. The scalable PEF method could significantly lower...
http://www.che.com/extras/pdf/A-streamlined-pre-treatment-process-for-algae-biodiesel_6354.html
February 1, 2011
Nippon Ketjen Co. (Tokyo; www.nippon-ketjen.co.jp) has developed two new catalysts with enhanced properties for petroleum residue hydrotreating. KFR 15 removes metallic impurities, and KFR 93 removes sulfur from residues and contributes to the efficiency of residue hydrotreating units. For the metal-removal catalyst, Nippon Ketjen adopted new support technology, enhanced pore volumes and optimized pore...
http://www.che.com/extras/pdf/Nippon-Ketjen-introduces-new-catalysts-for-residue-hydrotreating_6355.html
February 1, 2011
Kyoto University (Kyoto, www.kuchem.kyoto-u.ac.jp) professor Hiroshi Kitagawa has developed technology for synthesizing nanoscale particles of alloyed metals that could lead to alternatives to industrially important, but expensive, metals such as Pd and rare earth metals. Kitagawa’s group has used the technology in the first synthesis of atomic-level rhodium/silver-alloy nanoparticles using a...
http://www.che.com/extras/pdf/Nanoparticle-alloy-could-be-an-alternative-to-palladium_6356.html
February 1, 2011
A silica-based amorphous material in which silicon atoms are linked to organic groups, as well as to oxygen, creates a pore network that tolerates aggressive chemical environments more effectively than conventional polymeric or ceramic membranes. Licensed by membrane manufacturer Pervatech BV (Enter, the Netherlands; www.pervatech.com) from the Energy research Centre of the Netherlands (ECN; Petten, the...
http://www.che.com/extras/pdf/Hybrid-inorganic-organic-membrane-has-enhanced-stability_6357.html
February 1, 2011
Up to now, used energy-saving light bulbs have been processed by recycling firms that recover the various components, such as glass, metal, plastics and mercury. However, the remaining luminescent powders, which contain high concentrations of rare earth elements (REEs), are currently disposed of in landfills. This situation is about to change thanks to a new, selective process...
http://www.che.com/extras/pdf/Recovering-rare-earth-metals-from-used-light-bulbs_6358.html
February 1, 2011
Mesa Minerals Ltd. (Perth, Australia; www.mesaminerals.com.au) has developed an alternative hydrometallurgical method for converting low-grade manganese oxide ores to electrolytic manganese dioxide of high purity for use in alkaline and lithium-ion battery production. The company claims its process consumes about half the energy required by a similarly sized plant using the conventional process. The Mesa...
http://www.che.com/extras/pdf/A-new-process-for-high-purity-MnO2_6359.html
February 1, 2011
A process to spray-dry Aloe vera for use in the food and cosmetics industry has been developed by GEA Niro (Søborg, Denmark; www.niro.com). The process is expected to offer an efficient and economical alternative to freeze drying, as well as a method of producing a high-quality...
http://www.che.com/extras/pdf/Spray-drying-converts-a-medicinal-cactus-into-a-powder_6360.html
February 1, 2011
    DuPont acquisition Last month, DuPont (Wilmington, Del.; www.dupont.com) announced its plans to acquire Danisco, a global enzyme and specialty food ingredients company, for $5.8 billion in cash and assumption of $500 million of Danisco’s net debt. Danisco is a technology-driven organization, with strong research and application development capabilities. The company’s specialty...
http://www.che.com/extras/pdf/February-Chementator-Briefs_6361.html
February 1, 2011
The pressure testing of process piping and vessels is essential in the chemical process industries (CPI). In liquefied natural gas (LNG) and other cryogenic facilities, residual water left by hydraulic pressure testing could result in operational problems if not completely removed, and complete removal of residual water can be very difficult and time consuming. Pneumatic pressure testing avoids these...
http://www.che.com/extras/pdf/Evaluating-and-Reducing-the-Risks-Of-Pneumatic-Pressure-Testing_6363.html
February 1, 2011
When I was growing up in western Pennsylvania, we used to have notebooks in school with a map of the state on the cover. Back then (1960s), local children quickly learned that by tracing the boundaries of certain counties, one could create a silhouette of a coal miner at the center of the state. The point is, coal was important; we heated our homes with it, we burned it to make electricity, and if we...
http://www.che.com/extras/pdf/Put-coal-back-on-the-map_6364.html
February 1, 2011
The precise monitoring and control of valve position is essential for efficient automation of both discrete and continuous processes. Measurement of valve position provides the data required for the use of advanced control strategies and predictive maintenance algorithms. More effective monitoring of valve position has been an area in which considerable progress has been made in improving the performance...
http://www.che.com/extras/pdf/Control-valve-position-sensors_6365.html
February 1, 2011
The fact that I was 150 ft up, on the outside of an extraction column, in January, in Canada, in a 20-mph wind, was not the worst part of the experience. The worst part was that the column was not working properly, and I had helped to design it. Like most industrial columns, this one had vertical ladders on its side. Each ladder led to a landing, or so-called deck. Each ladder was surrounded by a cage. The...
http://www.che.com/extras/pdf/Crows-nest_6366.html
February 1, 2011
Current industry syngas output has increased by 26% since 2007 — and by 50% since 2004 — reaching a current gasification capacity of 70,817 MWth of syngas output, according to the U.S. Dept. of Energy’s (DOE; Washington, D.C.; www.energy.gov) 2010 Worldwide Gasification Database. With 48 new plants (93 gasifiers) planned or under construction in the period 2011–2016, the global...
http://www.che.com/extras/pdf/Coal-to-Chemicals_6368.html
February 1, 2011
Given the state of the still-lagging economy, it doesn’t come as a surprise that the chemical process industries (CPI) are attempting to get more finished product from their existing processes at lower costs. As a result, many are examining their liquid-to-solid separation operations with hopes of eking out additional product and savings. And, it appears that more robust and versatile automated...
http://www.che.com/extras/pdf/S-L-separation-No-more-separation-anxiety_6369.html
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