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Displaying 501 - 520 of 1632 stories.
October 1, 2010
As demand for rare-earth metals in a wide range of technology applications continues to increase, efforts to reestablish mining and production of rare-earth elements (REEs) is underway outside China, currently the dominant force in REE production. Future supplies of REEs and the myriad products in which they appear will depend less on absolute geological reserves and global trade politics and more on...
http://www.chemengonline.com/extras/pdf/Rare-Earth-Metals-For-the-Future_6032.html
October 1, 2010
To achieve success in today’s marketplace of global competition, chemical processors need to improve productivity while minimizing the total cost of ownership, which requires new measures and concepts. Wireless solutions offer far more benefits than just the elimination of cables and installation costs. Users also profit from more efficient maintenance and greater flexibility and mobility. Wireless...
http://www.chemengonline.com/extras/pdf/Wireless-Wireless-Everywhere_6033.html
October 1, 2010
The inaugural ChemInnovations 2010 Conference and Expo (www.cpievent.com) will take place at the Reliant Center in Houston on October 19–21. The event is designed to provide engineers in the chemical process industries (CPI) with tools and knowledge for solving today’s complicated processing challenges. ChemInnovations is expected to attract over 150 exhibitors and more than 2,000 attendees. A...
http://www.chemengonline.com/extras/pdf/ChemInnovations-2010-Show-Preview-II_6034.html
October 1, 2010
Keiser Kulp Crofton Roberts Duncan Bill Keiser joins NewAge Industries (Southampton, Pa.), a maker of plastic tubing, as director of quality. Mark Kulp becomes sales manager of Hawk Measurement (Middleton, Mass.), a manufacturer of positioning and flow-measurement technology. Wayne Osborne joins the firm as technical support specialist. Huntsman (The Woodlands...
http://www.chemengonline.com/extras/pdf/Bill-Keiser-joins-NewAge-Industries-_6035.html
October 1, 2010
ESCO Technologies Boiler-tube expanders with precise torque control A full line of air-powered tube expanders and rolling motors for creating steel-to-steel mechanical seals in boilers, heat exchangers and condensers is available for sale or rent from this company. The Millhog tube expanders and rolling motors (photo) are air-powered and feature precise torque control from 25 to 325 ft-lb. Once the proper...
http://www.chemengonline.com/extras/pdf/Focus-on-Steam-Handling-and-Production_6045.html
October 1, 2010
Improvements to the performance of basic, regulatory control systems have a great return on investment and are some of the least expensive control improvements to make [1]. Control valves have a major impact on control loop performance and, therefore, improvements in valve performance can have significant economic benefits. This article shows how poor control-valve performance can be identified and...
http://www.chemengonline.com/extras/pdf/Improving-Control-Valve-Performance_6046.html
October 1, 2010
Because the global chemical process industries (CPI) encompass so many varied industry segments — including the conversion of raw materials and intermediates into chemicals and petrochemicals, fats and oils, paints and coatings, food and beverages, the refining of petroleum, the production of pharmaceuticals and others — there is considerable overlap in terms of the types of equipment...
http://www.chemengonline.com/extras/pdf/Crossover-Applications-for-the-ASME-Bioprocessing-Equipment-Standard_6047.html
October 1, 2010
Spheripol process technology is chosen for new PP plant in China September 15, 2010 — LyondellBasell’s (Rotterdam, The Netherlands; www.lyondellbasell.com) Spheripol process technology has been selected by Pucheng Clean Energy Chemical Co. for a new 400,000-ton/yr polypropylene (PP) plant to be built in Pucheng County in the Peoples Republic of China. Startup is planned for 2013. Veolia to...
http://www.chemengonline.com/extras/pdf/Spheripol-process-technology-is-chosen-for-new-PP-plant-in-China-and-more-business-news_6048.html
October 1, 2010
This decanter uses less energy for sludge dewatering Pieralisi Launched at IFAT last month, this new series of decanters (photo) has been designed specifically for the dewatering of sludge from industrial wastewater. The designers of the new decanter series have given particular attention to energy savings: thanks to the innovative internal fluid dynamics, it is possible to reduce the energy absorber, thus...
http://www.chemengonline.com/extras/pdf/October-New-Products-International_6049.html
October 1, 2010
At K 2010 — the 18th International Trade Fair for Plastics and Rubber (Düsseldorf, Germany; October 27–November 3) — some 3,100 exhibitors from 57 countries will present the latest developments from all sectors of the plastics and rubber industry. The exhibition occupies 17 halls and covers an exhibit area of about 1.7-million ft2. Manufacturers of machinery and equipment are...
http://www.chemengonline.com/extras/pdf/K-Show-Preview_6050.html
October 1, 2010
These days, there seem to be more reasons than ever to change feedstocks throughout the chemical process industries (CPI). Whether environmental, or more directly based on financial and market drivers, big benefits usually require big changes. This is especially true in switching to many renewable feedstocks, which either add or compound challenges related to processing solids. When Columbia Forest...
http://www.chemengonline.com/extras/pdf/Lessons-in-Feedstock-Change_6051.html
October 1, 2010
Thermal insulation systems can provide several functions on piping and equipment in industrial facilities. Some of these are: reduction in energy loss, process control, personnel protection, emissions reduction, condensation, freeze protection, and noise reduction. In the chemical process industries (CPI), thermal insulation systems are often subjected to severe environments that might include either very...
http://www.chemengonline.com/extras/pdf/Industrial-Insulation-Systems-Material-Selection-Factors_6052.html
October 1, 2010
Improved C5 use Some 106,000 ton/yr of so-called spent C5 fraction is generated at Mitsui Chemicals Inc.’s (Mitsui; Tokyo, Japan; www.mitsuichem.com) naphtha cracker at its Chiba Factory. Presently, the company is selling about half of the C5 fraction (50,000 ton/yr) — after partial hydrogenation — to Idemitsu Kosan Co. (Tokyo) for gasoline production, and the remainder is burned as fuel...
http://www.chemengonline.com/extras/pdf/October-chementator-briefs_6053.html
September 1, 2010
Ludwig's Applied Process Design for Chemical and Petrochemical Plants, 4th ed., Vol. 2. By A. Kayode Coker. Elsevier Inc. The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, U.K. Web: elsevier.com. 2010. 961 pages. $223.00. Reviewed by Kamal Shah, Aker Solutions, Houston The comprehensive and practical fourth edition of “Ludwig’s Vol. 2” is written as a process design manual for the...
http://www.chemengonline.com/extras/pdf/Ludwigs-Applied-Process-Design-Vol-2-Reviewed-by-Aker-Solutions-Shah_5938.html
September 1, 2010
Codexis (Redwood City, Calif.; www.codexis.com) and CO2 Solution (Quebec City, Canada; www.co2solution.com) have jointly developed a cost-effective method for capturing carbon dioxide from coal-fired power plants. Solvent-based systems for capturing CO2 are relatively well-understood, but they have not been widely deployed because they are energy-intensive and inefficient. Solvent-based approaches involve...
http://www.chemengonline.com/extras/pdf/Enzyme-based-method-could-make-CO2-capture-economically-viable_5939.html
September 1, 2010
A magnetic composite based on reduced graphene oxide (RGO) has been developed by a Korean team with an exceptional capacity to remove arsenic from drinking water. The team, headed by professor Kwang S. Kim from the Center for Superfunctional Materials, Dept. of Chemistry, Pohang University of Science and Technology (www.postech.ac.kr), South Korea, claims the composite can achieve nearly complete removal...
http://www.chemengonline.com/extras/pdf/An-attractive-way-to-remove-arsenic-from-water_5940.html
September 1, 2010
An enhanced reactor technology that boosts the speed of producing bioethanol by a factor of four while decreasing production costs by 25% compared to a stirred batch fermenter has been developed by IHI Corp. (IHI; Tokyo; www.ihi.co.jp). The technology features a cohesive strain of yeast to increase the number density of microorganisms in the reactor, and utilizes the flow created by the carbon...
http://www.chemengonline.com/extras/pdf/A-more-efficient-less-expensive-way-to-continuously-make-bioethanol_5941.html
September 1, 2010
Professor Kazuaki Ishihara and colleagues at Nagoya University (Nagoya, Japan;www.nubio.nagoya-u.ac.jp/indexe.HTM) has discovered an efficient, chiral, salt-based hypervalent iodine catalyst that could replace toxic metal catalysts without generating the waste or explosion risks associated with hypervalent organo-iodine complexes. The researchers took the radical step of swapping iodine bonded to carbon...
http://www.chemengonline.com/extras/pdf/A-new-iodine-based-catalyst-for-asymmetric-synthesis_5942.html
September 1, 2010
Photovoltaic cells typically operate at 20% efficiency in converting solar energy to electricity. A new system that could boost the efficiency to as much as 60% by combining the light and heat of solar radiation is being developed at Stanford University (Palo Alto, Calif.;www.stanford.edu). Standard silicon solar cells have two limitations, says Nick Melosh, an assistant professor of materials science and...
http://www.chemengonline.com/extras/pdf/Heat-plus-light-may-boost-solar-energy-efficiency_5943.html
September 1, 2010
A metal membrane system developed by Eltron Research and Development (Boulder, Colo., www.eltronresearch.com) separates hydrogen from mixed-gas feed streams that result from gasification, steam reforming and petrochemical processes. Based on a proprietary, dense metal alloy with hydrogen permeability that is coated on both sides with catalyst material, the membrane can be used as a carbon capture method...
http://www.chemengonline.com/extras/pdf/This-membrane-system-extracts-hydrogen-from-mixed-gas-streams_5944.html
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