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Displaying 481 - 500 of 1625 stories.
November 1, 2010
Following the devastating explosion at the Imperial Sugar Co.’s Georgia factory that killed 14 people, injured many more employees and leveled the facility in February 2008, it was determined by the U.S. Occupational Safety and Health Admin. (OSHA; www.osha.gov) officials and the U.S. Chemical Safety Board (CSB; both Washington, D.C.; www.csb.gov) that the catastrophe could have been prevented had...
http://www.che.com/extras/pdf/Explosion-Prevention_6119.html
November 1, 2010
Halogen Valve System This monitor detects toxic and hazardous gases The Jupiter gas-detection system model HVS4000 (photo) monitors and reports information about hazardous and toxic gases to Scada systems. It is a microprocessor-based instrument capable of detecting a wide range of toxic gases in ppm quantities, including ammonia, carbon monoxide, ozone, chlorine dioxide and sulfur dioxide. The HVS4000 can...
http://www.che.com/extras/pdf/November-New-Products-Domestic-Edition_6120.html
November 1, 2010
Perten Instruments Group Analyze plant matter quickly, without grinding With an analysis time of only 6 s, the DA 7200 near infrared (NIR) analysis system (photo) and a new calibration feature offers many benefits for forage analysis (plant matter). The unit can analyze forage samples as they are — without grinding required. The calibrations include fresh and dried or ground samples and are accurate...
http://www.che.com/extras/pdf/November-New-Products-International-Edition_6121.html
November 1, 2010
Mechanical centrifugal air classifiers are used extensively to process aggregates, ceramics, chemicals, foods, minerals, metals, plastics, flyash and other materials. They are normally employed when the particle size that you need to separate is too fine to screen. The air-classified product can be either the granular coarse discharge with very little fines and dust, or it can be the fines discharge with...
http://www.che.com/extras/pdf/Mechanical-Centrifugal-Air-Classifiers_6123.html
November 1, 2010
A new SM process Exelus Inc. (Livingston, N.J.; www.exelusinc.com) received a $500,000 grant from the U.S. Dept. of Energy (DOE; Washington, D.C.) to help pilot the company’s styrene monomer (SM) process ( CE, January 2007, p. 13). The funds are part of DOE’s Small Business Innovation Research XLerator program, designed to help develop scaled-up manufacturing processes. The ExSyM process...
http://www.che.com/extras/pdf/November-Chementator-Briefs_6127.html
October 1, 2010
North America ChemInnovations. Chemical Engingeering (New York) and Access Intelligence (Rockville, Md.). Phone: 713-343-1880; Web: cpievent.com Houston Oct. 19–21 Using WirelessHART Communication in the Process Industries. HART Communication Foundation (Austin, Tex.). Phone: 512-794-0369; Email: hartcom.org Houston Oct. 21 Huntington Beach, Calif. Oct. 26 Bakersfield, Calif. Oct. 28 Coating and...
http://www.che.com/extras/pdf/Calendar-October-2010-January-2011_6018.html
October 1, 2010
Standardized steam-methane-reforming (SMR) reactor units recently commercialized by Air Liquide (Paris, France; www.airliquide.com) allow direct hydrogen production at customer sites at costs much lower than those associated with alternative H2 supply modes, including electrolysis and transporting compressed or liquefied H2. Because of the technology’s specific applicability to facilities that...
http://www.che.com/extras/pdf/A-modular-SMR-unit-provides-onsite-hydrogen-production_6019.html
October 1, 2010
A group of Singapore researchers have reported a new approach to induce the coiling of prefabricated gold nanowires (AuNWs) inside polymer shells, leading to structures resembling torsion springs. In contrast to gas-phase methods that require high temperatures and are limited to non-metallic nanomaterials, the transformation of straight wires into circular rings takes place in a colloidal solution by...
http://www.che.com/extras/pdf/Nanowires-that-spring-into-action_6020.html
October 1, 2010
Photos: Teijin Group Toho Tenax Co. (Tokyo; www.tohotenax.com), the main company of the Teijin Group’s carbon fibers business, has commercialized a gas-diffusion layer (GDL) made of carbon fiber fabric for use as an electrode component for fuel cells. GDLs are a key component of the electrode in fuel cells, supplying hydrogen and oxygen while collecting electrons generated and discharging...
http://www.che.com/extras/pdf/Fabric-of-carbon-fibers-set-to-improve-fuel-cell-performance_6021.html
October 1, 2010
A plasma-based process has achieved a 30% yield of methanol from methane in a microreactor system developed by a research team led by Tomohiro Nozaki, associate professor at Tokyo Institute of Technology (TiTech; Tokyo, www.mech.titech.ac.jp). The yield is nearly the same as that obtained in conventional methanol-synthesis reactors (in single pass), which catalytically convert...
http://www.che.com/extras/pdf/Micro-plasma-reactor-makes-methanol-from-methane_6022.html
October 1, 2010
Westec Environmental Solutions, LLC (WES; Chicago, Ill.; www.wes-worldwide.com) has developed a gas-liquid absorption technology that can dramatically enhance mass transfer in gas-liquid absorption, extraction and scrubbing systems. The patented WES Absorber operates co-currently and creates a micro-froth matrix that intensifies mass transfer. Co-current operation allows the column to operate at gas...
http://www.che.com/extras/pdf/A-new-multiphase-contactor-promises-to-cut-costs-for-carbon-capture-and-more_6023.html
October 1, 2010
Crystallization is a key purification technique for various sectors of the chemical process industries (CPI). Several approaches for industrial crystallization have evolved over time and highly specialized crystallizer designs have been developed, especially in long-established industries. Solution crystallization is an important unit operation because the process can generate high-purity products from...
http://www.che.com/extras/pdf/MSMPR-Crystallization-equipment_6029.html
October 1, 2010
Every distillation engineer west of the River Neretva is familiar with the work of Professor Zarko Olujic. His distillation laboratory at the Technical University of Delft (The Netherlands; www.tudelft.nl) is one of the largest and best facilities in the history of distillation. His work is typically funded by a consortium of companies that, most recently, included Bayer, BASF, Evonik, DSM, Montz...
http://www.che.com/extras/pdf/Zarkos-challenge_6030.html
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.che.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.che.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.che.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.che.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.che.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.che.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.che.com/extras/pdf/Crossover-Applications-for-the-ASME-Bioprocessing-Equipment-Standard_6047.html
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