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Displaying 21 - 40 of 804 stories.
June 1, 2013
Selecting air-pollution control equipment can be tricky. It’s not only difficult to determine which pollutants must be controlled, but also which type of equipment will best control them to required levels for any given process or facility because there is no “one-size-fits-all” solution. Technologies that successfully control pollutants in one facility may not work as well in another...
http://www.che.com/news/Controlling-Air-Pollutants_10556.html
June 1, 2013
Industrial uses of high-intensity ultrasound have grown tremendously over the past 25 years, says Kenneth Suslick, professor of chemistry at the University of Illinois at Urbana-Champaign and one of the pioneers in the field. Ultrasonic welding of plastics is universal, ultrasonic cleaning of equipment has replaced most solvent and vapor degreasing, and it is even routine for homes to have ultrasonic...
http://www.che.com/news/Sonochemistry-makes-its-mark_10565.html
May 1, 2013
Increasing production of crude oil from shale deposits in the U.S. and oil sands in Canada offers North American petroleum refiners opportunities to access cost-advantaged feedstock. However, shifting product demand and hurdles in transportation logistics, along with technical issues associated with the properties of the crude from those areas, present challenges as refiners optimize their product mix...
http://www.che.com/news/Petroleum-Refining-Outlook_10443.html
May 1, 2013
The U.S. Occupational Safety and Health Admin. (OSHA; Washington, D.C.; www.osha.gov) has flagged combustible dusts as one of its top issues since the Imperial Sugar Mill explosion in Port Wentworth, Georgia, that killed 14 employees and injured many others in February 2008. Combustible dust is, in fact, one of OSHA’s National Emphasis Programs (NEPs).   The situation today Despite the...
http://www.che.com/news/Combustible-Dust-safety_10456.html
April 1, 2013
The continuous quest to maximize process efficiency and boost product performance, in which all sectors of the chemical process industries (CPI) are engaged, is driving demand for technologically advanced coatings. And engineering at the nanoscale level is an increasingly common avenue to reach these goals in commercial coatings. Progress in nano steps As the traditional coatings market continues to grow...
http://www.che.com/news/Nano-engineering-infuses-growing-coatings-market_10370.html
April 1, 2013
Single-use equipment has come a long way from its modest origins as a convenient storage and transportation method. As a matter of fact, recent market trends and business drivers have made disposable equipment, with its inherent benefits, so attractive to the biotechnology and biopharmaceutical industries that they’ve begun requesting and implementing entire systems for use throughout the process...
http://www.che.com/news/Single-Use-Strategies_10374.html
March 1, 2013
Bob Katin, chairman of the California Government Relations Committee of the American Institute of Chemical Engineers (AIChE) and president of the California Legislative Council of Professional Engineers (CLCPE), is a persistent man. For more than 20 years he has fought to change the California Professional Engineers Act (PE Act) so that chemical engineers would have parity with civil engineers. In the...
http://www.che.com/news/Professional-Bureaucracy_10250.html
March 1, 2013
Because many of their products go directly to the ultimate end user, polymer and plastic processors are being asked to make their final products safer. Both consumers and governments alike are demanding that plastics, especially those that are destined for food contact, contain lower residual solvent and monomer levels. At the same time, the biopolymer industry is exploding and processors want to get in on...
http://www.che.com/news/Trends-in-polymer-processing_10260.html
February 1, 2013
Unlike fossil fuels or precious metals, phosphorus has no alternatives — we (and all other life forms on the planet) need phosphorus; it’s in our DNA, our bones and our energy-producing chemicals (ATP). We get it from our food — meat, grains and vegetables — so it’s not surprising that phosphorus is a key ingredient in fertilizer, as well as a component of sewage, manure and...
http://www.che.com/news/P-recovery-on-the-move_10144.html
February 1, 2013
Whether for pumping, mixing, compression or ventilation, motors are used everywhere in the chemical process industries (CPI). Unfortunately, they are notoriously energy intensive, accounting for about 65% of the electrical consumption of a chemical production site. However, with the world, especially the U.S. and Europe, turning a watchful eye on energy consumption, motor and drive manufacturers are...
http://www.che.com/news/Motors-Taming-the-CPIs-Energy-Beast_10152.html
January 1, 2013
In the processing environment, powders often appear to exhibit variable flow behavior, which can be the cause of significant inefficiency in the form of unplanned shut downs or compromised product quality. However, the reality is that powder flow properties are influenced by a diverse array of parameters from air and moisture content to particle size, shape and surface charge.  Figure 1. The new...
http://www.che.com/news/WANTED-Repeatability-and-Consistency-for-Powder-Flow-Measurement_10062.html
January 1, 2013
Note: Deadline for nominations has been extended to March 22. Many of you know of a company — perhaps your own employer — that has recently commercialized an innovative process, product, or other chemical-engineering development. If so, we would like to hear from you. Nominations are open for this magazine’s 2013 Kirkpatrick Chemical Engineering Achievement Award. We aim to honor the...
http://www.che.com/news/Kirkpatrick-Chemical-Engineering-Achievement-Award_10064.html
December 1, 2012
While almost all chemical processors employ simulation software during the early design stages of new plants or new lines, simulation vendors say best-in-class facilities take the powerful tools further and use them for improving operations and profitability. And, across the board, software providers are working hard to make their most recent applications more user-friendly and accessible, so that more...
http://www.che.com/news/Simulation-for-the-Masses_9982.html
November 1, 2012
A number of factors, including plans for new plants and expansions, as well as the retirements of experienced personnel, are creating an especially competitive labor market for engineers and technical workers in the chemical process industries (CPI). The situation is placing upward pressure on salaries for chemical engineers, but continues to challenge companies in the area of knowledge management and...
http://www.che.com/news/Wanted-CPI-Engineers_9898.html
November 1, 2012
For every chemical process there are different pressure measurement requirements. Some demand devices that are compatible with a unique chemistry, others require pressure instrumentation that won’t pose a risk to workers or processes and many call for instruments that can handle a wide temperature range. However, throughout the chemical process industries (CPI), there are a few items on...
http://www.che.com/news/Under-Pressure_9902.html
October 1, 2012
Today’s chemical processors must cope with rising labor costs, increasing global competition, escalating fuel costs and more-stringent safety and environmental regulations. To improve productivity and reduce costs in today’s competitive environment, many facilities are operating leaner than even before. And, downsizing strategies have seen the reduction of maintenance staff, which often results...
http://www.che.com/news/A-Steamy-Situation_9765.html
October 1, 2012
Increasing production of natural gas from hydraulic fracturing of shale deposits has fundamentally altered the landscape of chemical production in North America. The higher margins on steam-cracking ethane to produce ethylene have resulted in significant feedstock shifts in the U.S. over the past two years. Numerous chemical producers are expanding ethylene capacity to take advantage of the increased...
http://www.che.com/news/Shale-Gas-Ushers-In-Ethylene-Feed-shifts_9834.html
September 1, 2012
It was clear at the recent Chemical Sector Security Summit (Baltimore, Md., July 31-Aug. 1) that awareness of and activity in security for the chemical process industries (CPI) are growing. The annual summit, now in its sixth year, was held at its largest venue ever and brought together about 650 participants from industry, academia and the government to network with other security professionals, share...
http://www.che.com/news/Chemical-Plant-Security-Gating-more-than-the-perimeter_9655.html
September 1, 2012
Though times are changing, many of the traditional challenges associated with running a chemical processing plant remain the same. For years processors have been asking for leak-proof, high-performance valves, but it is only recently that valve manufacturers are employing new technologies, designs and materials that improve performance and reduce leaks.   Improved Cv values “Traditionally...
http://www.che.com/news/Valves-An-Open-and-Shut-Case_9675.html
August 1, 2012
Achema 2012 — the 30th International Exhibition Congress on Chemical Engineering, Environmental Protection and Biotechnology that occurred in late June in Frankfurt am Main, Germany — took a decidedly forward-looking stance, focusing on a set of topics that the chemical process industries (CPI) will have to address in the future, including increased attention on sustainable processes and...
http://www.che.com/news/Achema-2012-takes-a-forward-view_9516.html
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