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Displaying 481 - 500 of 1648 stories.
December 1, 2010
As level is a critical parameter for those in the chemical process industries (CPI), level measurement instrumentation has been around for some time. But as processors scramble to become more efficient, reduce waste, control inventory and abide by environmental regulations, level measurement has become even more important. As a result, device manufacturers are improving existing technologies with...
http://www.chemengonline.com/extras/pdf/Level-Measurement-On-the-Level_6199.html
December 1, 2010
      MSA     Software now available for bump testing gas detectors As part of the Altair 4X Gas Detector (photo), a new Altair 4 QuickCheck Station software version is available and is currently installed in production units. This version allows the Altair 4 QuickCheck Station to bump test both Altair 4 and Altair 4X Gas Detectors. — MSA, Pittsburgh, Pa.    ...
http://www.chemengonline.com/extras/pdf/Focus-on-Personal-Protective-Equipment_6206.html
December 1, 2010
Chemicals in production and laboratory environments alike have three distinct lifecycle phases: the first is procurement and inventory storage; the second is use in a manufacturing process or research program; and the third is post-use, including onsite handling, removal and beneficial reuse, recycle or disposal. A number of considerations including regulations, safety, material utilization efficiency...
http://www.chemengonline.com/extras/pdf/Chemical-Lifecycle-Management_6207.html
December 1, 2010
Reciprocating compressors — the most commonly used type of compressor throughout the chemical process industries (CPI) — are flexible and efficient, and they can generate high head (from several bar to several thousand bar) independent of gas density. Worldwide, the installed reciprocating compressor horsepower is approximately two times that of centrifugal compressors. However, the maintenance...
http://www.chemengonline.com/extras/pdf/Optimizing-Reciprocating-Compressors-for-CPI-Plants_6208.html
December 1, 2010
Total and CPI to study coal-to-olefins petrochemical project in China  November 5, 2010 — Total S.A. (Paris, France; www.total.com) and the Chinese energy group China Power Investment Corp. (CPI) intend to build a coal-based petrochemical plant in China. The two companies signed a letter of understanding to study the construction of a plant in Inner Mongolia. Both companies will now launch a...
http://www.chemengonline.com/extras/pdf/Plant-Watch-Mergers-and-Acquisitions_6209.html
November 1, 2010
Municipal Solid Waste to Energy Conversion Processes: Economic, Technical and Renewable Comparisons. By Gary C. Young. John Wiley and Sons, Inc. 111 River St., Hoboken, NJ 07030. Web: wiley.com. 2010. 384 pages. $89.95. Reviewed by Tom McGowan, TMTS Associates Inc. Atlanta, Ga. This book on converting municipal solid waste (MSW) to energy focuses on new developments in the area, with an emphasis on plasma...
http://www.chemengonline.com/extras/pdf/Municipal-solid-waste-to-energy-book-reviewed-by-Tom-McGowan_6096.html
November 1, 2010
Aerzen Maschinenfabrik GmbH (Aerzen, Germany; www.aerzen.com) has commercialized the first rotary lobe compressor, the Delta Hybrid, which combines the technologies of both a rotary lobe blower and a screw compressor. This union reduces the energy consumption by up to 15% compared to conventional compressors, says the company. Whereas the Roots principle of isochoric compression is most suitable for...
http://www.chemengonline.com/extras/pdf/A-new-twist-in-compressor-design-reduces-energy-consumption_6097.html
November 1, 2010
A microreactor system for producing hydrogen peroxide from H2 and O2 has been developed by Sohei Matsumoto and Tomoya Inoue at the Research Center for Ubiquitous MEMS and Micro Engineering, National Institute of Advanced Industrial Science and Technology (AIST; Tsukuba, Japan; unit.aist.go.jp/umemsme/cie), in collaboration with Mitsubishi Gas Chemical Inc. (MGC, Tokyo, (www.mgc.co.jp), with funding from...
http://www.chemengonline.com/extras/pdf/The-direct-synthesis-of-aqueous-H2O2-solutions_6098.html
November 1, 2010
In order to shift the country’s energy base from petroleum, the Indonesian government has implemented a policy aimed at shifting to coal. Because low-rank coal (LRC) accounts for about 80% of the nation’s coal resources, effective utilization of these reserves will be vital to its energy security. A step in this direction is being taken by JGC...
http://www.chemengonline.com/extras/pdf/Coal-slurry-fuel_6099.html
November 1, 2010
BASF SE (Ludwigshafen, Germany; www.basf.com) has developed an industrially viable process for synthesizing metal organic frameworks (MOFs), and plans to scaleup the process within the next two years. MOFs are crystalline compounds consisting of metal ions or clusters coordinated to often rigid organic molecules to form one-, two-, or three-dimensional...
http://www.chemengonline.com/extras/pdf/Making-MOFs-on-an-industrial-scale_6101.html
November 1, 2010
Construction has started in Qinzhou, China, on the first commercial plant to use a new process for producing fuels from oil shale, to be imported from Indonesia. The process was developed by China Chemical Economical Cooperation Center (CCECC) and AuraSource, Inc. (Chandler, Ariz.; www.aurasourceinc.com), which is building the plant in a joint venture with two Hong Kong partners. When the plant starts up...
http://www.chemengonline.com/extras/pdf/An-oil-shale-process-will-be-commercialized-in-China_6102.html
November 1, 2010
A combined coal-gasification and methane-reforming process using coal char as catalyst has been developed by a team from the Chinese Academy of Sciences [Qingdao Institute of Bioenergy & Bioprocess Technology (english.qibebt.cas.cn), and the Institute of Coal Chemistry (english.sxicc.cas.cn)] and from the Center for Energy, University of Western Australia (UWA; Perth; www.uwa.edu.au). Team leader...
http://www.chemengonline.com/extras/pdf/Making-syngas-from-coal-in-one-step_6103.html
November 1, 2010
A hydrometallurgical process for nickel laterite deposits — believed to be the only process capable of treating any laterite deposits, from limonitic to saprolitic ores, in a single flowsheet — has been developed by Direct Nickel Pty. Ltd. (DNi; Sydney, Australia; www.directnickel.com). Researchers from CSIRO’s Minerals Down Under Flagship (www.csiro.au), are supporting DNi’s...
http://www.chemengonline.com/extras/pdf/A-less-expensive-process-for-leaching-Ni-from-laterite_6104.html
November 1, 2010
Evonik Industries’ business unit Performance Polymers (www.evonik.com) is planning to construct a new plant for the production of methyl methacrylate (MMA) monomer, using its newly developed proprietary Aveneer process. When the plant starts up in 2014, it will produce 150,000–200,000 m.t./yr of MMA using, for the first time, the Aveneer process. The location of the new facility will be decided...
http://www.chemengonline.com/extras/pdf/Commercial-debut-slated-for-a-new-MMA-process_6105.html
November 1, 2010
Much attention over the past two years has been focused on alternative energy and green chemistry. So it is particularly appropriate that Chemical Engineering’s (CE) 2010 Personal Achievement Award recognizes two individuals with expertise in those fields. Last month, at an award ceremony held at the ChemInnovations Conference and Exhibition in Houston, Tom McGowan, a longtime consultant in biomass...
http://www.chemengonline.com/extras/pdf/2010-CE-Personal-Achievement-Award_6107.html
November 1, 2010
BioAir Solutions Clean the air from wastewater treatment plants without carbon Using its proprietary EcoBase synthetic media, this firm has developed a line of odor control products (photo) that remove both organic and inorganic odorous compounds from the airstreams of industrial wastewater-treatment plant. Units are available for covering airstreams from 100 to 100,000 ft3/min. The EcoBase media provides...
http://www.chemengonline.com/extras/pdf/Focus-on-Process-Water-Treatment_6111.html
November 1, 2010
When automating fluid handling processes, it is critical to ensure that you are using the best type of pump for the process, and to understand how to control the type of pump you are using. The two major classes of process pumps — centrifugal and rotary positive displacement — require completely different control techniques. It is important to understand each pump type’s limitations, and...
http://www.chemengonline.com/extras/pdf/Process-Pump-Control_6112.html
November 1, 2010
Last month, I had the rare honor of sitting down with about 40 students from Booker T. Washington High School’s engineering magnet school (Houston), who are all on the path toward careers in science and engineering. While the experience itself was inspirational, it also caused me to reflect — again — on what defines inspiring chemical engineering practice. My encounter was at a student...
http://www.chemengonline.com/extras/pdf/A-passion-for-breakthroughs_6113.html
November 1, 2010
When tanks are draining, the potential may exist for a swirling vortex to form leading from the liquid surface to any of the bottom-exit or side-exit nozzles connected to downstream piping (Figure 1). One important aspect of the vortex is whether it will entrain air or other gases into the discharge flow. Such vapor entrainment can lead to a host of problems, ranging from vacuum collapse of the supply...
http://www.chemengonline.com/extras/pdf/Predict-and-Prevent-Air-Entrainment-in-Draining-Tanks_6114.html
November 1, 2010
Measurement of fluids’ viscosity in the chemical process industries (CPI) can represent a useful “product dimension” for manufacturers. Understanding a material’s flow characteristics is valuable in predicting several parameters relevant to many CPI processes, including pumpability, pourability, performance in a dipping or coating operation, ease of handling or processing. The...
http://www.chemengonline.com/extras/pdf/Viscosity-Measurement_6115.html
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