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Displaying 521 - 540 of 1630 stories.
September 1, 2010
The deposition and accumulation of suspended and dissolved particles on membrane surfaces leads to performance loss. Fouling can dramatically reduce the efficiency and economic benefits of a membrane process. The type of fouling and how strongly it appears depends on several parameters, including the following: • Nature of solutes and solvents • Membrane process • Pore-size distribution...
http://www.che.com/extras/pdf/Controlling-Membrane-Fouling_5950.html
September 1, 2010
Starting around 1970, many new contacting devices became available for use in distillation, absorption and stripping columns. Those devices included high-performance random packings, structured packings, high-capacity structured packings, augmented crossflow trays, counterflow trays and cocurrent flow trays. At the request of FRI’s membership, many of those devices were tested in FRI’s 4-ft and...
http://www.che.com/extras/pdf/Fractionation-Column-Pushing-capacity-limits_5951.html
September 1, 2010
As potential threats continue to make headline news around the world, it is clear that the need for security measures is an ongoing process, and that this process requires vigilance. The chemical process industries (CPI) are considered part of the critical infrastructure in the U.S., and as such are regulated by the U.S. Dept. of Homeland Security (DHS; Washington, D.C.; www.dhs.gov) under the Chemical...
http://www.che.com/extras/pdf/Securing-the-Chemical-Process-Industries_5953.html
September 1, 2010
Athough the municipal water demand is considerably greater than that of industry, many of the municipal needs are addressed by relatively basic technologies, while industrial requirements can only be met with advanced treatment options. And, as industrial water demands continue to grow due to regulatory restrictions and mandates, water treatment providers are developing innovative desalination...
http://www.che.com/extras/pdf/Desalination-From-Sea-to-Shining-Sea_5954.html
September 1, 2010
Pfeiffer Vacuum A new line of turbomolecular vacuum pumps HiPace M (photo) is a new series of magnetically levitated turbopumps that cover the pumping speeds of 300, 700 and 800 L/s and achieve high compression ratios for all gases. A special rotor design delivers unlimited rotor service life and dependable operation, says the manufacturer. With Protection Class IP 54, these pumps are suitable for use in...
http://www.che.com/extras/pdf/September-New-Products-International_5955.html
September 1, 2010
The first ChemInnovations 2010 Conference and Expo (www.cpievent.com) is designed to provide engineers in the chemical process industries (CPI) with tools and knowledge for solving today’s complicated processing challenges. Scheduled to take place at the Reliant Center in Houston October 19–21, ChemInnovations is expected to attract over 150 exhibitors and more than 2,000 attendees...
http://www.che.com/extras/pdf/ChemInnovations-2010-Show-Preview_5956.html
September 1, 2010
The Water Environment Federation (WEF; Alexandria, Va.; www.wef.org) will host the 83rd annual Weftec technical exhibition and conference October 2–6 at the Morial Convention Center in New Orleans. The largest water-quality conference in North America, Weftec 2010 features 112 technical sessions, along with 35 workshops and six local facility tours. Its technical program and exhibition are designed...
http://www.che.com/extras/pdf/WefTec-2010-Show-Preview_5957.html
September 1, 2010
Pagenkemper Roller Tutin Sautter Muzyka James Diamantis becomes director of strategic accounts for Wayne Chemicals (Fort Wayne, Ind.). Bernhard Pagenkemper becomes sales director for the machinery div. of Haver & Boecker (Oelde, Germany). Colfax Corp. (Richmond, Va.), a manufacturer of fluid-handling solutions, promotes William Roller to executive...
http://www.che.com/extras/pdf/Wolfgang-Sautter-becomes-managing-director-at-Voith-Turbo-BHS-Getriebe-GmbH-_5958.html
September 1, 2010
As components of chemical research facilities, fume-hood exhaust systems for laboratory workstations are often taken for granted. Yet the choice of exhaust system, when designing or specifying a laboratory workstation, can have a tremendous impact on the safety of the laboratory building’s occupants as well as those in adjacent buildings. The choice of a fume-hood exhaust system can also affect a...
http://www.che.com/extras/pdf/Selecting-Laboratory-Exhaust-Systems_5964.html
September 1, 2010
The ever-increasing cost of fuel and relentless push for environmental responsibility are constant factors in the profitability of many chemical process operations, and fluctuations in the prices of natural gas and other fuels can make it hard to predict future energy costs and the impact of such fluctuations on profits. However, the impact of fluctuating fuel costs, and the regulatory uncertainty related...
http://www.che.com/extras/pdf/Recover-Waste-Heat-From-Fluegas_5965.html
September 1, 2010
Polymeric piping systems have been used in well-defined segments of the chemical process industries (CPI) for decades. They have proven their sustainability to manage almost any chemical load up to temperatures of 100°C in the moderate pressure region ( p < 10 bar) if the choice of the respective piping-system material has been made correctly. However, their potential of exceptional performance is...
http://www.che.com/extras/pdf/Polymer-Based-Piping-Systems-in-the-CPI_5966.html
September 1, 2010
Dow Corning considers biomass plant to produce steam and electricity August 20, 2010 — Dow Corning’s (Midland, Mich.; www.dowcorning.com) Midland manufacturing site is considering the installation of a biomass-powered energy facility to provide a renewable, reliable and cost-effective supply of steam and electricity necessary for the site’s operations. Cirque Energy, LLC, which would...
http://www.che.com/extras/pdf/Dow-Corning-considers-biomass-plant-to-produce-steam-and-electricity-and-more-business-news_5967.html
September 1, 2010
If the debate that culminated in passage of national healthcare reform in the U.S. is any indication of what is ahead for pharmaceutical manufacturers, they should ready themselves for battle. Implementation of the sweeping measure puts the onus on drugmakers to minimize waste and boost production of active pharmaceutical ingredients (APIs) and finished products, ensuring affordable healthcare for...
http://www.che.com/extras/pdf/Counting-On-Process-Analytical-Technology_5968.html
September 1, 2010
Temperature is a critical measurement in the chemical process industries (CPI). If a measurement is not accurate or reliable, or the sensor is incorrectly chosen, it can cost a company thousands of dollars in wasted steam, extra feedstock or rejected product. Sometimes even a few degrees of error in a temperature measurement can be very expensive. Therefore, it pays to ensure that temperature measurements...
http://www.che.com/extras/pdf/Applying-CPI-Temperature-Sensors_5969.html
September 1, 2010
No More Guessing! Measure Color For Optimal Quality. The UltraScan VIS spectrophotometer objectively qualifies slight lot differences in yellowness and color for clear and chromatic chemicals. (Dry or Liquid, hot or cold, large or very, very small samples.) Generate an electronic record of the test results. Download Tech Notes. www.hunterlab.com/Industry/Chemical   www.hunterlab.com  703-471-6870...
http://www.che.com/extras/pdf/September-Literature-Reviews_5973.html
August 1, 2010
ACS 239th Annual Meeting and Exposition. American Chemical Society Meetings (Washington, D.C.). Phone: 800-227-5558; Web: acs.org Boston, Mass. Aug. 22–26 International Acid Gas Injection Symposium. Sphere Technology Connection Ltd. (Calgary, Alta.). Phone: 403-619-6215; Fax: 888-984-4941; Web: agis2010.spheretechconnect.com Calgary, Alta., Canada Sept. 27–30 3rd Intl. Symposium on Green...
http://www.che.com/extras/pdf/Calendar-August-to-November-2010_5871.html
August 1, 2010
Dow Water and Process Solutions (DW&PS; Minneapolis, Minn.; www.dowwaterandprocess.com), a business unit of The Dow Chemical Co., unveiled a simplified electrodeionization (EDI) product at the recent Singapore International Water Week event. The new version of the product reduces operating costs for industrial water treatment by up to 15% compared to its predecessor. The Dow Electrodeionization 310...
http://www.che.com/extras/pdf/Simplified-electrodeionization-technology-reduces-operating-costs_5872.html
August 1, 2010
Calsmelt Pty Ltd. (Melbourne, Australia; www.calsmelt.com) is marketing a new carbothermic process for producing metallic aluminum. Tradenamed Thermical, the process is said to entail significant advantages over Alcoa’s carbothermic process, the Advanced Reactor Process (ARP). Under development for several years, carbothermic technology aims to eventually displace the standard Hall-Héroult...
http://www.che.com/extras/pdf/This-new-process-promises-substantial-savings-for-aluminum-production_5873.html
August 1, 2010
A process that promises a significant reduction in the cost of removing sulfur from coal-derived synthesis gas (syngas) will be tested in a 50-MWe demonstration unit at Tampa (Fla.) Electric Company’s 250-MWe integrated gasification-combined cycle (IGCC) power plant. RTI International (Research Triangle Park, N.C.; www.rti.org), the developer of the technology, has awarded a contract for front-end...
http://www.che.com/extras/pdf/High-temperature-process-cuts-the-cost-of-syngas-cleanup_5874.html
August 1, 2010
A next-generation, carbon-enhanced membrane-bioreactor (MBR) system improves treatment of industrial wastewater with high organic content and containing compounds that resist microbial breakdown. The system allows economic reuse of wastewater or discharge to meet stringent environmental standards. The new MBR, dubbed EcoRight, will be commercially available in early 2011. First envisioned by Saudi Aramco...
http://www.che.com/extras/pdf/Membrane-bioreactor-technology-improves-treatment-of-high-organic-content-water_5875.html
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