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September Chementator Briefs

  Artificial photosynthesis Scientists at Panasonic Corp.(Osaka, Japan; www.pana sonic.com) have developed an artificial photosynthesis system that utilizes sunlight to convert CO2 to organic materials (mainly formic acid) at what is said to be the highest efficiency yet achieved (0.2%).…

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This new pump system improves efficiency for desalination operations

A new hydraulically driven, positive-displacement-pump system can lower the energy requirements for pumping water by 10% in large seawater reverse osmosis (SWRO) desalination plants, where electricity typically represents the largest cost. Recently launched by GE Water & Power (www.ge-energy.com) at…

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A move toward bio-based malic acid, acrylic acid and butadiene

A move toward bio-based malic acid... Novozymes A/S (Copenhagen, Denmark; www.novozymes.com) has developed a strain of metabolically engineered Aspergillus oryzae fungus that is capable of producing the four-carbon, dicarboxylic acid compound malic acid. The chemical building block malic acid is…

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A high-temperature F-T process demonstrated in China

Synfuels China Technology Co. (Beijing; www.synfuelschina.com.cn) says it has developed a high-temperature slurry Fischer-Tropsch (F-T) process (flowsheet) that produces mainly clean diesel, naphtha and liquefied petroleum gas (LPG) products, with unique features including: high productivity of proprietary catalyst; efficient recovery…

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Making synthetic rubber from biomass

Ajinomoto Co., Inc. (www.ajinomoto.com) and Bridgestone Corp. (Both Tokyo, Japan; www.bridgestone.com) have jointly developed a bio-based, high- cis-polyisoprene synthetic rubber. The two companies began an R&D cooperation in June 2011 to combine their know-how — Ajinomoto’s state-of-the-art fermentation technologies for…

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Detecting sub-50-nm particles in ultrapure water

A new particle-size measurement technique has been developed and used to evaluate filter retention efficiency for particles with an average diameter of 12 nm by C.T. Associates Inc. (Eden Prairie, Minn.; www.ctassociatesinc.com) and W.L. Gore and Associates (Newark, Del.; www.gore.com).…

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August Chementator Briefs

  A new electrolysis cell At Achema 2012, ThyssenKrupp Uhde GmbH (Dortmund, Germany; www.uhde.eu) introduced a new generation of its single-element electrolysis cell, Generation 6, which offers improved energy consumption and increased active-membrane area. These improvements are due to an…

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A self-healing dynamic membrane

French researchers from the Institut Européen des Membranes (CNRS/ENSCM, Université Montpiellier; www.iemm.univ-mont2.fr) and the Institut de Chimie Radicalaire (CNRS, Aix-Marseille Université) have developed what is claimed to be the first dynamic membrane for water filtration that not only can adjust…

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Methane recovery from a trona mine

Last month, Solvay Group (Brussels, Belgium; www.solvay.com) unveiled a methane recovery system (the MaRS Project) that captures methane liberated by mining trona ore (trisodium hydrogendicarbonate dihydrate), and pipes the gas to nearby processing facilities as a fuel for process heating.…

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Scaleup of a CTL process with carbon capture

The Yankuang Group (Zoucheng City, Shandong Province; www.ykjt.cn), one of China’s largest coal companies, and Accelergy Corp. (Houston; www.accelergy.com), are jointly developing a large-scale, low-carbon, coal-to-liquids (CTL) plant incorporating both direct and indirect liquefaction, in Erdos in China’s Inner Mongolia…