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Graphene improves the performance of water deionization

A research team from the University of South Australia (Adelaide; www.unisa.edu.au) and the East China Normal University (Shanghai; www.ecnu.edu.cn) has developed a capacitive deionization technology (CDI) that uses graphene-like nanoflakes as electrodes, instead of conventionally used activated carbon (AC) materials.…

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Zero-liquid-discharge desalination system offers brine disposal alternative

A desalination system developed by Watervap LLC (Marble Hill, Ga.; www.h2ovap.com) separates saltwater of any concentration into highly purified water and dry solid minerals with high efficiency. The company’s Zero Liquid Discharge (ZLD) process represents a low-cost alternative to brine…

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A new catalyst for C-C and crossed-coupling

Tokyo Chemical Industry Co. (TCI; Tokyo; www.tokyokasei.co.jp) is planning full-scale production of a new palladium-complex catalyst, trade-named SingaCycle-E1, for performing Heck-Mizoroki carbon-carbon coupling reactions and the Suzuki-Miyaura cross-coupling reaction — both reactions of importance for producing pharmaceuticals. TCI says SingaCycle-E1…

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Scaleup is set for a biomass-to-fuels process

The Gas Technology Institute (GTI, Des Plaines, Ill.; www.gastechnology.org) has signed an exclusive worldwide licensing agreement with CRI/Criterion Inc. (Houston; www.cricatalyst.com) to commercialize a GTI process for converting biomass directly into cellulosic gasoline and diesel fuel blendstocks. The technology, called…

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Plans move forward for the first U.S. uranium plant in 30 years

Energy Fuels Inc. (Lakewood, Colo.; www.energyfuels.com) has been granted a radioactive materials license by the Colorado Department of Public Health and Environment for the first uranium mill to be built in the U.S. in 30 years. Energy Fuels says the…

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A streamlined pre-treatment process for algae biodiesel

A pulsed-electric-field (PEF) pre-treatment technology to facilitate extraction of oils from algae cells was introduced recently by Diversified Technologies Inc. (Bedford, Mass.; www.divtecs.com). Algae have drawn considerable interest as a renewable source of biofuels, but the costs of algae-derived fuels…

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Nippon Ketjen introduces new catalysts for residue hydrotreating

Nippon Ketjen Co. (Tokyo; www.nippon-ketjen.co.jp) has developed two new catalysts with enhanced properties for petroleum residue hydrotreating. KFR 15 removes metallic impurities, and KFR 93 removes sulfur from residues and contributes to the efficiency of residue hydrotreating units. For the…

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Nanoparticle alloy could be an alternative to palladium

Kyoto University (Kyoto, www.kuchem.kyoto-u.ac.jp) professor Hiroshi Kitagawa has developed technology for synthesizing nanoscale particles of alloyed metals that could lead to alternatives to industrially important, but expensive, metals such as Pd and rare earth metals. Kitagawa’s group has used the…

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Hybrid inorganic-organic membrane has enhanced stability

A silica-based amorphous material in which silicon atoms are linked to organic groups, as well as to oxygen, creates a pore network that tolerates aggressive chemical environments more effectively than conventional polymeric or ceramic membranes. Licensed by membrane manufacturer Pervatech…

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Recovering rare earth metals from used light bulbs

Up to now, used energy-saving light bulbs have been processed by recycling firms that recover the various components, such as glass, metal, plastics and mercury. However, the remaining luminescent powders, which contain high concentrations of rare earth elements (REEs), are…