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Adding gallium to biomass pyrolysis catalyst increases BTX yield

A new catalyst design, in which gallium atoms are integrated into the zeolite catalyst structure, can increase yields of aromatic compounds from biomass by 40% in a catalytic fast-pyrolysis process. The higher yields of benzene, toluene and xylenes (BTX), as…

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Improved heavy-crude conversion process boosts diesel yields

A proprietary nanoscale catalyst and an updated engineering design have allowed higher conversion rates for transforming the heaviest fractions of crude oil, known as vacuum residue, into high-value transportation fuels, such as diesel. Developed by UOP LLC (Des Plaines, Ill.;…

Heavy-metal removal process joins advantages of two existing technologies

A newly demonstrated system for removing trace levels of heavy metals from water combines the positive traits of two existing technologies — chemical precipitation and electrowinning — while avoiding drawbacks of each. An engineering team at Brown University (Providence, R.I.;…

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Slash energy consumption with this microwave-heated mixing system

A microwave vessel heating system — said to be the first commercial, industrial-scale system of its kind — has been developed by Marion Mixers (Marion; www.marionmixers.com) in partnership with AMTek Microwave (Cedar Rapids, both Iowa; www.4amtek.com) with patent pending technology…

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Demonstration for integrated production of bioethanol

Oji Paper Co. (OJI; www.ojipaper.co.jp), in collaboration with Nippon Steel Engineering Co. (www.nsc-eng.co.jp) and the National Institute of Advanced Industrial Science and Technology (AIST; all Tokyo, Japan; www.aist.go.jp), has started pilot testing of a new, integrated process for making cellulose-based…

The potential for reducing CO2 in steel production

A reduction of CO2 emissions of 50% can be achieved in steelmaking, using renewable carbon from biomass, according to The Australian Steel Industry CO2 Breakthrough Program, an R&D program conducted by a team from: BlueScope Steel Research (Port Kembla, New…

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February Chementator Briefs

  Fine polyester fibers Teijin Fibers Ltd. (Tokyo, Japan; teijinfiber.com), the core company of the Teijin Groups polyester-fiber business, is commercializing a new version of its Nanofront, high-strength polyester nanofiber with a diameter of 400 nm — nearly half that…

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A simulation demonstrates the potential of NH3 as a power source

Harnessing renewable energy by catalytic dissociation and synthesis of ammonia has shown promise for distributed power applications, according to a team from the Center for Energy at the University of Western Australia (www.uwa.edu.au), led by professor Dongke Zhang. In the…

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Next-generation cross-coupling reactions

Professor Kenichiro Itami and coworkers at at Nagoya University (Nagoya, Japan; synth.chem.nagoya-u.ac.jp) have developed a new, next-generation type of cross-coupling reaction for synthesizing biphenyl compounds — one of the most important backbone structures for pharmaceutical and electronics chemicals. The chemists…

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pH Electrodes and Temperature Dependence

Acidity is a critical parameter in the chemical process industries, and accurate measurements of pH can be important indicators for process quality control. A refreshed understanding of pH measurement can help to overcome process-specific challenges to measurement and to select…