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Process for non-oxidative dehydrogenation of alkane
FOCUS system are discussed. The impacts of the types of non-silica carriers, preparation procedures and promoters are described. Existing issues in the present research are described.
Original Source: Xiandai Huagong/Modern Chemical Industry, Oct 2016, 36 (10), 34-37 (Website: http://www.xdhg.com.cn) © China National Chemical Information Center 2016
New ways to craft a better brew Working with a filtration equipment producer in Germany, Novozymes has developed a technology whereby enzymes can be added directly on to the filters used in cold sterile filtration. This binds and removes pollutants, while saving producers energy and cost. The new improved filters can be used multiple times. In traditional filtration processes, microorganisms are filtered out of beer using energy-intensive heating or cooling methods such as pasteurization or cold sterile filtration, and the filters can only be used a few times.
Original source: Novozymes, 6 Jan 2017, (Website: http://www.novozymes.com) © Novozymes, 2017.
ON
C ATA LY S T S
improve photochemical degradation of biological and organic contaminants in the water. The nano-composites, which are based on easily accessible natural biopolymers, are biocompatible and cheap in fabrication. Other details of the patent are discussed.
Original Source: Membrane Technology, Nov 2016, 12 (Website: http://www. membrane-technology.com) © Elsevier Ltd 2016.
Process for non-oxidative dehydrogenation of alkane This invention relates to a process for preparing a catalyst composition comprising an unsupported catalyst comprising ZrV2O7, comprising: mixing ammonium meta-vanadate and zirconyl nitrate, drying the mixture and calcining the dried mixture at a temperature range of 600-900oC. for 2-10 hours to obtain the unsupported catalyst, and mixing the unsupported catalyst with Al2O3 without heating.
Original Source: US 9,540,292, Saudi Basic Industries Corporation, Riyadh, SA 10 JAN 2017.
Catalyst preparation process Preparation of a novel Ce-doped Ti/SnO2-Sb electrode and its electro-catalytic performance Researchers at Tianjin University and Tianjin Tianda Beiyang Chemical Equipment Co Ltd have synthesized Ce-doped Ti/SnO2-Sb electrodes through ultrasonic coating-thermal decomposition. The impacts of Ce doping level and current density on the properties and stability of electrodes have been analyzed. Results of the trial revealed that exposure of Cedoped electrode coating to CeO2 can optimize the surface structure and morphology of the electrode. The resulting Ce-doped electrode has good degradation effect on p-cresol and phenol, with best degradation performance to be achieved at Ce doping level of 2% and 1%, respectively. The best degradation performance can also be met at current density of 10 mA/cm2 for phenol and 20 mA/cm2 for p-cresol.
Original Source: Xiandai Huagong/Modern Chemical Industry, Nov 2016, 36 (11), 90-93 (Website: http://www.xdhg.com.cn) © China National Chemical Information Center 2016.
PATENTS Porous nano-composite polymers for water treatment The University of Houston System in the US has been granted Patent No WO/2015/187971 (Publication date: 10 Dec 2015) for the production and application of porous nanocomposite polymers in water treatment. The nano-composites contain nanomaterials (carbon or metal oxide nanoparticles) with antimicrobial and adsorption properties for heavy metals and cations. The metal oxide particles have a photocatalytic ability to
February 2017
This invention describes a process for preparing a hydroformylation catalyst from a catalytic metal precursor, a chelating bisphosphite, and a bulky monophosphite, with a slightly greater than stoichiometric amount of chelating bisphosphite relative to catalytic metal under a CO partial pressure at least 25 psig.
Original Source: US 9,539,566, Dow Technology Investments LLC, Midland, MI, 10 JAN 2017.
Apparatus and method for heterogeneous catalytic reactions An apparatus for use in heterogeneous catalytic reactions comprising a column reactor comprising a plurality of trays mounted one above another, each adapted to hold a predetermined liquid volume and a charge of particles of a solid catalyst thereon; means for introducing a liquid phase reactant above the uppermost tray; means for introducing a vapor phase reactant below the lowermost tray; means for removing a liquid phase postreaction stream from below the lowermost tray; means for removing a vapor phase postreaction stream from above the uppermost tray; vapor upcomer means associated with each tray adapted to allow vapor to enter that tray from below; undertow means associated with each tray adapted to remove liquid from that tray and the column reactor before being introduced into the column reactor at a lower tray; means for temporarily directing said liquid removed from a tray to bypass at least one lower tray and be reintroduced to the column reactor at a tray located below said at least one bypassed tray; means for removing the liquid and catalyst from said at least one bypassed tray: and means for replacing a liquid and catalyst inventory on said at least one bypassed tray.
Original Source: US 9,539,555, Davy Process Technology Limited, London, GB 10 JAN 2017.
BOOKSHELF Contemporary Catalysis: Science, Technology, and Applications Encompassing an integrated approach to the various aspects of catalysis, this textbook covers heterogeneous, homogeneous, organo, bio-, and computational catalysis, as well as reaction and reactor engineering on an advanced level. This textbook is ideal for graduate students with diverse backgrounds, including catalysis, engineering, and organic synthesis. The basic principles of the various fields of catalysis are introduced in a concise way, preparing the reader for the more advanced chapters. Organometallic chemistry, surface science, biochemistry, nanoscience, transport phenomena and kinetics, reactor and reaction engineering are presented, spanning from the underlying science to industrial applications. Several important case studies on industrial applications are provided. The textbook addresses catalyst preparation and characterization and explores recent developments in the understanding of catalytic mechanisms, exploring advanced techniques such as operando spectroscopy.
Original Source: P. C. J. Kamer, D. Vogt, J. Thybaut (eds), 1st edn, March 2017, Royal Society of Chemistry, Cambridge, U.K., ISBN-13: 978-1849739900, 972 pp.
The Development of Catalysis: A History of Key Processes and Personas in Catalytic Science and Technology This book takes the reader through illustrations of the most crucial discoveries in catalysis while emphasizing the impacts of these discoveries on society. Readers will gain an understanding of the enormous influence that catalysis has had on the development of modern societies.
Original Source: A. Zecchina and S. Califano (authors) 1st edn, March 2017, John Wiley & Sons, Hoboken, NJ, ISBN-13: 978-1119181262, 336 pp.
Applications of EPR and NMR Spectroscopy in Homogeneous Catalysis This text reviews advances in important and practically relevant homogeneous catalytic transformations, such as single-site olefin polymerizations and chemo- and stereo-selective oxidations. Close attention is paid to the experimental investigation of the active sites of catalytic oxidation systems and their mechanisms. Major subjects include the applications of NMR and EPR spectroscopic techniques and data obtained by other physical methods. The book addresses a broad readership and focus on widespread techniques available in labs with NMR and EPR spectrometers
Original Source: E. P. Talsi, K. Bryliakov (authors) 1st edn, March 2017, CRC Press, Boca Raton, FL, USA, ISBN-13: 978-1498742634, 236 pp.
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Original Source: Xiandai Huagong/Modern Chemical Industry, Oct 2016, 36 (10), 34-37 (Website: http://www.xdhg.com.cn) © China National Chemical Information Center 2016
New ways to craft a better brew Working with a filtration equipment producer in Germany, Novozymes has developed a technology whereby enzymes can be added directly on to the filters used in cold sterile filtration. This binds and removes pollutants, while saving producers energy and cost. The new improved filters can be used multiple times. In traditional filtration processes, microorganisms are filtered out of beer using energy-intensive heating or cooling methods such as pasteurization or cold sterile filtration, and the filters can only be used a few times.
Original source: Novozymes, 6 Jan 2017, (Website: http://www.novozymes.com) © Novozymes, 2017.
ON
C ATA LY S T S
improve photochemical degradation of biological and organic contaminants in the water. The nano-composites, which are based on easily accessible natural biopolymers, are biocompatible and cheap in fabrication. Other details of the patent are discussed.
Original Source: Membrane Technology, Nov 2016, 12 (Website: http://www. membrane-technology.com) © Elsevier Ltd 2016.
Process for non-oxidative dehydrogenation of alkane This invention relates to a process for preparing a catalyst composition comprising an unsupported catalyst comprising ZrV2O7, comprising: mixing ammonium meta-vanadate and zirconyl nitrate, drying the mixture and calcining the dried mixture at a temperature range of 600-900oC. for 2-10 hours to obtain the unsupported catalyst, and mixing the unsupported catalyst with Al2O3 without heating.
Original Source: US 9,540,292, Saudi Basic Industries Corporation, Riyadh, SA 10 JAN 2017.
Catalyst preparation process Preparation of a novel Ce-doped Ti/SnO2-Sb electrode and its electro-catalytic performance Researchers at Tianjin University and Tianjin Tianda Beiyang Chemical Equipment Co Ltd have synthesized Ce-doped Ti/SnO2-Sb electrodes through ultrasonic coating-thermal decomposition. The impacts of Ce doping level and current density on the properties and stability of electrodes have been analyzed. Results of the trial revealed that exposure of Cedoped electrode coating to CeO2 can optimize the surface structure and morphology of the electrode. The resulting Ce-doped electrode has good degradation effect on p-cresol and phenol, with best degradation performance to be achieved at Ce doping level of 2% and 1%, respectively. The best degradation performance can also be met at current density of 10 mA/cm2 for phenol and 20 mA/cm2 for p-cresol.
Original Source: Xiandai Huagong/Modern Chemical Industry, Nov 2016, 36 (11), 90-93 (Website: http://www.xdhg.com.cn) © China National Chemical Information Center 2016.
PATENTS Porous nano-composite polymers for water treatment The University of Houston System in the US has been granted Patent No WO/2015/187971 (Publication date: 10 Dec 2015) for the production and application of porous nanocomposite polymers in water treatment. The nano-composites contain nanomaterials (carbon or metal oxide nanoparticles) with antimicrobial and adsorption properties for heavy metals and cations. The metal oxide particles have a photocatalytic ability to
February 2017
This invention describes a process for preparing a hydroformylation catalyst from a catalytic metal precursor, a chelating bisphosphite, and a bulky monophosphite, with a slightly greater than stoichiometric amount of chelating bisphosphite relative to catalytic metal under a CO partial pressure at least 25 psig.
Original Source: US 9,539,566, Dow Technology Investments LLC, Midland, MI, 10 JAN 2017.
Apparatus and method for heterogeneous catalytic reactions An apparatus for use in heterogeneous catalytic reactions comprising a column reactor comprising a plurality of trays mounted one above another, each adapted to hold a predetermined liquid volume and a charge of particles of a solid catalyst thereon; means for introducing a liquid phase reactant above the uppermost tray; means for introducing a vapor phase reactant below the lowermost tray; means for removing a liquid phase postreaction stream from below the lowermost tray; means for removing a vapor phase postreaction stream from above the uppermost tray; vapor upcomer means associated with each tray adapted to allow vapor to enter that tray from below; undertow means associated with each tray adapted to remove liquid from that tray and the column reactor before being introduced into the column reactor at a lower tray; means for temporarily directing said liquid removed from a tray to bypass at least one lower tray and be reintroduced to the column reactor at a tray located below said at least one bypassed tray; means for removing the liquid and catalyst from said at least one bypassed tray: and means for replacing a liquid and catalyst inventory on said at least one bypassed tray.
Original Source: US 9,539,555, Davy Process Technology Limited, London, GB 10 JAN 2017.
BOOKSHELF Contemporary Catalysis: Science, Technology, and Applications Encompassing an integrated approach to the various aspects of catalysis, this textbook covers heterogeneous, homogeneous, organo, bio-, and computational catalysis, as well as reaction and reactor engineering on an advanced level. This textbook is ideal for graduate students with diverse backgrounds, including catalysis, engineering, and organic synthesis. The basic principles of the various fields of catalysis are introduced in a concise way, preparing the reader for the more advanced chapters. Organometallic chemistry, surface science, biochemistry, nanoscience, transport phenomena and kinetics, reactor and reaction engineering are presented, spanning from the underlying science to industrial applications. Several important case studies on industrial applications are provided. The textbook addresses catalyst preparation and characterization and explores recent developments in the understanding of catalytic mechanisms, exploring advanced techniques such as operando spectroscopy.
Original Source: P. C. J. Kamer, D. Vogt, J. Thybaut (eds), 1st edn, March 2017, Royal Society of Chemistry, Cambridge, U.K., ISBN-13: 978-1849739900, 972 pp.
The Development of Catalysis: A History of Key Processes and Personas in Catalytic Science and Technology This book takes the reader through illustrations of the most crucial discoveries in catalysis while emphasizing the impacts of these discoveries on society. Readers will gain an understanding of the enormous influence that catalysis has had on the development of modern societies.
Original Source: A. Zecchina and S. Califano (authors) 1st edn, March 2017, John Wiley & Sons, Hoboken, NJ, ISBN-13: 978-1119181262, 336 pp.
Applications of EPR and NMR Spectroscopy in Homogeneous Catalysis This text reviews advances in important and practically relevant homogeneous catalytic transformations, such as single-site olefin polymerizations and chemo- and stereo-selective oxidations. Close attention is paid to the experimental investigation of the active sites of catalytic oxidation systems and their mechanisms. Major subjects include the applications of NMR and EPR spectroscopic techniques and data obtained by other physical methods. The book addresses a broad readership and focus on widespread techniques available in labs with NMR and EPR spectrometers
Original Source: E. P. Talsi, K. Bryliakov (authors) 1st edn, March 2017, CRC Press, Boca Raton, FL, USA, ISBN-13: 978-1498742634, 236 pp.
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