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41 Newest Publications about the topic bulk chemicals

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Tailoring Copper Oxide Semiconductor Nanorod Arrays for Photoelectrochemical Reduction of Carbon Dioxide to Methanol

24-May-2013 | Krishnan Rajeshwar, Norma R. de Tacconi, Ghazaleh Ghadimkhani, Wilaiwan Chanmanee, Csaba Janáky, ChemPhysChem, 2013

Abstract Solar photoelectrochemical reduction of carbon dioxide to methanol in aqueous media was driven on hybrid CuO/Cu2O semiconductor nanorod arrays for the first time. A two‐step synthesis was designed and demonstrated for the preparation of these hybrid copper oxide one‐dimensional ...

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Chemocatalytic Conversion of Ethanol into Butadiene and Other Bulk Chemicals

23-May-2013 | Carlo Angelici, Bert M. Weckhuysen, Pieter C. A. Bruijnincx, ChemSusChem, 2013

Abstract The development of new and improved processes for the synthesis of bio‐based chemicals is one of the scientific challenges of our time. These new discoveries are not only important from an environmental point of view, but also represent an important economic opportunity, provided that ...

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The Road for Nanomaterials Industry: A Review of Carbon Nanotube Production, Post‐Treatment, and Bulk Applications for Composites and Energy Storage

12-Apr-2013 | Qiang Zhang, Jia‐Qi Huang, Wei‐Zhong Qian, Ying‐Ying Zhang, Fei Wei, Small, 2013

Abstract The innovation on the low dimensional nanomaterials brings the rapid growth of nano community. Developing the controllable production and commercial applications of nanomaterials for sustainable society is highly concerned. Herein, carbon nanotubes (CNTs) with sp2 carbon bonding, ...

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Catalytic Hydrogenation of Cyclic Carbonates: A Practical Approach from CO2 and Epoxides to Methanol and Diols

14-Nov-2012 | Zhaobin Han, Liangce Rong, Jiang Wu, Lei Zhang, Zheng Wang, Kuiling Ding, Angewandte Chemie International Edition, 2012

Two birds with one stone: The simultaneous production of two important bulk chemicals, methanol and ethylene glycol, from CO2 and ethylene oxide has been achieved under mild conditions by the highly efficient homogeneous catalytic hydrogenation of ethylene carbonate in the presence of a ...

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Chemical modification of biomass residues during hydrothermal carbonization – What makes the difference, temperature or feedstock?

29-Oct-2012 | Katja Wiedner, Christophé Naisse, Cornelia Rumpel, Alessandro Pozzi, Peter Wieczorek, Bruno Glaser, Organic Geochemistry, 2012

Hydrothermal carbonization (HTC) of biomass may be a suitable technique to increase its carbon sequestration potential when applied to soils. However, the properties of end products of HTC (hydrochars) could be significantly influenced by feedstock source and temperature during the carbonization ...

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Fabrication of low surface free energy automotive clear coats: Mechanical and surface chemistry studies

18-Oct-2012 | A. Mohammad Rabea, M. Mohseni, H. Yari, B. Ramezanzadeh, Journal of Applied Polymer Science, 2012

Abstract This work aims at improving the surface chemistry and the mechanical properties of a commercial acrylic–melamine clear coat using a functional siliconized additive. The resistance of films against biological degradation was then investigated using pancreatin (simulated bird droppings) ...

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Depletion of Lubricity Improvers from Hydrotreated Renewable and Ultralow-Sulfur Petroleum Diesels by Marine Microbiota

18-Oct-2012 | David M. Stamper; Robert E. Morris; Michael T. Montgomery, Energy & Fuels, 2012

Relative to the high-sulfur diesel in use for decades, the U.S. Navy is facing exposure to new fuels that may behave differently in the marine environment. This laboratory work investigated the effects of biofouling and seawater exposure to high-sulfur diesel, ultralow-sulfur diesel, ...

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Plasma Deactivation of Endotoxic Biomolecules: Vacuum Ultraviolet Photon and Radical Beam Effects on Lipid A

01-Oct-2012 | Ting‐Ying Chung, Ning Ning, Jhih‐Wei Chu, David B. Graves, Elliot Bartis, Joonil Seog, Gottlieb S. Oehrlein, Plasma Processes and Polymers, 2012

Abstract It is widely accepted that plasma‐generated energetic and reactive species are responsible for plasma‐induced sterilization; however, how these species act alone or synergistically to deactivate endotoxic biomolecules is not completely understood. Using a vacuum beam system, we study ...

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Selective Conversion of Cellulose into Bulk Chemicals over Brønsted Acid Promoted Ruthenium Catalyst: One-Pot vs Sequential Process

19-Sep-2012 | Zhijie Wu; Shaohui Ge; Chunxiao Ren; Minghui Zhang; Alex Yip; Chunming Xu, Green Chemistry, 2012

Acid hydrolysis and hydrogenation/hydrogenolysis reactions can be combined for catalytic conversion of cellulose into renewable biorefinery feedstocks by using two heterogeneous catalysts: sulfonic acid (-SO3H) functionalized mesoporous silica (MCM-41) and Ru/C. The combination is suitable for a ...

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A Study of Chemical Modifications of a Nafion Membrane by Incorporation of Different Room Temperature Ionic Liquids

25-Jun-2012 | M. V. Martínez de Yuso, L. A. Neves, I. M. Coelhoso, J. G. Crespo, J. Benavente, E. Rodríguez‐Castellón, Fuel Cells, 2012

Abstract Surface and bulk chemical changes in a Nafion membrane as a result of room temperature ionic liquids (RTILs) incorporation were determined by X‐ray photoelectron spectroscopy (XPS) and elemental analysis, respectively. RTILs with different physicochemical properties were selected. Two ...

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