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The Selective Oxidation Of N Butane To Maleic Anhydride Over Model Vanadium Phosphorus Oxide Catalysts
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Book Synopsis The Selective Oxidation of N-butane to Maleic Anhydride Over Model Vanadium-phosphorus Oxide Catalysts by : Thomas Patrick Moser
Download or read book The Selective Oxidation of N-butane to Maleic Anhydride Over Model Vanadium-phosphorus Oxide Catalysts written by Thomas Patrick Moser and published by . This book was released on 1984 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrothermal Synthesis of Vanadium Phosphorus Oxide Catalysts for Selective Oxidation of N-butane to Maleic Anhydride by : Mohd. Hasbi Ab. Rahim
Download or read book Hydrothermal Synthesis of Vanadium Phosphorus Oxide Catalysts for Selective Oxidation of N-butane to Maleic Anhydride written by Mohd. Hasbi Ab. Rahim and published by . This book was released on 2006 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Physicochemical Characterization of Vanadium Phosphorus Oxide Catalyst for Selective Oxidation of N-Butane to Maleic Anhydride by : Ahmad Raslan Mat Hussin
Download or read book Synthesis and Physicochemical Characterization of Vanadium Phosphorus Oxide Catalyst for Selective Oxidation of N-Butane to Maleic Anhydride written by Ahmad Raslan Mat Hussin and published by . This book was released on 2006 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Characterisation at Vanadium Phosphorus Oxide Catalysts for Butane Oxidation to Maleic Anhydride by : Raja Lafi Al-Otaibi
Download or read book Preparation and Characterisation at Vanadium Phosphorus Oxide Catalysts for Butane Oxidation to Maleic Anhydride written by Raja Lafi Al-Otaibi and published by . This book was released on 2010 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Physico-chemical Properties of Nanosized Vanadium Phosphorus Oxide, and Its Use as Catalyst in Selective Oxidation of N-butane to Maleic Anhydride by : Nurul Suziana Nawi @ Mohamed
Download or read book Synthesis and Physico-chemical Properties of Nanosized Vanadium Phosphorus Oxide, and Its Use as Catalyst in Selective Oxidation of N-butane to Maleic Anhydride written by Nurul Suziana Nawi @ Mohamed and published by . This book was released on 2011 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Characterisation of Vanadium Phosphorus Oxide Catalysts for Butane Oxidation to Maleic Anhydride by : Raja Lafi Al-Otaibi
Download or read book Preparation and Characterisation of Vanadium Phosphorus Oxide Catalysts for Butane Oxidation to Maleic Anhydride written by Raja Lafi Al-Otaibi and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis aims the study of new preparative routes to get catalyst precursors VOHPO4.0.5H2O with good catalytic performance for the selective oxidation of n-butane to maleic anhydride. The use of octane as co-solvent shows a significant effect on the morphology of VOHPO4.0.5H2O precursor which was prepared via three different routes. The reaction of VOPO4.2H2O with octane solvent shows the possibility of the intercalation of the octane solvent between the layers of VOPO4.2H2O. This can lead to the formation of VOHPO4.0.5H2O precursors with a new morphology after the reduction step using 1-butanol. In addition, the use of octane as co-solvent with 1-butanol leads to the formation of VOHPO4.0.5H 2O with a different XRD pattern and new morphology. Testing these samples shows that the samples with rosette morphology exhibit the highest conversion and selectivity compared with the new materials prepared. We demonstrate that the use of seed crystals of vanadium phosphate can have a dramatic influence on the morphology and phase identity of the precursor materials. VOHPO4.0.5H2O was prepared from VOPO 4.2H2O using 1- and 3-octanol, 2-butanol and 2-methyl-1-propanol as both solvent and reducing agent. With 1-octanol the reaction temperature was found to be crucial in obtaining a high yield of the precursor phase, and at temperatures ≥160°C a solution, containing V4+ ions formed in preference to VOHPO4.0.5H2O. However, VOHPO4.0.5H2O formation can be achieved by the addition of a small amount of V-P-O materials as seeds if carrying out the reduction process above this temperature. In contrast, when 3-octanol is used, VO(H 2PO4)2 is formed solely, but in the presence of a V-P-O seed significant amounts of VOHPO4.0.5H2O can also be formed. Studying the reaction time online shows that VO(H2PO 4)2 could be transformed to VOHPO4.0.5H2 O, which has been attempted previously without success. Finally, testing these samples under reaction conditions shows that they demonstrate high selectivity toward MA and good conversion compared to VO(H2PO4) 2. Vanadium phosphate catalysts have successfully been prepared in aqueous media using hydrogen. The catalysts precursors obtained were poorly crystalline VOHPO4.05H2O and a minor amount of an impurity detected by a reflection in the XRD pattern. Activating these materials for n-butane oxidation show low selectivity of MA (5%), which could be attributed to the presence of V(V) phases after activation.
Book Synopsis Selective Oxidation of N-butane to Maleic Anhydrice Over Vanadium Phosphorus Oxide Catalysts Prepared in Organic and Aqueous Media by : Fearghal Dason
Download or read book Selective Oxidation of N-butane to Maleic Anhydrice Over Vanadium Phosphorus Oxide Catalysts Prepared in Organic and Aqueous Media written by Fearghal Dason and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metal Oxides in Heterogeneous Catalysis by : Jacques C. Vedrine
Download or read book Metal Oxides in Heterogeneous Catalysis written by Jacques C. Vedrine and published by Elsevier. This book was released on 2018-01-11 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxides in Heterogeneous Catalysis is an overview of the past, present and future of heterogeneous catalysis using metal oxides catalysts. The book presents the historical, theoretical, and practical aspects of metal oxide-based heterogeneous catalysis. Metal Oxides in Heterogeneous Catalysis deals with fundamental information on heterogeneous catalysis, including reaction mechanisms and kinetics approaches.There is also a focus on the classification of metal oxides used as catalysts, preparation methods and touches on zeolites, mesoporous materials and Metal-organic frameworks (MOFs) in catalysis. It will touch on acid or base-type reactions, selective (partial) and total oxidation reactions, and enzymatic type reactions The book also touches heavily on the biomass applications of metal oxide catalysts and environmentally related/depollution reactions such as COVs elimination, DeNOx, and DeSOx. Finally, the book also deals with future trends and prospects in metal oxide-based heterogeneous catalysis. Presents case studies in each chapter that provide a focus on the industrial applications Includes fundamentals, key theories and practical applications of metal oxide-based heterogeneous catalysis in one comprehensive resource Edited, and contributed, by leading experts who provide perspectives on synthesis, characterization and applications
Book Synopsis An Investigation of Active and Selective Oxygen in Vanadium Phosphorus Oxide Catalysts for N-butane Conversion to Maleic Anhydride by : Mark Edward Lashier
Download or read book An Investigation of Active and Selective Oxygen in Vanadium Phosphorus Oxide Catalysts for N-butane Conversion to Maleic Anhydride written by Mark Edward Lashier and published by . This book was released on 1989 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanostructured Catalysts by : Christian Hess
Download or read book Nanostructured Catalysts written by Christian Hess and published by Royal Society of Chemistry. This book was released on 2011-07-22 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book gives a comprehensive up-to-date summary of the existing information on the structural/electronic properties, chemistry and catalytic properties of vanadium and molybdenum containing catalysts. It discusses the importance of nanoscience for the controlled synthesis of catalysts with functional properties and introduces the necessary background regarding surface properties and preparation techniques, leading from a textbook level to the current state of knowledge. Then follows an extensive survey and analysis of the existing open and patent literature - an essential knowledge source for the development of the new generation of partial oxidation catalysts. Important examples from current research on partial oxidation reactions are reviewed from experts in the field. The next chapter discusses the importance of 2- and 3-dimensional model systems for a fundamental understanding of the structure of transition metal oxide catalysts and its correlation to reactivity. Finally, an outlook on research opportunities within the area of partial oxidation reactions is presented.
Book Synopsis The Preparation and Characterisation of Vanadium Phosphate Catalysts for the Selective Oxidation of N-butane to Maleic Anhydride by : Jonathan Keith Bartley
Download or read book The Preparation and Characterisation of Vanadium Phosphate Catalysts for the Selective Oxidation of N-butane to Maleic Anhydride written by Jonathan Keith Bartley and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precision Process Technology by : M.P.C. Weijnen
Download or read book Precision Process Technology written by M.P.C. Weijnen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: New process technology strategies are required to cope with the future. Fossil feedstocks are losing ground in favour of renewable feedstocks and secondary resources. Conventional processing routes using thermal `sledgehammer' techniques are replaced by highly selective (bio)catalytic conversions. The future process engineer is neither allowed to think in terms of unit operations, nor to take for granted the conventional practice of continuous steady state processing. Hybrid systems and transient operations are more and more frequently encountered. The continuing impressive progress being made in process modelling and control will revolutionize the process industries. In the new generation of chemical production processes the keyword is precision. Precision in terms of selectivity and of efficiency, is required to maximize the utilisation of materials and energy. Moreover, enhanced precision is needed to exploit the quality of materials and energy to the full extent. Only by reducing the squandering of materials, energy and quality will a harmonious relationship be established between the process industries, the economy, and the environment. Process integration, as well as an integrated effort by the disciplines involved in process technology, will be of crucial importance in attaining the goals of precision process technology. These emerging strategies involve an active exchange of tools and ideas between a variety of disciplines, not only in plant design and operation, but even more in the early stages of process development and design. By looking from various angles at what the future has in store for the process industries, this volume systematically lifts the corners of the veil and may inspire to establish a new tradition of precision in process technology.
Book Synopsis New Aspects of the Selective Oxidation of N-butane to Maleic Anhydride by : Rudolf A. Overbeek
Download or read book New Aspects of the Selective Oxidation of N-butane to Maleic Anhydride written by Rudolf A. Overbeek and published by . This book was released on 1994 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bi-Fe Doping and Mechanochemical Treatment of Vanadium Phosphate Catalysts for Selective Oxidation of N-butane to Maleic Anhydride by : Chee Keong Goh
Download or read book Bi-Fe Doping and Mechanochemical Treatment of Vanadium Phosphate Catalysts for Selective Oxidation of N-butane to Maleic Anhydride written by Chee Keong Goh and published by . This book was released on 2006 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vanadium Phosphate Catalyst Synthesized by Organic Method Using Sonicated V2O5 for Selective Oxidation of N-butane to Maleic Anhydride by : Suhaizam Shahrul Affendy Suhaimi
Download or read book Vanadium Phosphate Catalyst Synthesized by Organic Method Using Sonicated V2O5 for Selective Oxidation of N-butane to Maleic Anhydride written by Suhaizam Shahrul Affendy Suhaimi and published by . This book was released on 2012 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Selective Oxidation of N-butane to Maleic Anhydride by : Manuja Ramdeen
Download or read book The Selective Oxidation of N-butane to Maleic Anhydride written by Manuja Ramdeen and published by . This book was released on 2003 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Vanadium-phosphorus-oxygen Selective Oxidation Catalysts by Sup 31 P and Sup 51 V NMR Spin-echo and Volume Susceptibility Measurements by :
Download or read book Studies of Vanadium-phosphorus-oxygen Selective Oxidation Catalysts by Sup 31 P and Sup 51 V NMR Spin-echo and Volume Susceptibility Measurements written by and published by . This book was released on 1991 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this work is to characterize the vanadium-phosphorous oxide (V-P-O) catalysts for the selective oxidation of n-butane and 1-butene to maleic anhydride. The utility of solid state nuclear magnetic resonance as an analytical tool in this investigation lies in its sensitivity to the electronic environment surrounding the phosphorous and vanadium nuclei, and proximity of paramagnetic species. Spin-echo mapping NMR of 31p and 51v and volume magnetic susceptibility measurements were used as local microscopic probes of the presence of V{sup 5+}, V{sup 4+}, V{sup 3+} species in the model compounds: [beta]-VOPO4, [beta]-VOPO4 treated with n-butane/1-butene, (VO)2P2O-- treated with n-butane/1-butene; and industrial catalysts with P/V (phosphorus to vanadium) ratio of 0.9, 1.0 and 1.1, before and after treatment with n-butane and 1-butene. The NMR spectra provide a picture of how the oxidation states of vanadium are distributed in these catalysts. 73 refs., 32 figs., 8 tabs.
