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Author : Indratmoko Hari Poerwanto
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (221 download)
Download or read book Modelling of the Oxidative Coupling of Methane written by Indratmoko Hari Poerwanto and published by . This book was released on 1991 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Surendran Ramasamy
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (847 download)
Download or read book Kinetics and Modeling for Oxidative Coupling of Methane for the Production Ethlene written by Surendran Ramasamy and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kritchart Wongwailikhit
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (987 download)
Download or read book Modeling of Oxidative Coupling of Methane to Ethylene with Chemical Equilibria written by Kritchart Wongwailikhit and published by . This book was released on 2013 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Equilibrium models were constructed for Oxidative Coupling of Methane reaction (OCM) with three catalysts, i.e. Mn/Na2WO4/SiO2, La2O3/CaO and PbO/Al2O3. The models were verified under operating temperatures of 650-900oC and methane to oxygen feed ratio 3-10. The compositions of methane, ethane, ethylene, hydrogen, water and carbon oxides in the effluent of each model were compared with the corresponding experiments. The suitable equilibrium model for both Mn/Na2WO4/SiO2 and PbO/Al2O3 was the trio-equilibrium reaction model, consisting of OCM and oxidative dehydrogenation model, combustion model, and hydrocracking model. While, the duo-equilibrium reaction model, containing OCM and oxidative dehydrogenation model, and combustion model, was appropriate for La2O3/CaO catalyst. The accuracy of all equilibrium models could be improved by specifying the desired ethane yield. In addition, based on the reactor performance, i.e. conversion, and yields, the limitation of the manipulated equilibrium models was evaluated within the operating temperatures and the methane to oxygen ratio above. Finally, the equilibrium models, especially the duo-equilibrium model, could be employed to predict the reactor performance containing other OCM catalysts.
Author : Surendran Ramasamy
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (959 download)
Download or read book Kinetics and Modeling for Oxidative Coupling of Methane for the Production of Ethylene written by Surendran Ramasamy and published by . This book was released on 2000 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shaoping Chen
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (969 download)
Download or read book Modeling, Simulation and Optimization for the Oxidative Coupling of Methane (OCM) in the Simulated Countercurrent Moving-bed Chromatographic Reactor (SCMCR) written by Shaoping Chen and published by . This book was released on 2002 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xiankuan Zhang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (61 download)
Download or read book Studies of Methane Oxidative Coupling with Practical Catalysts and Model Systems written by Xiankuan Zhang and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pierre-André Maitre
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Non-oxidative Coupling of Methane in Non-thermal Plasma Reactors written by Pierre-André Maitre and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ahmet Pekediz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Oxidative Coupling of Methane Staged Reactant Feeding in a Riser Simulator written by Ahmet Pekediz and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael O'Neal Nutt
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (34 download)
Download or read book Non-oxidative Coupling of Methane for Use in a Hydrogen Transporting Membrane Reactor written by Michael O'Neal Nutt and published by . This book was released on 2000 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (685 download)
Download or read book Modeling of the Simulated Countercurrent Moving-bed Chromatographic Reactor Used for the Oxidative Coupling of Methane written by and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oxidative coupling reaction of methane (OCM) is a potential industrial reaction for the efficient production of ethylene. Replacement of current technologies requires significant product yield improvements. An experimental novel reactor design, the modified simulated countercurrent moving-bed chromatographic reactor (SCMCR), has reported improved ethane and ethylene product yields over other reported values. An understanding of the reactor operation is aided by concurrent mathematical modeling. The model mimics the exact experimental reactor configuration. Four sections are used; each section contains a reaction column and two separation columns connected in series. The feed is switched from section to section at discrete intervals. Reaction occurs in the first column and is followed by product and reactant separation in the ensuing section columns. Langmuir adsorption isotherms are used. The model does not incorporate the realistic and complex kinetics rising, from the OCM, rather a simplified reaction term is used to qualitatively gain insight into the operation of the modified SCMCR. A unimolecular reaction network is used in the model. The rate constants are set to permit a small fractional conversion, 5% per pass, at the concentrations during the first cycle. Similarly to the experimental reactor, the model adds a make-up feed (defined as percentage of the original feed, where excess methane is fed during the first cycle of the experimental reactor) to augment lost reactants.
Author : Lei Luo
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (36 download)
Download or read book Simulation and Optimization of Methane Oxidative Coupling Reactors written by Lei Luo and published by . This book was released on 1996 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norhafizah Che May
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Simulation of Catalytic Membrane Reactor for Oxidative Coupling of Methane written by Norhafizah Che May and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lukas Thum
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book Transition Metal-doped Calcium Oxide as Model Catalyst for the Oxygen Activation in the Oxidative Coupling of Methane (OCM) Reaction written by Lukas Thum and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shankui Song
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (88 download)
Download or read book Simulation, Experiment, and Evaluation of Membrane Based CO 2 Gas Separation in the Downstream of Oxidative Coupling of Methane Process written by Shankui Song and published by . This book was released on 2014 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Annemie Bogaerts
Publisher : MDPI
ISBN 13 : 3038977500
Total Pages : 248 pages
Book Rating : 4.0/5 (389 download)
Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.
Author : Wolf
Publisher : Springer Science & Business Media
ISBN 13 : 9401574499
Total Pages : 556 pages
Book Rating : 4.4/5 (15 download)
Download or read book Methane Conversion by Oxidative Processes written by Wolf and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: A reasonable case could be made that the scientific interest in catalytic oxidation was the basis for the recognition of the phenomenon of catalysis. Davy, in his attempt in 1817 to understand the science associated with the safety lamp he had invented a few years earlier, undertook a series of studies that led him to make the observation that a jet of gas, primarily methane, would cause a platinum wire to continue to glow even though the flame was extinguished and there was no visible flame. Dobereiner reported in 1823 the results of a similar investigation and observed that spongy platina would cause the ignition of a stream of hydrogen in air. Based on this observation Dobereiner invented the first lighter. His lighter employed hydrogen (generated from zinc and sulfuric acid) which passed over finely divided platinum and which ignited the gas. Thousands of these lighters were used over a number of years. Dobereiner refused to file a patent for his lighter, commenting that "I love science more than money." Davy thought the action of platinum was the result of heat while Dobereiner believed the ~ffect ~as a manifestation of electricity. Faraday became interested in the subject and published a paper on it in 1834; he concluded that the cause for this reaction was similar to other reactions.
Author : D.M. Bibby
Publisher : Elsevier
ISBN 13 : 0080960707
Total Pages : 759 pages
Book Rating : 4.0/5 (89 download)
Download or read book Methane Conversion written by D.M. Bibby and published by Elsevier. This book was released on 1988-03-01 with total page 759 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume comprises the invited plenary lectures, contributed and poster papers presented at a symposium organised to mark the successful inauguration of the world's first commercial plant for production of gasoline from natural gas, based on the Mobil methanol-to-gasoline process. The objectives of the Symposium were to present both fundamental research and engineering aspects of the development and commercialization of gas-to-gasoline processes. These include steam reforming, methanol synthesis and methanol-to-gasoline. Possible alternative processes e.g. MOGD, Fischer-Tropsch synthesis of hydrocarbons, and the direct conversion of methane to higher hydrocarbons were also considered.The papers in this volume provide a valuable and extremely wide-ranging overview of current research into the various options for natural gas conversion, giving a detailed description of the gas-to-gasoline process and plant. Together, they represent a unique combination of fundamental surface chemistry catalyst characterization, reaction chemistry and engineering scale-up and commercialization.
