Autothermal Reforming of Methane to Hydrogen Production Over Cobalt-nickel Catalyst Supported MgO Solid Solution PDF Download
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Author:
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages :
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Author: Tutuk Djoko Kusworo
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages :
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Author: Dushyant Shekhawat
Publisher: Elsevier
ISBN: 0444535640
Category : Technology & Engineering
Languages : en
Pages : 569
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Book Description
Fuel Cells: Technologies for Fuel Processing provides an overview of the most important aspects of fuel reforming to the generally interested reader, researcher, technologist, teacher, student, or engineer. The topics covered include all aspects of fuel reforming: fundamental chemistry, different modes of reforming, catalysts, catalyst deactivation, fuel desulfurization, reaction engineering, novel reforming concepts, thermodynamics, heat and mass transfer issues, system design, and recent research and development. While no attempt is made to describe the fuel cell itself, there is sufficient description of the fuel cell to show how it affects the fuel reformer. By focusing on the fundamentals, this book aims to be a source of information now and in the future. By avoiding time-sensitive information/analysis (e.g., economics) it serves as a single source of information for scientists and engineers in fuel processing technology. The material is presented in such a way that this book will serve as a reference for graduate level courses, fuel cell developers, and fuel cell researchers. - Chapters written by experts in each area - Extensive bibliography supporting each chapter - Detailed index - Up-to-date diagrams and full colour illustrations
Author: Ji Siang Tan
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 108
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Book Description
Increased concerns on anthropogenic greenhouse gas emissions have renewed interest in the CO2 (dry) reforming process as an alternative to steam reforming for synthesis gas production from natural gas. For hydrocarbon dry reforming, where the product stream H2:CO ratio is less than 3, synfuel production is more amenable and acceptable for downstream methanol and other oxygenated synthesis. However, dry reforming is highly endothermic, and suffers from carbon-induced catalyst deactivation. This thesis therefore investigates and evaluates the performance of methane dry reforming process at different operation conditions such as reaction temperature and feed composition, and the effects of loaded metals (Mo and Ni) on alumina-supported Co-based catalyst. Runs of the methane dry reforming experiment were conducted in a computer-controlled fixebed reactor at different feed compositions and reaction temperature. Both MoO3 and NiO phases were formed during wetness co-impregnation with a mixture of deionized water and alumina support as measured in X-ray diffraction. Temperature-programmed calcination showed that the transformations from MoO3 to CoMoO4 phase and NiO to NiAl2O4 phase were a 2 step process involving the formation of an oxidation intermediate form. Calcination of co-impregnated catalysts at 500 0C for 5 h appeared to be optimal preparation condition for H2 selectivity. Al2O3 support was the best support to give the highest H2 to CO ratio. Second metal promotion did not alter reaction rate significantly. However the interaction of loaded metal oxides with the surface carbonaceous species resulted in substantially reduced carbon deposition on Co-based catalyst, with Ni providing the greatest coking resistance compared to Mo. A quantitative relationship between activation energy and feed composition of CO2:CH4 ( 1:1, 2:1 and 3:1 ) as well as reaction temperatures (923 K, 953 K and 973 K) was obtained over bimetallic 5%Ni-10%Co/Al2O3 catalyst which gave the highest value of H2/CO ratio in the methane dry reforming process. Methane dry reforming activity was stable with time-on-stream for 4 h.
Author: Mohammad Reza Rahimpour
Publisher: Elsevier
ISBN: 0323985009
Category : Technology & Engineering
Languages : en
Pages : 598
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Book Description
Advances in Synthesis Gas: Methods, Technologies and Applications: Syngas Production and Preparation is a collection of various chapters concerning many aspects of syngas production technologies, including common methods like gasification, steam/dry/autothermal reforming, membrane technology, etc., along with novel methods like plasma technology, micro-reactors, electrolysis processes as well as photocatalytic systems. In addition, different sources for producing syngas, including oil, crude oil, heavy oil, microalgae, black liquor, tar and bitumen, as well as municipal, agricultural, food, plastic, wood and cardboard wastes are described in detail. - Introduces syngas characteristics and its properties - Describes various methods and technologies for producing syngas - Discusses syngas production from different roots and feedstocks
Author:
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages :
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Author: Waralee Marungrueang
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 160
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Book Description
The cobalt catalysts (cobalt content by weight: 7%, 10% and 15%) and cobalt-nickel bimetallic catalysts (cobalt-nickel content by weight: 3.5%-3.5%, 5%-5%, 7%-7%, 10%-10% and 15%-15%) were studied in dry reforming of methane for hydrogen and synthesis gas production. All catalysts were synthesized by the wetness impregnation method. The dry reforming of methane was carried out at 700oC, atmosphere pressure using a mixture; CH4 and CO2 in ratio 1:1. It was found that, after 120 minutes, the catalysts that gave the best methane conversion are 10%Co/Al2O3 (61.86%) for mono-metallic catalysts and 10%Ni-10%Co/Al2O3 (96.86%) for bimetallic catalysts. Moreover, the effect of adding potassium promoter to 10%Ni-10%Co/Al2O3 catalyst was studied. The methane conversion of potassium promoted 10%Ni-10%Co/Al2O3 catalyst was slightly lower than one without potassium. However, the adding of promoter could significantly decrease the carbon content on the catalysts.
Author: Bamidele Victor Ayodele
Publisher: Springer Nature
ISBN: 9819762820
Category :
Languages : en
Pages : 232
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Book Description
Author: Michalis Konsolakis
Publisher: MDPI
ISBN: 303842286X
Category : Science
Languages : en
Pages : 301
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Book Description
This book is a printed edition of the Special Issue "Surface Chemistry and Catalysis" that was published in Catalysts
Author: Sachin Kumar
Publisher: Springer
ISBN: 8132227735
Category : Technology & Engineering
Languages : en
Pages : 350
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Book Description
This contributed volume aims to provide latest updates in the area of bioenergy including biodiesel, bioethanol, biomethanation, biomass gasification, and biomass cook-stove. The proceedings of ICRABR 2015 include cutting edge research vital to R&D organizations, academics, and the industry to promote and document the recent developments in the area of bioenergy for all types of stakeholders. The volume highlights the needs of biofuels and their market, the barriers and challenges faced by biofuels and bioenergy and future strategies required to foster new ideas for research, collaboration and commercialization of bioenergy. The major themes of this contributed volume are: Biomass and Energy Management ;Thermochemical Conversion Processes; Biochemical Conversion Processes; Catalytic Conversion Processes; Electrochemical Processes; Waste Treatment to Harvest Energy; and Integrated Processes. The contents of the volume will appeal to students, researchers, professionals, and policymakers in the field of bifuels and bioenergy.
