Cu/SBA-15 Model Catalysts for Methanol Steam Reforming PDF Download
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Author: Gregor Koch
Publisher: Logos Verlag Berlin
ISBN: 9783832541316
Category : Metal catalysts
Languages : en
Pages : 0
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Book Description
In this book, the Cu/SBA-15 model catalyst for methanol steam reforming is described in detail. This study is an exemplarily road map for investigating model catalysts. The mesoporous structure of SBA-15 support, the structure of supported copper nanoparticles and their activity with regard to H2 production are presented. Based on that, structure activity correlations are deduced. Moreover, relationships between the structure of precursors and the structure of active catalysts are deduced. Therefore several analytical are presented: N2 Physisorption, DR-UV/Vis, in situ XANES, TPR, in situ XRD, specific copper surface area (N2O), size and strain analysis of copper nanoparticles, H2 production by methanol steam reforming.The reliable analysis procedure of each experimental method is described and can be principally employed on similarly constructed catalysts.
Author: Gregor Koch
Publisher: Logos Verlag Berlin
ISBN: 9783832541316
Category : Metal catalysts
Languages : en
Pages : 0
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Book Description
In this book, the Cu/SBA-15 model catalyst for methanol steam reforming is described in detail. This study is an exemplarily road map for investigating model catalysts. The mesoporous structure of SBA-15 support, the structure of supported copper nanoparticles and their activity with regard to H2 production are presented. Based on that, structure activity correlations are deduced. Moreover, relationships between the structure of precursors and the structure of active catalysts are deduced. Therefore several analytical are presented: N2 Physisorption, DR-UV/Vis, in situ XANES, TPR, in situ XRD, specific copper surface area (N2O), size and strain analysis of copper nanoparticles, H2 production by methanol steam reforming.The reliable analysis procedure of each experimental method is described and can be principally employed on similarly constructed catalysts.
Author:
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110376385
Category : Science
Languages : en
Pages : 218
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Book Description
Zeitschrift für Kristallographie. Supplement Volume 34 presents the complete Abstracts of all contributions to the 22nd Annual Conference of the German Crystallographic Society in Berlin 2014: - Celebration of the “International Year of Crystallography 2014” - Plenary Talks - Microsymposia - Poster Session Supplement Series of Zeitschrift für Kristallographie publishes Abstracts of international conferences on the interdisciplinary field of crystallography.
Author: Worajit Setthapun
Publisher:
ISBN:
Category :
Languages : en
Pages : 390
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Author: Michele Aresta
Publisher: John Wiley & Sons
ISBN: 9783527629923
Category : Science
Languages : en
Pages : 414
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Book Description
Filling the need for an up-to-date handbook, this ready reference closely investigates the use of CO2 for ureas, enzymes, carbamates, and isocyanates, as well as its use as a solvent, in electrochemistry, biomass utilization and much more. Edited by an internationally renowned and experienced researcher, this is a comprehensive source for every synthetic chemist in academia and industry.
Author: José María Encinar Martín
Publisher: MDPI
ISBN: 3036509089
Category : Science
Languages : en
Pages : 200
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Book Description
In this book, the performance of homogeneous and heterogeneous catalysts applied in biomass processing was assessed, paying special attention to the main advantages and challenges related to their use. Indeed, these challenges are opportunities to develop new research lines that could be fruitful in the near future. Thus, different studies are included, dealing with diverse subjects, with one main goal in common: the improvement of different aspects related to biomass processing through the use of catalysts.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Mohd Ridzuan Azis
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 49
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Book Description
The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions.The increasing concentrations of the greenhouse gases in the atmosphere, where the major contribution comes from carbon dioxide (CO2). The result from a continued increase in CO2 concentration will cause major changes in global climate .Due to high concentration of CO2 in the environment, advanced oxidation process (AOP) was proposed. AOP is a process in which the oxidative capacity of a parent compound is modified to make oxidation-reduction reactions more rapid or complete. Due to the best properties that it can retain at high themperature and thermal stability SBA-15 has been chosen as catalysts. SBA-15 and Cu supported mesoporous siliceous SBA-15catalysts have been prepared by direct synthesis methods and wetness impregnation method, respectively and are systematically characterized. The characterizations of the synthesized samples were done using Fourier Transforms Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Thermal Gravimetric analysis (TGA) and X-ray diffraction (XRD). The FTIR analysis shows that when SBA-15 was doped with copper, the % transmittance of the spectral had decreased. From the SEM analysis, the surface morphology of SBA-15 was changed from smooth to course and irregular structure due to existence of Cu in SBA-15. XRD measurement shows that the amorphous phase for pure SBA-15 was changed to crystalline phase when Cu was deposited into SBA-15 proving that Cu present in the SBA-15 structure. The TGA analysis shows that with existence of Cu in SBA-15, enhanced the thermal stability properties of catalysts. Thermo gravimetric analysis shows that the copper deposition on SBA-15 is stable up to a temperature of 515 °C and that the copper decomposes between 515 °C and 798 °C. The results of the FTIR, SEM, XRD and TGA testify completely that the Cu was incorporated into the framework sites of the SBA-15.
Author: Sang-Eon Park
Publisher: Elsevier
ISBN: 0080472176
Category : Technology & Engineering
Languages : en
Pages : 626
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Book Description
Addressing global environmental problems, such as global warming is essential to global sustainability. Continued research leads to advancement in standard methods and produces new data. Carbon Dioxide Utilization for Global Sustainability: Proceedings of the 7th ICCDU (International Conference on Carbon Dioxide Utilization) reflects the most recent research results, as well as stimulating scientific discussions with new challenges in advancing the development of carbon dioxide utilization. Drawing on a wealth of information, this well structured book will benefit students, researchers and consultants looking to catch up on current developments in environmental and chemical engineering. * Provides comprehensive data on CO2 utilisation* Contains up-to-date information, including recent research trends* Is written for students, researchers and consultants in environmental and chemical engineering
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 364
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Author: Jerzy Skrzypek
Publisher:
ISBN:
Category : Catalysis
Languages : en
Pages : 174
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Book Description
