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Author : Xiaoming Wang
Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (794 download)
Download or read book Hydrogen Production from Aqueous Phase Reforming Over Carbon Nanotube Supported Catalysts written by Xiaoming Wang and published by . This book was released on 2011 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rupali R. Davda
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (89 download)
Download or read book Hydrogen Production by Aqueous-phase Reforming of Oxygenated Hydrocarbons Over Supported Metal Catalysts written by Rupali R. Davda and published by . This book was released on 2004 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Novel Reforming Catalysts written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Aqueous phase reforming is useful for processing oxygenated hydrocarbons to hydrogen and other more useful products. Current processing is hampered by the fact that oxide based catalysts are not stable under high temperature hydrothermal conditions. Silica in the form of structured MCM-41 is thermally a more stable support for Co and Ni than conventional high surface area amorphous silica but hydrothermal stability is not demonstrated. Carbon nanotube supports, in contrast, are highly stable under hydrothermal reaction conditions. In this project we show that carbon nanotubes are stable high activity/selectivity supports for the conversion of ethylene glycol to hydrogen.
Author : John W. Shabaker
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (89 download)
Download or read book Hydrogen Production by Aqueous Phase Reforming of Light Oxygenated Hydrocarbons written by John W. Shabaker and published by . This book was released on 2004 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexey V. Kirilin
Publisher :
ISBN 13 : 9789521229749
Total Pages : pages
Book Rating : 4.2/5 (297 download)
Download or read book Aqueous-phase Reforming of Renewables for Selective Hydrogen Production in the Presence of Supported Platinum Catalysts written by Alexey V. Kirilin and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammad Mizanur Rahman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (911 download)
Download or read book Selective Synthesis of Hydrogen from Aqueous-phase Reforming of Glycerol Over Supported Metal Catalysts written by Mohammad Mizanur Rahman and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dmitri A. Bulushev
Publisher : MDPI
ISBN 13 : 3039363808
Total Pages : 122 pages
Book Rating : 4.0/5 (393 download)
Download or read book Advanced Catalysis in Hydrogen Production from Formic Acid and Methanol written by Dmitri A. Bulushev and published by MDPI. This book was released on 2020-06-18 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue is related to studies of the hydrogen production from formic acid decomposition. It is based on five research papers and two reviews. The reviews discuss the liquid phase formic acid decomposition over bimetallic (PdAg), molecular (Ru, Ir, Fe, Co), and heterogenized molecular catalysts. The gas-phase reaction is studied over highly dispersed Pd, Pt, Au, Cu, and Ni supported catalysts. It is shown that the nature of the catalyst’s support plays an important role for the reaction. Thus, N-doping of the carbon support provides a significant promotional effect. One of the reasons for the high activity of the N-doped catalysts is the formation of single-atom active sites stabilized by pyridinic N species present in the support. It is demonstrated that carbon materials can be N-doped in different ways. It can be performed either directly from N-containing compounds during the carbon synthesis or by a post-synthetic deposition of N-containing compounds on the carbon support with known properties. The Issue could be useful for specialists in catalysis and nanomaterials as well as for graduate students studying chemistry and chemical engineering. The reported results can be applied for development of catalysts for the hydrogen production from different liquid organic hydrogen carriers.
Author : Detlef Stolten
Publisher : John Wiley & Sons
ISBN 13 : 352767389X
Total Pages : 882 pages
Book Rating : 4.5/5 (276 download)
Download or read book Transition to Renewable Energy Systems written by Detlef Stolten and published by John Wiley & Sons. This book was released on 2013-05-13 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this ready reference, top academic researchers, industry players and government officers join forces to develop commercial concepts for the transition from current nuclear or fossil fuel-based energy to renewable energy systems within a limited time span. They take into account the latest science and technology, including an analysis of the feasibility and impact on the environment, economy and society. In so doing, they discuss such complex topics as electrical and gas grids, fossil power plants and energy storage technologies. The contributions also include robust, conceivable and breakthrough technologies that will be viable and implementable by 2020.
Author : Deniz Uner
Publisher : CRC Press
ISBN 13 : 1498729983
Total Pages : 410 pages
Book Rating : 4.4/5 (987 download)
Download or read book Advances in Refining Catalysis written by Deniz Uner and published by CRC Press. This book was released on 2017-03-16 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: To meet changing market demands that have stringent emission standards and to ensure proper performance in refinery units, evaluation of novel catalyst designs and results from material characterization and testing of catalysts are of crucial importance for refiners as well as for catalyst manufacturers. This book highlights recent developments in the application of refinery catalysts in selected units such as fluid catalytic cracking (FCC), hydrogen production for hydroprocessing units, hydrotreating, hydrocracking, and sustainable processing of biomass into biofuels.
Author : Shahid ul-Islam
Publisher : John Wiley & Sons
ISBN 13 : 1119818796
Total Pages : 555 pages
Book Rating : 4.1/5 (198 download)
Download or read book Handbook of Biomass Valorization for Industrial Applications written by Shahid ul-Islam and published by John Wiley & Sons. This book was released on 2022-01-05 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: HANDBOOK of BIOMASS VALORIZATION for INDUSTRIAL APPLICATIONS The handbook provides a comprehensive view of cutting-edge research on biomass valorization, from advanced fabrication methodologies through useful derived materials, to current and potential application sectors. Industrial sectors, such as food, textiles, petrochemicals and pharmaceuticals, generate massive amounts of waste each year, the disposal of which has become a major issue worldwide. As a result, implementing a circular economy that employs sustainable practices in waste management is critical for any industry. Moreover, fossil fuels, which are the primary sources of fuel in the transportation sector, are also being rapidly depleted at an alarming rate. Therefore, to combat these global issues without increasing our carbon footprint, we must look for renewable resources to produce chemicals and biomaterials. In that context, agricultural waste materials are gaining popularity as cost-effective and abundantly available alternatives to fossil resources for the production of a variety of value-added products, including renewable fuels, fuel components, and fuel additives. Handbook of Biomass Valorization for Industrial Applications investigates current and emerging feedstocks, as well as provides in-depth technical information on advanced catalytic processes and technologies that enable the development of all possible alternative energy sources. The 22 chapters of this book comprehensively cover the valorization of agricultural wastes and their various uses in value-added applications like energy, biofuels, fertilizers, and wastewater treatment. Audience The book is intended for a very broad audience working in the fields of materials sciences, chemical engineering, nanotechnology, energy, environment, chemistry, etc. This book will be an invaluable reference source for the libraries in universities and industrial institutions, government and independent institutes, individual research groups, and scientists working in the field of valorization of biomass.
Author : Vivek Polshettiwar
Publisher : John Wiley & Sons
ISBN 13 : 1118609808
Total Pages : 670 pages
Book Rating : 4.1/5 (186 download)
Download or read book Nanocatalysis written by Vivek Polshettiwar and published by John Wiley & Sons. This book was released on 2013-09-06 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exhibiting both homogeneous and heterogeneous catalytic properties, nanocatalysts allow for rapid and selective chemical transformations, with the benefits of excellent product yield and ease of catalyst separation and recovery. This book reviews the catalytic performance and the synthesis and characterization of nanocatalysts, examining the current state of the art and pointing the way towards new avenues of research. Moreover, the authors discuss new and emerging applications of nanocatalysts and nanocatalysis, from pharmaceuticals to fine chemicals to renewable energy to biotransformations. Nanocatalysis features contributions from leading research groups around the world. These contributions reflect a thorough review of the current literature as well as the authors’ first-hand experience designing and synthesizing nanocatalysts and developing new applications for them. The book’s nineteen chapters offer a broad perspective, covering: Nanocatalysis for carbon-carbon and carbon-heteroatom coupling reactions Nanocatalysis for various organic transformations in fine chemical synthesis Nanocatalysis for oxidation, hydrogenation, and other related reactions Nanomaterial-based photocatalysis and biocatalysis Nanocatalysts to produce non-conventional energy such as hydrogen and biofuels Nanocatalysts and nano-biocatalysts in the chemical industry Readers will also learn about the latest spectroscopic and microscopy tools used in advanced characterization methods that shed new light on nanocatalysts and nanocatalysis. Moreover, the authors offer expert advice to help readers develop strategies to improve catalytic performance. Summarizing and reviewing all the most important advances in nanocatalysis over the last two decades, this book explains the many advantages of nanocatalysts over conventional homogeneous and heterogeneous catalysts, providing the information and guidance needed for designing green, sustainable catalytic processes.
Author : Pravesh Chandra Shukla
Publisher : Springer Nature
ISBN 13 : 9819913926
Total Pages : 349 pages
Book Rating : 4.8/5 (199 download)
Download or read book Renewable Fuels for Sustainable Mobility written by Pravesh Chandra Shukla and published by Springer Nature. This book was released on 2023-05-06 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume discusses the use of renewable fuels for clean transportation and its applications on internal combustion engines. The contents focus on the key aspects of fuel production processes and its impact on various segments of the transportation sector and for sustainable mobility. Several kinds of fuels are assessed such as biofuels, alcohols, and hydrogen, and their effects on the combustion process are characterized by application. This volume will be of use to those working in academia and industry as well as energy experts and policy makers.
Author : Monika Bosilj
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)
Download or read book Directing Nitrogen-doped Carbon Support Chemistry for Improved Aqueous Phase Hydrogenation Catalysis written by Monika Bosilj and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Selective hydrogenations in the aqueous phase are an important transformation in the context of developing biorefinery concepts. In this report the application and optimisation of nitrogen-doped carbon (NDC) supported Pd nanoparticles as hydrogenation catalysts is discussed in the context of directing support (e.g. N) chemistry for improved catalytic performance in the aqueous phase. As a demonstrative example, the aqueous phase hydrogenation of phenol to cyclohexanone (e.g. a platform for polyamide production) is utilised. Catalyst supports were prepared based on an initial hydrothermal synthesis to yield NDC xerogels (from biomass precursors), the chemistry of which (e.g. functionality) was directed using a secondary thermal carbonisation (Tc) step at different temperatures (i.e. 350, 550, 750, 900 and 1000 °C). After Pd introduction, it was found that size, dispersion and electronic structure of the formed nanoparticles is affected by the surface chemistry of the NDC. This consequently led to higher turn-over frequency (TOF) and stability of the prepared catalysts compared to a "nitrogen-free" carbon supported Pd and a commercial, carbon supported Pd (Pd/AC) catalyst. Pd/NDC 900 (featuring predominantly quaternary and pyridinic N) catalysed the complete conversion of phenol at 99% selectivity to cyclohexanone, with excellent stability over 11 recycles and no discernible catalyst sintering or leaching (in contrast to the commercial catalyst). High catalytic stability, activity and selectivity make the Pd/NDC 900 catalyst highly applicable for aqueous phase hydrogenation reactions, whilst the general principle opens scope for support tailoring for application (e.g. biorefinery hydrogenations) and the development of structure/activity relationships
Author : Yutichai Mueanngern
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (125 download)
Download or read book Mechanistic Studies of Crotonadehyde Partial Hydrogenation and Ethanol Steam Reforming Reactions on Planar Catalysts -- a Gas-phase and Ambient Pressure XPS Study written by Yutichai Mueanngern and published by . This book was released on 2020 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: The steam reforming reaction of ethanol to hydrogen gas was investigated on Ni/CeO2 catalysts. Here we show that the morphology of the CeO2 nanocubes-on-Ni can also act as a crucial design parameter—drastically influencing rates of hydrogen production. Controlling the coverage of CeO2 on Ni with LB deposition, reveals a non--monotonic scaling of catalytic rate with Ni--CeO2 interface sites. Hydrogen production rates was found to scale in close proportion to mesoscale interface sites iv formed by aggregates of CeO2 nanoparticles on Ni. It is established that the CeO2 phase of the catalyst helps to dissociate surface hdyroxyls durign reaction doncitions and the Ni phase of the catalyst is a good C--C bond cleavage catalyst forming carbonates and methyl groups at its surface from ethanol udner reactino reaction conditions. Herein we show NAP-XPS correlation of surface hydroxyls across various CeO2 morphologies formed by the self--assembly of CeO2 aggregates on Ni. NAP--XPS shows that the surface is most hydroxylated and at an intermediate coverage where the mesoscale interfaces are enhanced, resulting in the highest hydrogen production rate at that intermediate coverage of CeO2 on Ni. In addition, on these samples where the mesoscale interfaces are maximized, carbon nanotube networks are observed to grow on the order of millimeters from the surface under reaction conditions. Despite m5assive carbon deposition the catalyst remains highly active and shows no deactivation. For the first time, the reversible-nickel catalyzed nanotube growth process under ethanol steam reforming condition is detected in-situ using NAP-XPS. Under steam reforming conditions a carbon shell surrounding a nickel grain opens up, exposing the nickel to catalyze the formation of hydrogen products at the same time continuously catalyzing the elongation of the carbon nanotube network. Whereas in non-steam reforming conditions the nickel recedes underneath a carbon shell and the catalyst is rendered inactive. We propose that the mesoscale interfaces defined by aggregates of CeO2 nanoparticles provide an optimal surface morphology, which allows for efficient surface hydroxyl diffusion from CeO2 sites to Ni domains. The non-deactivation behavior of the Ni under ethanol steam reforming conditions can be explained by the exposed Ni grains, which opens up at the tip of carbon filament structures during steam reforming conditions as show in NAP-XPS measurements.
Author : Akshat Tanksale
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (32 download)
Download or read book Nanostructured Catalysts for H2 Production by Aqueous Phase Reforming of Sugars written by Akshat Tanksale and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vanesa Calvino-Casilda
Publisher : CRC Press
ISBN 13 : 1351786695
Total Pages : 267 pages
Book Rating : 4.3/5 (517 download)
Download or read book Nanocatalysis written by Vanesa Calvino-Casilda and published by CRC Press. This book was released on 2019-02-14 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis and design of new nanocatalysts is an important area of research that aims to introduce multiple types of useful applications in a greener market. The necessity of nanostructuring the active sites has emerged as the key point in a successful design of the catalysts. The book covers the progress in this research area done in the last ten years. It includes the classification of catalysts and structure of active sites at the nanoscale. The book covers examples to present the concept, evolution of nanocatalysts from the perspective of chemistry of materials and their applications.
Author : Faezeh Sabri
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Catalysts for Hydrogen Production by the Auto-Thermal Reforming of Glycerol written by Faezeh Sabri and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
