Homogeneous And Heterogeneous Photocatalysis
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Homogeneous And Heterogeneous Photocatalysis
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Author : E. PELIZZETTI
language : en
Publisher: Springer
Release Date : 1986-04-30
Homogeneous And Heterogeneous Photocatalysis written by E. PELIZZETTI and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-04-30 with Science categories.
Ever since the oil crisis of 1973, researchers in various fields of chemistry have proposed various schemes to conserve energy, as well to convert the sun's abundant and limitless supply of energy to produce chemical fuels (e. g. , hydrogen from water, . •. ). The enthusiasm had no previous parallel in the mid-1970's. Unfortunately, despite the several good proposals, the results have proven - in retrospect - somewhat disappointing from an economic viable point of view. The reasons for the meagre results are manyfold not the least of which are the experimental difficulties encountered in storage systems. Moreover, the lack of a concerted, well orchestrated interdisciplinary approach has been significant. By contrast, the chemical advances made in the understanding of the processes involved in such schemes have been phenomenal. A recent book on this issue ( M. Gratzel, Energy Resources through Photochemistry and Catalysis, 1983) is witness to the various efforts and approaches taken by researchers. In the recent years, many more groups have joined in these efforts, and the number of papers in the lit~rature is staggering ! One of the motives for organizing this NATO Advanced Research Workshop stemmed from our view that it was time to take stock of the accomplishments and rather than propose new schemes, it was time to consider seriously avenues that are most promising.
Heterogeneous Photocatalysis
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Author : Mario J. Muñoz-Batista
language : en
Publisher: Springer Nature
Release Date : 2020-07-01
Heterogeneous Photocatalysis written by Mario J. Muñoz-Batista and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-01 with Science categories.
The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. The chapter "Mechanochemical Forces as a Synthetic Tool for Zero and One-Dimensional Titanium Oxide-Based Nano-photocatalysts" is available open access under a CC BY 4.0 License via link.springer.com.
Heterogeneous Photocatalysis
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Author : Jennifer Strunk
language : en
Publisher: John Wiley & Sons
Release Date : 2021-08-23
Heterogeneous Photocatalysis written by Jennifer Strunk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-23 with Science categories.
Discover the latest research in photocatalysis combined with foundational topics in basic physical and chemical photocatalytic processes In Heterogeneous Photocatalysis: From Fundamentals to Applications in Energy Conversion and Depollution, distinguished researcher and editor Jennifer Strunk delivers a rigorous discussion of the two main topics in her field—energy conversion and depollution reactions. The book covers topics like water splitting, CO2 reduction, NOx abatement and harmful organics degradation. In addition to the latest research on these topics, the reference provides readers with fundamental information about elementary physical and chemical processes in photocatalysis that are extremely practical in this interdisciplinary field. It offers an excellent overview of modern heterogeneous photocatalysis and combines concepts from different viewpoints to allow researchers with backgrounds as varied as electrochemistry, material science, and semiconductor physics to begin developing solutions with photocatalysis. In addition to subjects like metal-free photocatalysts and photocarrier loss pathways in metal oxide absorber materials for photocatalysis explored with time-resolved spectroscopy, readers will also benefit from the inclusion of: Thorough introductions to kinetic and thermodynamic considerations for photocatalyst design and the logic, concepts, and methods of the design of reliable studies on photocatalysis Detailed explorations of in-situ spectroscopy for mechanistic studies in semiconductor photocatalysis and the principles and limitations of photoelectrochemical fuel generation Discussions of photocatalysis, including the heterogeneous catalysis perspective and insights into photocatalysis from computational chemistry Treatments of selected aspects of photoreactor engineering and defects in photocatalysis Perfect for photochemists, physical and catalytic chemists, electrochemists, and materials scientists, Heterogeneous Photocatalysis will also earn a place in the libraries of surface physicists and environmental chemists seeking up-to-date information about energy conversion and depollution reactions.
Bimodal Oxidation
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Author : Robert Bakhtchadjian
language : en
Publisher: CRC Press
Release Date : 2019-11-15
Bimodal Oxidation written by Robert Bakhtchadjian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-15 with Science categories.
This book is devoted to the problems of oxidation chemical reactions and addresses bimodal reaction sequences. Chemical reactions of oxidation, occurring under certain conditions and in multicomponent systems are complex processes. The process of the oxidation essentially changes in the presence and contact of the solid substances with reactants. The role of solid substances and the appearance of this phenomenon in oxidation reaction are discussed. The reader will understand the "driving forces" of this phenomenon and apply it in practice. Written for chemists, physicists, biologists and engineers working in the domain of oxidation reactions. Key Selling Features: Covers the historical background, modern state of the art, and perspectives in investigations of the coupling between heterogeneous and homogeneous reactions Discusses the feasible pathways of the coupling of heterogeneous and homogeneous reactions in oxidation in man-made and natural chemical systems Addresses the abundance, peculiarities and mechanisms of the bimodal reaction sequences in oxidation with dioxygen in recent decades Discusses the existence of the bimodal reaction sequences in chemical systems investigations in atmospheric chemistry and heterogeneous photocatalysis Presented in a simple concise style, accessible for both specialists and non-specialists
Heterogeneous Photocatalysis
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Author : Juan Carlos Colmenares
language : en
Publisher: Springer
Release Date : 2015-12-24
Heterogeneous Photocatalysis written by Juan Carlos Colmenares and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-24 with Science categories.
The book explains the principles and fundamentals of photocatalysis and highlights the current developments and future potential of the green-chemistry-oriented applications of various inorganic, organic, and hybrid photocatalysts. The book consists of eleven chapters, including the principles and fundamentals of heterogeneous photocatalysis; the mechanisms and dynamics of surface photocatalysis; research on TiO2-based composites with unique nanostructures; the latest developments and advances in exploiting photocatalyst alternatives to TiO2; and photocatalytic materials for applications other than the traditional degradation of pollutants, such as carbon dioxide reduction, water oxidation, a complete spectrum of selective organic transformations and water splitting by photocatalytic reduction. In addition, heterogeneized polyoxometalate materials for photocatalytic purposes and the proper design of photocatalytic reactors and modeling of light are also discussed. This book appeals to a wide readership of the academic and industrial researchers and it can also be used in the classroom for undergraduate and graduate students focusing on heterogeneous photocatalysis, sustainable chemistry, energy conversion and storage, nanotechnology, chemical engineering, environmental protection, optoelectronics, sensors, and surface and interface science. Juan Carlos Colmenares is a Professor at the Institute of Physical Chemistry, Polish Academy of Sciences, Poland. Yi-Jun Xu is a Professor at the State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, China.
Homogeneous Photocatalysis
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Author : M. Chanon
language : en
Publisher: John Wiley & Sons
Release Date : 1997-03-06
Homogeneous Photocatalysis written by M. Chanon and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-03-06 with Science categories.
Photocatalysis and related processes occupy a strategic position for the future of photochemistry. This volume provides an introduction to basic concepts and explains how applications work at the molecular level.
Photocatalysis Principles And Applications
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Author : Jensen Gilbert
language : en
Publisher:
Release Date : 2020-09-08
Photocatalysis Principles And Applications written by Jensen Gilbert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-08 with Science categories.
Photocatalysis is the acceleration of a photoreaction in the presence of a catalyst. Light is absorbed by an adsorbed substance in catalyzed photolysis. However, in photogenerated catalysis, the photocatalytic activity is based on the ability of the catalyst to generate electron-hole pairs which create free radicals. Homogeneous photocatalysis and heterogeneous photocatalysis are the two primary categories of photocatalysis. In homogeneous photocatalysis, the photocatalysts and the reactants exist in the same phase. Whereas, in heterogeneous photocatalysis reactants are in a different phase. Heterogeneous photocatalysis includes a large variety of reactions, such as mild or total oxidations, dehydrogenation, hydrogen transfer, and deuterium-alkane isotopic exchange, etc. This book brings forth some of the most innovative concepts and elucidates the unexplored aspects of photocatalysis. Different approaches, evaluations, methodologies and advanced studies on photocatalysis have been included in this book. This book is appropriate for students seeking detailed information in this area as well as for experts.
Heterogeneous Photocatalysis
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Author : Giuseppe Marcì
language : en
Publisher: Elsevier
Release Date : 2019-02-21
Heterogeneous Photocatalysis written by Giuseppe Marcì and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-21 with Technology & Engineering categories.
Heterogeneous Photocatalysis: Relationships with Heterogeneous Catalysis and Perspectives highlights the differences between thermal-catalysis and photo-catalysis and indicates borderlines, in particular, the possible synergism between them. The book outlines the basic aspect of thermal- and photo-catalysis, along with the most important characterization techniques. In addition, it presents case studies of thermal-catalytic and photo-catalytic or thermal-photo-catalytic reactions and includes a comparison between the results obtained using an inorganic solid as thermal catalyst and photocatalyst for the same reaction, and in the same setup. Final sections offer information on the preparation methods of (photo)catalysts, various techniques used for their characterization, engineering and economical aspects. This book will be a valuable reference source for students and researchers involved in heterogeneous photocatalysis and catalysis, chemistry, chemical engineering, materials science, materials engineering, environment engineering, nanotechnology and green chemistry. Provides selective methods for the preparation of microcrystalline/nanocrystalline solids or films used in catalytic and photocatalytic processes Describes (photo)reactions that can be carried out catalytically and/or photocatalytically Outlines the different mechanisms, yields and experimental conditions under which photocatalytic reactions can take place Describes various (photo)reactors and set ups under which the photacatalytic reactions can be carried out Provides an economic assessment to understand the feasibility of some photocatalytic reactions
Heterogeneous Photocatalysis
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Author : M. Schiavello
language : en
Publisher:
Release Date : 1997-10-09
Heterogeneous Photocatalysis written by M. Schiavello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-10-09 with Science categories.
Photocatalysis is a reaction which is accelerated by light while a heterogeneous reaction consists of two phases ( a solid and a liquid for example). Heterogeneous Photocatalysis is a fast developing science which to date has not been fully detailed in a monograph. This title discusses the basic principles of heterogeneous photocatalysis and describes the bulk and surface properties of semiconductors. Applications of various types of photoreactions are described and the problems related to the modeling and design of photoreactors are covered.
Photodegradation Of Water Pollutants
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Author : Martin M. Halmann
language : en
Publisher: CRC Press
Release Date : 1995-12-05
Photodegradation Of Water Pollutants written by Martin M. Halmann and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-12-05 with Technology & Engineering categories.
Photodegradation of Water Pollutants, the only complete survey available of current photocatalytic methods for treating water pollutants, covers all aspects of light-stimulated detoxification. Ideal for researchers and students, this new book explains methods for pollution treatment that have proven more effective than conventional biodegradation. Photodegradation of Water Pollutants examines advanced oxidation processes that have been successful in treating the chemical substances produced by industrial effluents and intensive agriculture. These oxidation processes include irradiation with ultraviolet or visible light, the use of homogenous sensitizers, such as dyes, and the use of heterogeneous photocatalysts, such as dispersed semiconductors. In addition, Photodegradation of Water Pollutants addresses the naturally occurring self-cleaning of some pollutants in sunlit surface waters, as well as several alternative non-photochemical approaches to water treatment. Available treatment options are discussed for the main groups of water pollutants, including toxic inorganic ions (cyanides, heavy metals), hydrocarbon derivatives (oil spills, surfactants, pulp and paper wastes), halocarbons, organo-N, organo-P, and organo-S compounds. The text also contains a unique section on the economics of advanced oxidation pollution treatments.