Photoassisted Reaction of H2 with CO2 Over Solid Catalysts PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
Photo-promoted hydrogenation of CO2 at 1 atm total pressure over a number of catalysts was investigated. CO was the principal product of both the dark and photo-promoted reactions in the presence and absence of water vapor. The first batch of a Co-Mo-Al-Oxide preparation was the most active photocatalyst investigated, giving 0.35 molec. of CO per incident photon of white light and, in the presence of water vapor, a yield of CO equal to 10 times its concentration at thermal equilibrium. Studies of this system included the action spectrum for formation of CO and the dependence of rate on the CO2/H2 ratio, on temperature and on intensity of white light. The catalyst was a heterogeneous mixture of several phases. Subsequent batches of Co-Mo-Al-Oxide, prepared according to the original protocol, differed from the first batch in composition and were less active photocatalysts. Similar studies were carried out using pristine and platinized DeGussa P-25 Tio2 as catalyst.
Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
Photo-promoted hydrogenation of CO2 at 1 atm total pressure over a number of catalysts was investigated. CO was the principal product of both the dark and photo-promoted reactions in the presence and absence of water vapor. The first batch of a Co-Mo-Al-Oxide preparation was the most active photocatalyst investigated, giving 0.35 molec. of CO per incident photon of white light and, in the presence of water vapor, a yield of CO equal to 10 times its concentration at thermal equilibrium. Studies of this system included the action spectrum for formation of CO and the dependence of rate on the CO2/H2 ratio, on temperature and on intensity of white light. The catalyst was a heterogeneous mixture of several phases. Subsequent batches of Co-Mo-Al-Oxide, prepared according to the original protocol, differed from the first batch in composition and were less active photocatalysts. Similar studies were carried out using pristine and platinized DeGussa P-25 Tio2 as catalyst.
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 1460
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Mehrorang Ghaedi Publisher: Academic Press ISBN: 0128188073 Category : Technology & Engineering Languages : en Pages : 954
Book Description
Photocatalysis: Fundamental Processes and Applications, Volume 32 in the Interface Science and Technology Series, discusses the fundamental aspects of photocatalysis and its process and applications to the decontamination of wastewater, hydrogen production via water splitting, and photo reduction of carbon dioxide to hydrocarbon. The book discusses the fundamental aspects of all applications together with their proper mechanisms, thus providing essential information for deep research in the area of clean environment and green energy production. Provides background on the fundamental and experimental processes of photocatalysis Covers photocatalysis and its impact on creating a clean environment and energy sources Applies photocatalysis to the decontamination of wastewater, hydrogen production via water splitting, and photo reduction of carbon dioxide to hydrocarbon Edited by a world-leading researcher in interface science
Author: Jianmin Ma Publisher: John Wiley & Sons ISBN: 352734859X Category : Technology & Engineering Languages : en Pages : 596
Book Description
Explore green catalytic reactions with this reference from a renowned leader in the field Green reactions—like photo-, photoelectro-, and electro-catalytic reactions—offer viable technologies to solve difficult problems without significant damage to the environment. In particular, some gas-involved reactions are especially useful in the creation of liquid fuels and cost-effective products. In Photo- and Electro-Catalytic Processes: Water Splitting, N2 Fixing, CO2 Reduction, award-winning researcher Jianmin Ma delivers a comprehensive overview of photo-, electro-, and photoelectron-catalysts in a variety of processes, including O2 reduction, CO2 reduction, N2 reduction, H2 production, water oxidation, oxygen evolution, and hydrogen evolution. The book offers detailed information on the underlying mechanisms, costs, and synthetic methods of catalysts. Filled with authoritative and critical information on green catalytic processes that promise to answer many of our most pressing energy and environmental questions, this book also includes: Thorough introductions to electrocatalytic oxygen reduction and evolution reactions, as well as electrocatalytic hydrogen evolution reactions Comprehensive explorations of electrocatalytic water splitting, CO2 reduction, and N2 reduction Practical discussions of photoelectrocatalytic H2 production, water splitting, and CO2 reduction In-depth examinations of photoelectrochemical oxygen evolution and nitrogen reduction Perfect for catalytic chemists and photochemists, Photo- and Electro-Catalytic Processes: Water Splitting, N2 Fixing, CO2 Reduction also belongs in the libraries of materials scientists and inorganic chemists seeking a one-stop resource on the novel aspects of photo-, electro-, and photoelectro-catalytic reactions.
Author: J P Pradier Publisher: Elsevier ISBN: 1782424938 Category : Science Languages : en Pages : 418
Book Description
This book derives from a workshop held in Sweden to examine the environmental implications of the dramatic increase in carbon dioxide levels in the atmosphere in the last 50 years and to find ways of mitigating greenhouse gas emissions. This multi-disciplinary approach makes it essential reading not only for chemists but for all engineers, biologists and environmentalists concerned with this crucially important issue.
Author: Tetsuro Seiyama Publisher: Elsevier ISBN: 0080954340 Category : Technology & Engineering Languages : en Pages : 803
Book Description
New Horizons in Catalysis: Part 7B. Proceedings of the 7th International Congress on Catalysis, Tokyo, 30 June-4 July 1980 (Studies in Surface Science and Catalysis)
Author: Detlef Bahnemann Publisher: Springer Nature ISBN: 3030637131 Category : Science Languages : en Pages : 1914
Book Description
The handbook comprehensively covers the field of inorganic photochemistry from the fundamentals to the main applications. The first section of the book describes the historical development of inorganic photochemistry, along with the fundamentals related to this multidisciplinary scientific field. The main experimental techniques employed in state-of-art studies are described in detail in the second section followed by a third section including theoretical investigations in the field. In the next three sections, the photophysical and photochemical properties of coordination compounds, supramolecular systems and inorganic semiconductors are summarized by experts on these materials. Finally, the application of photoactive inorganic compounds in key sectors of our society is highlighted. The sections cover applications in bioimaging and sensing, drug delivery and cancer therapy, solar energy conversion to electricity and fuels, organic synthesis, environmental remediation and optoelectronics among others. The chapters provide a concise overview of the main achievements in the recent years and highlight the challenges for future research. This handbook offers a unique compilation for practitioners of inorganic photochemistry in both industry and academia.
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Author: Mehrorang Ghaedi
Author: Jianmin Ma
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Author: J P Pradier
Author: Tetsuro Seiyama
Author: Detlef Bahnemann