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Biotic And Abiotic Carbon To Sulfur Bond Cleavage Final Report
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Book Synopsis Biotic and Abiotic Carbon to Sulfur Bond Cleavage. Final Report by :
Download or read book Biotic and Abiotic Carbon to Sulfur Bond Cleavage. Final Report written by and published by . This book was released on 1994 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The microbial desulfurization of organosulfur compounds occurs by unprecedented and largely unexplored biochemical processes. A study of such biotic desulfurizations can be expected to give rise to new and useful chemistry and enzymology. The potential value of understanding and harnessing these processes is seen in relation to the need for methods for the removal of organically bound sulfur from coal and the degradation of organic sulfur-containing pollutants. This research effort has been directed towards an examination of desulfurization ability in well characterized microorganisms, the isolation of bacteria with desulfurization ability from natural sources, the characterization and mechanistic evaluation of the observed biocatalytic processes, the development of biomimetic synthetic organic chemistry based on biotic desulfurization mechanisms and the design and preparation of improved coal model compounds for use in microbial selection processes. A systematic approach to studying biodesulfurizations was undertaken in which organosulfur compounds have been broken down into classes based on the oxidation state of the sulfur atom and the structure of the rest of the organic material. Microbes have been evaluated in terms of ability to degrade organosulfur compounds with sulfur in its sulfonic acid oxidation state. These compounds are likely intermediates in coal desulfurization and are present in the environment as persistent pollutants in the form of detergents. It is known that oxygen bonded to sulfur lowers the carbon-sulfur bond energy, providing a thermodynamic basis for starting with this class of compounds.
Book Synopsis Biotic and Abiotic Carbon to Sulfur Bond Cleavage by :
Download or read book Biotic and Abiotic Carbon to Sulfur Bond Cleavage written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biotic and Abiotic Carbon to Sulfur Bond Cleavage. Technical Report, July 1, 1991--September 30, 1991 by :
Download or read book Biotic and Abiotic Carbon to Sulfur Bond Cleavage. Technical Report, July 1, 1991--September 30, 1991 written by and published by . This book was released on 1991 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cleavage of aliphatic organosulfonate carbon to sulfur (C-S) bonds, a critical link in the global biogeochemical sulfur cycle, has been identified in Escherichia coli K-12. Enormous quantities of inorganic sulfate are continuously converted (Scheme I) into methanesulfonic acid 1 and acylated 3-(6-sulfo-?-D-quinovopyranosyl)-L-glycerol 2. Biocatalytic desulfurization (Scheme I) of 1 and 2, which share the structural feature of an aliphatic carbon bonded to a sulfonic acid sulfur, completes the cycle, Discovery of this desulfurization in E. coli provides an invaluable paradigm for study of a biotic process which, via the biogeochemical cycle, significantly influences the atmospheric concentration of sulfur-containing molecules.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1995 with total page 1686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Protocols for the Selective Cleavage of Carbon-sulfur Bonds in Coal. Final Technical Report, September 1, 1992--December 31, 1993 by :
Download or read book Protocols for the Selective Cleavage of Carbon-sulfur Bonds in Coal. Final Technical Report, September 1, 1992--December 31, 1993 written by and published by . This book was released on 1993 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of research pertaining to chemical reactions that aim to selectively cleave C-S bonds in model compounds as well as Illinois coal are summarized. Chemical reactions that result in carbon-sulfur bond cleavage are an essential aspect of any protocol designed to remove organic sulfur from coal. In the second year of the project ''Protocols for the Selective Cleavage of Carbon-Sulfur Bonds in Coal'' investigations of reactions in which organic sulfur-containing coal model compounds are subjected to different conditions of temperature, solvent mixtures, reagents, and radiation have been completed. A series of reactions have been undertaken in which physically cleaned Illinois coal has been subjected to many of the same reaction conditions that were shown, via the use of model sulfides, to result in substantial C-S bond cleavage and or sulfur oxidation. Therefore, summarized in this final report are results of the investigations of the photooxidation reactions of coal model sulfones and sulfides; the photolytic desulfurization of coal; and various other topics, including a summary of endeavors aimed at initiating C-S bond cleavage reactions using oxidation/chlorination/desulfurization protocols, and various tellurium reagents.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Sulfur Bond Cleavage By Diborane by : Alan Peter Risch
Download or read book Carbon Sulfur Bond Cleavage By Diborane written by Alan Peter Risch and published by . This book was released on 1968 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon-sulfur Bond Cleavage by Environmental Bacteria by : Janice E. King
Download or read book Carbon-sulfur Bond Cleavage by Environmental Bacteria written by Janice E. King and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book לאה'קה הנערה מפלאנטש written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Winter Waterfront : Year-round Use in Metropolitan Toronto by : Xenia Klinger
Download or read book Winter Waterfront : Year-round Use in Metropolitan Toronto written by Xenia Klinger and published by . This book was released on 1991 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Cleavage of the Carbon-sulfur Bond by : Donald Philip Harnish
Download or read book The Cleavage of the Carbon-sulfur Bond written by Donald Philip Harnish and published by . This book was released on 1948 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalog of Federal Domestic Assistance by :
Download or read book Catalog of Federal Domestic Assistance written by and published by . This book was released on 1991 with total page 1728 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifies and describes specific government assistance opportunities such as loans, grants, counseling, and procurement contracts available under many agencies and programs.
Author :American Chemical Society. Committee on Professional Training Publisher : ISBN 13 :9780841227231 Total Pages :1700 pages Book Rating :4.2/5 (272 download)
Book Synopsis ACS Directory of Graduate Research 1993 by : American Chemical Society. Committee on Professional Training
Download or read book ACS Directory of Graduate Research 1993 written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1993 with total page 1700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gas Processing by : James G. Speight
Download or read book Gas Processing written by James G. Speight and published by . This book was released on 1993 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work studies the predominant types and sources of industrial gas, their effects on the atmosphere, and related environmental concerns and issues. It goes on to define methods of determining gas properties and the various process types that are used for clean-up.
Book Synopsis Atmospheric Evolution on Inhabited and Lifeless Worlds by : David C. Catling
Download or read book Atmospheric Evolution on Inhabited and Lifeless Worlds written by David C. Catling and published by Cambridge University Press. This book was released on 2017-04-13 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and authoritative text on the formation and evolution of planetary atmospheres, for graduate-level students and researchers.
Download or read book Deep Carbon written by Beth N. Orcutt and published by Cambridge University Press. This book was released on 2019-10-17 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to carbon inside Earth - its quantities, movements, forms, origins, changes over time and impact on planetary processes. This title is also available as Open Access on Cambridge Core.
