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- W336214974 abstract "Organically bound oxygen is one of the most abundant elements in coal. However, the amount and quality of data covering its abundance, mode of occurrence and processing behavior have been relatively limited. This study has addressed this problem and provides an evaluation of two conventional ''oxygen-by-difference,'' two pyrolysis and three fast neutron activation analysis methods (FNAA) for the determination of the organic oxygen contents of coals. Methods based on pyrolysis or FNAA of demineralized coal are clearly superior to the outdated and error-prone ''oxygen-by-difference'' calculations. Fast neutron activation analysis has also been employed to study the effects of coal drying on liquefaction behavior and evaluate derivatization techniques for the characterization of oxygen functionality in coal. This document summarizes the research results obtained during the performance period of August 1, 1983 through October 31, 1985. The report is divided into three sections: (1) Comparison of Methods for the Determination of Organic Oxygen in Coals by W.D. Ehmann, D.W. Koppenaal, C.E. Hamrin, Jr., W.C. Jones, M.N. Prasad and W-Z Tian. (2) Effects of Coal Drying and Oxidation on Coal Structure and Liquefaction Behavior by C.E. Hamrin, Jr. and D.D. Randall. (3) Determination of Oxygen Functionalities in Coal by Derivatization and Fast Neutronmore » Activation Analysis by D.W. Koppenaal, W.C. Jones, W.D. Ehmann, M.N. Prasad and W-Z. Tian. 90 refs., 20 figs., 27 tabs.« less" @default.
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- W336214974 date "1985-12-01" @default.
- W336214974 modified "2023-09-27" @default.
- W336214974 title "Organic oxygen characterization of coal and coal liquids. Final report, August 1, 1983-October 31, 1985" @default.
- W336214974 hasPublicationYear "1985" @default.
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