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Low Temperature Air Oxidation of Caking Coals: Fourier Transform Infrared Studies

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Abstract:

Fourier transform infrared spectroscopy has been used to characterize the oxidation of a coking coal. The results demonstrate that the most important initial products of oxidation are carbonyl and carboxylic acid groups. Bands associated with carbon-oxygen single bonds, as in ethers or phenols, do not become prominent until the later stages of the oxidative process. Upon reaction with potassium in tetrahydrofuran a number of changes in the spectrum of both the oxidized and unoxidized coal become apparent. This reagent cannot be considered specific for cleavage of ether bonds, but can also lead to products usually associated with air oxidation.

Keywords: Analysis, for oxidation of coal; Fourier transform infrared spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702814731842

Affiliations: 1: Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 2: Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania; present address: Standard Oil of Indiana, Mail Station B-1, Amoco Research Center, P.O. Box 400, Naperville, IL 60540 3: Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania; present address: National Industrial Institute of Kyushu, Shukumachi, Tosu, 841, Japan

Publication date: January 1, 1981

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