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Oxidation studies on coking coal related to weathering: (1) Chromatographic analysis of pyrolysis gases as a method for studying coal weathering

โœ Scribed by B.S. Ignasiak; B.N. Nandi; D.S. Montgomery


Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
439 KB
Volume
49
Category
Article
ISSN
0016-2361

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Oxidation studies on coking coal related
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A high-volatile bituminous coal possessing a high Gieseler fluidity and large dilatation was subjected to slight oxidation in air under chosen conditions. The resultant 'oxycoal'was treated with various chemical reagents in order to determine to what extent the original caking properties of this coa

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A high-volatile A bituminous coal was oxidized with 180, at 1OO'C for 72 h to simulate weathering, and subsequently pyrolysed at various temperatures to drive off C180,, C1801%, C1%,, C180, C160, Hz180, Hz'%. These gases were subsequently analysed by massspectrometry. The results indicate that 60%

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