Thermomagnetometry and evolved gas analysis in the identification of organic and pyritic sulphur in coal and oil shale

Potential difficulties of using a new TG/TM technique for measuring the pyrite content of coals that also contain siderite are discussed briefly. Direct measurement of the SO 2 evolved on heating pyrite in an oxidizing atmosphere is a possible alternative and this may also provide information on amo...

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Bibliographic Details
Published in:Thermochimica acta 1985-09, Vol.93, p.745-748
Main Authors: Warne, S.St.J., Bloodworth, A.J., Morgan, D.J.
Format: Article
Language:English
Subjects:
Applied sciences
Coal and derived products
Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
Structure, chemical and physical properties
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Summary:Potential difficulties of using a new TG/TM technique for measuring the pyrite content of coals that also contain siderite are discussed briefly. Direct measurement of the SO 2 evolved on heating pyrite in an oxidizing atmosphere is a possible alternative and this may also provide information on amounts of organic sulphur in the coal.
ISSN:0040-6031
1872-762X
DOI:10.1016/0040-6031(85)85187-X