期刊
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
卷 38, 期 11, 页码 1591-1597出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2011.653617
关键词
Coal pyrolysis; coke; Mossbauer; pyrite; sulfur
Well characterized, an Egyptian coal sample (EM-87) has been carbonized in an Argon atmosphere of pressure 10(5) Pa at different temperatures from 700-1000 K. The analysis of the Mossbauer spectra collected at room temperature for the produced semi-cokes, showed that pyrite FeS2 was starting to be transformed to pyrrhotite Fe1-xS at 700 K. This transformation was found to be increased when the pyrolysis temperature was increased.
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