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Characterization of tars from the pyrolysis of a coal liquefaction extract fraction


Publisher
Elsevier Science
Year
1995
Weight
175 KB
Volume
36
Category
Article
ISSN
0140-6701

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Pyrolysis of SCG extract coal asphaltene
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The asphaltene fraction from a super-critical gas (SCG) extract of bituminous coal was pyrolysed under nitrogen at temperatures from 200 to 45o"C, and the resultant pyrolysate re-fractionated into four conventional solubility classes (n-pentane-soluble, benzene-soluble, pyridine-soluble and pyridine