Formation of Dimethyl Polysulfides via Reaction of Methanol and Elemental Sulfur

Dimethyl polysulfides have been reported in the supercritical methanol extracts of coal and in the pyrolysis products of a high-sulfur Spanish coal that was first extracted with a mixture of dichloromethane and methanol. Dimethyl polysulfides and other products are shown to be formed by the reaction...

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Bibliographic Details
Published in:	Energy & fuels Vol. 10; no. 6; pp. 1187 - 1188
Main Authors:	White, Curt M, Rohar, Paul C, Shaw, Leonard J, Collins, Leo W
Format:	Journal Article
Language:	English
Published:	Washington, DC American Chemical Society 20-11-1996
Subjects:	Applied sciences Energy Exact sciences and technology Fuel processing. Carbochemistry and petrochemistry Fuels Solid fuel processing (coal, coke, brown coal, peat, wood, etc.) Pyrolysis High sulfur coal Coal Supercritical solvent Polysulfides Solvent extraction Sulfur Methanol
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Summary:	Dimethyl polysulfides have been reported in the supercritical methanol extracts of coal and in the pyrolysis products of a high-sulfur Spanish coal that was first extracted with a mixture of dichloromethane and methanol. Dimethyl polysulfides and other products are shown to be formed by the reaction of methanol with elemental sulfur at elevated temperature and pressure. This reaction is a possible source of some of the dimethyl polysulfides observed by others in high-temperature methanol extracts.
Bibliography:	Abstract published in Advance ACS Abstracts, September 1, 1996. ark:/67375/TPS-DCZGDRVK-J istex:41D1D4A87101974BA4C431ECF4C551B3BA067414
ISSN:	0887-0624 1520-5029
DOI:	10.1021/ef9600671