Coal hydroconversion process comprising solvent extraction (OP-3

Details Coal hydroconversion process comprising solvent extraction (OP-3 Coal hydroconversion process comprising solvent extraction (OP-3

1989-12-21

1991-06-25

McFarlane, Anthony

Mineral oils: processes and products

By treatment of solid mineral, e.g., coal liquefaction, etc.

Chemical modification of solids before hydrogenation

208412, 208413, 208414, 208419, 208415, 208420, C10G 102, C10G 106

Patent

active

050264753

ABSTRACT:
An improved process for the hydroconversion of coal comprising pretreating coal in an aqueous carbon monoxide-containing environment, followed by extracting a soluble hydrocarbon material from the coal, and subsequently hydroconverting the extracted material in a hydroconversion reactor. The extracted material consists of a relatively hydrogen-rich material which is readily converted to valuable liquid products in high yield. The residue from the extraction stage is relatively hydrogen deficient material which can be gasified to produce hydrogen and carbon monoxide for the hydroconversion and pretreatment stages, respectively.

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patent: 4028220 (1977-06-01), Urguanart
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patent: 4119523 (1978-10-01), Baldwin et al.
patent: 4324643 (1982-04-01), Durai-Swamy
patent: 4522700 (1985-06-01), Scnindler
patent: 4728418 (1988-03-01), Shabtai et al.
patent: 4737261 (1988-04-01), Hoover

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