Liquefaction of decarboxylated carbonaceous solids

Details Liquefaction of decarboxylated carbonaceous solids Liquefaction of decarboxylated carbonaceous solids

1991-04-22

1993-07-20

Morris, Theodore

Mineral oils: processes and products

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

208415, 208418, 208419, 208426, 208428, C10G 100, C10G 106, C10G 108

Patent

active

052289826

ABSTRACT:
A composition consisting essentially of a carbonaceous solid containing at least one carboxyl group is heated with subcritical liquid water at decarboxylation conditions including a temperature of at least about 300.degree. F. to substantially decarboxylate the solid, thereby producing a stream comprising a decarboxylated solid and water. The water is separated from the decarboxylated solid prior to liquefying the solid.

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patent: 4304655 (1981-12-01), Poddar
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patent: 4618735 (1986-10-01), Bridle et al.

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