Alkylation or acylation of liquefaction product bottoms

Details Alkylation or acylation of liquefaction product bottoms Alkylation or acylation of liquefaction product bottoms

1976-05-21

1978-05-16

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 10, C10G 106

Patent

active

040897729

ABSTRACT:
The production of liquid hydrocarbons from coal via liquefaction is enhanced by recovering a bottoms fraction from the coal liquefaction reaction and subjecting the bottoms fraction to alkylation or acylation prior to recycling this bottoms fraction to the liquefaction reaction zone. The introduction of aliphatic hydrocarbon radicals or acyl radicals, including carbon monoxide, into the highly refractory molecules of the bottoms product from coal liquefaction permits additional amounts of the coal to undergo liquefaction at suitable liquefaction conditions.

REFERENCES:
patent: 3158561 (1964-11-01), Neuworth et al.
patent: 4033852 (1977-07-01), Horowitz et al.
Hodek et al, "Increased Extraction of Coals on Acylation", Fuel, vol. 52, Jul., 1973, pp. 220-225.
Sternberg et al, "Solubilization of an LVB Coal by Reductive Alkylation", Fuel, vol. 50, 1971, pp. 432-442.

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