Process for hydrogenation of hydrocarbon tars

Details Process for hydrogenation of hydrocarbon tars Process for hydrogenation of hydrocarbon tars

1976-06-25

1978-07-18

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208108, 208 44, 208 57, 208102, 208144, 260668R, C10G 1306, C07C 1502

Patent

active

041014162

ABSTRACT:
Hydrocarbon tars of high asphaltene content such as tars obtained from pyrolysis of coal are dissolved in a solvent formed from the hydrogenation of the coal tars, and the resultant mixture hydrogenated in the presence of a catalyst at a pressure from about 1500 to 5000 psig at a temperature from about 500.degree. F to about the critical temperature of the solvent to form a light hydrocarbon as a solvent for the tars. Hydrogen content is at least three times the amount of hydrogen consumed.

REFERENCES:
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patent: 3480540 (1969-11-01), Eng et al.
patent: 3502571 (1970-03-01), Stolfa
patent: 3554898 (1971-01-01), Wood et al.
patent: 3592761 (1971-07-01), Cole et al.
patent: 3600298 (1971-08-01), Mayumi et al.
patent: 3707459 (1972-12-01), Mason et al.
patent: 3755139 (1973-08-01), McClaren et al.
patent: 3920536 (1975-11-01), Seitzer et al.
patent: 3923634 (1975-12-01), Silvestri et al.
patent: 3932266 (1976-01-01), Sze et al.
patent: 3944480 (1976-03-01), Schroeder

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