Process for manufacture of solvent for coal liquefaction

Details Process for manufacture of solvent for coal liquefaction Process for manufacture of solvent for coal liquefaction

1980-06-06

1981-12-01

Tufariello, T. M.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 8LE, C10G 700, C10G 104

Patent

active

043034985

ABSTRACT:
A solvent useful in coal liquefaction is obtained by separating the heavy liquid resulting from coal liquefaction into a fraction boiling at temperatures of between 200.degree. to 210.degree. C., a fraction boiling at temperatures between 211.degree. to 250.degree. C., and a fraction boiling at not less than 250.degree. C., subjecting the fraction boiling at between 211.degree. C. to 250.degree. C. to two hydrogenation treatments, mixing the hydrogenated product with the fraction boiling at between 200.degree. to 210.degree. C. which optionally has been hydrogenated to form a resultant mixture and mixing a portion of the resultant mixture with the fraction boiling at not less than 250.degree. C. which has been optionally hydrogenated.

REFERENCES:
patent: 4111786 (1978-09-01), Sugimura
patent: 4179352 (1979-12-01), Effron
patent: 4189371 (1980-02-01), Maa

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