Process for preparing a raw material for the manufacture of need

Details Process for preparing a raw material for the manufacture of need Process for preparing a raw material for the manufacture of need

1977-11-22

1978-11-28

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 45, 208106, 208131, C10G 900, C10G 2106

Patent

active

041274725

ABSTRACT:
In mixing coal tar and/or coal tar pitch with aromatic and aliphatic solvents at atmospheric pressure and at a temperature between 15.degree. C and 140.degree. C to prepare a raw material for the manufacture of needle coke, the mixing ratio of the aromatic and aliphatic solvents and their quantities of addition to the coal tar and/or coal tar pitch are adjusted so that insoluble substances precipitate in a pitch zone. A supernatant obtained by separating the insoluble substances is distilled, and hydrocarbons consisting substantially of aromatic compounds and freed of the insoluble substances are obtained. Then the hydrocarbons are used as the raw material for the manufacture of needle coke.

REFERENCES:
patent: 2871181 (1959-01-01), Kulik
patent: 2955079 (1960-10-01), Foley
patent: 3147205 (1964-09-01), Ohsol et al.
patent: 3617515 (1971-11-01), Bloomer
patent: 3799865 (1974-03-01), Suetsugu et al.

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