Process for the production of coke from pitch

Details Process for the production of coke from pitch Process for the production of coke from pitch

1977-02-07

1978-08-01

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208131, C10G 914

Patent

active

041041500

ABSTRACT:
Coal-tar pitch is heated to a temperature which is at least 100.degree. C above its softening point but below its decomposition temperature and is mixed with a filter aid, such as kieselghur or activated carbon prior to filtering the pitch at at least the preheat temperature so as to remove ashes, soot and heavy metals therefrom. The thus-purified pitch is then coked. In this manner, it is possible to obtain high-quality, anisotropic acicular coke which is readily convertible into graphite.

REFERENCES:
patent: 2166321 (1939-07-01), Pott
patent: 2775549 (1956-12-01), Shea
patent: 3704224 (1972-11-01), Scovill et al.
patent: 3799865 (1974-03-01), Suetsugu et al.

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