Process for manufacturing needle coke

Details Process for manufacturing needle coke Process for manufacturing needle coke

1975-10-16

1977-06-14

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

208 8, 208 50, 423445, 423448, C01B 3102, C01B 5704

Patent

active

040297497

ABSTRACT:
A process is disclosed for manufacturing needle coke, which process involves the steps of comminuting a coal, dispersing it in a suitable solvent, subjecting the dispersion to hydrogenolysis liquefaction at 360.degree.-480.degree. C and 1-150 Kg/Cm.sup.2 H.sub.2 pressure, distilling the resultant ashless coal solution at 250.degree.-600.degree. C to remove impurities, and unreacted coal, and coking selected distillate fractions in a conventional coker.

REFERENCES:
patent: 2775549 (1956-12-01), Shea
patent: 3112181 (1963-11-01), Petersen et al.
patent: 3375188 (1968-03-01), Bloomer
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3617480 (1971-11-01), Keel
patent: 3617515 (1971-11-01), Bloomer
patent: 3687837 (1970-08-01), Fiocco et al.
patent: 3799865 (1974-03-01), Suetsugu et al.

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