Process for preparing a graphite product

Details Process for preparing a graphite product Process for preparing a graphite product

1980-09-02

1982-01-19

Vertiz, O. R.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423445, 423449, 264 291, C01B 3104

Patent

active

043116825

ABSTRACT:
A process for preparing a carbon product, which comprises: (a) mixing hydrocarbon material derived from coal with a hydrocarbon solvent having a boiling point or a distillation temperature for 95 vol % of the solvent less than 350.degree. C. and a B.M.C.I. value of 5 to 70, the value being defined as: B.M.C.I.=48,640/k+473.7S-456.8, wherein k is the average boiling point (.degree.K) and S is the specific gravity at 60.degree. F., (b) separating insoluble material which settles from the resulting mixture upon standing, (c) removing by distillation at least a portion of said solvent from the insoluble matter free mixture, (d) coking the residue obtained after distillation, thereby forming an acicular, green coke, (e) calcining the acicular green coke, thereby obtaining an acicular calcined coke having a pore volume of more than 40+10.sup.-3 cc/g, and (f) blending the acicular calcined coke with a binder, shaping the blend and graphitizing the blend at a high temperature.

REFERENCES:
patent: Re29101 (1977-01-01), Amagi et al.
patent: 3035308 (1962-05-01), Ragoss et al.
patent: 3219731 (1965-11-01), Etzel et al.
patent: 4100265 (1978-07-01), Yoshimura et al.

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