Carbon electrodes having stabilized binders derived from the ent

Details Carbon electrodes having stabilized binders derived from the ent Carbon electrodes having stabilized binders derived from the ent

1975-08-28

1978-02-07

Edmundson, F. C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

208 8, 208 40, C25C 702

Patent

active

040725995

ABSTRACT:
Carbon electrodes, either prebaked or Soderberg, made with coal or petroleum coke aggregate and an industrially stable binder that is derived from the entire organic fraction of bituminous coal and is suitable for manufacturing carbon electrodes according to existing industrial practice in the electrometallurgical industries. The binder is prepared by digesting the coal with a solvent to make a purified pitch, and industrial stability is imparted by fluxing the purified pitch at about 200.degree.-300.degree. C.

REFERENCES:
patent: 3035932 (1962-05-01), McNamara et al.
patent: 3053748 (1962-09-01), Morel et al.
patent: 3108057 (1963-10-01), Nelson
patent: 3240566 (1966-03-01), Bullough et al.
patent: 3660269 (1972-05-01), McCauley

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