Process for heat-treating carbon blocks

Details Process for heat-treating carbon blocks Process for heat-treating carbon blocks

1976-10-18

1980-01-22

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

264 297, 264 61, 264 65, 264 71, 264105, 264235, 264345, 423445, 423448, C01B 3102

Patent

active

041850556

ABSTRACT:
A process for heat-treating carbonaceous products such as electrodes used in the manufacture of aluminum in which the products are heated to raise the core temperature to within 120.degree. to 170.degree. C., heating the products to raise the core temperature to 450.degree. C. within ten hours and without allowing the surface temperature to exceed 700.degree. C., and then continuing to heat the products to the final calcination temperature.

REFERENCES:
patent: 2699931 (1955-01-01), Buhler et al.
patent: 2728109 (1955-12-01), Bonnot
patent: 2799053 (1957-07-01), Gartland
patent: 2983022 (1961-05-01), Dressler et al.
patent: 3009863 (1961-11-01), Angevine
patent: 3168602 (1965-02-01), Davies et al.
patent: 3413152 (1968-11-01), Folkins et al.
patent: 3560346 (1971-02-01), Gunter
patent: 3619376 (1971-11-01), Patel et al.
patent: 3673288 (1972-06-01), Childs

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