Process for the continuous coking of pitches and utilization of

Details Process for the continuous coking of pitches and utilization of Process for the continuous coking of pitches and utilization of

1987-03-06

1988-08-16

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

201 6, 201 17, 201 25, 208 22, 264 297, 264105, 264118, 264125, B29C 7102

Patent

active

047643188

ABSTRACT:
Coke for reactor graphite is produced continuously by coking a hard pitch with a softening point (K.-S.) above 130.degree. C. and a coking residue of at least 45% by weight in a rotary pipe furnace equipped with a moving device and subsequent calcination without intermediate cooling. The temperature of the inner wall of the indirectly heated furnace ranges from about 500.degree. to about 800.degree. C. The gases and vapors formed during the coking process are guided in countercurrent flow to the pitch.

REFERENCES:
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patent: 3756791 (1973-09-01), Mancke
patent: 4053365 (1977-10-01), Welter
patent: 4197160 (1980-04-01), Degrave et al.
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patent: 4303477 (1981-12-01), Schmidt et al.
patent: 4334960 (1982-06-01), Brandenberger et al.
patent: 4369171 (1983-01-01), Grindstaff et al.
patent: 4534949 (1985-08-01), Glaser et al.

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