Desulfurization of coke

Details Desulfurization of coke Desulfurization of coke

1974-04-01

1976-01-20

Yudkoff, Norman

Distillation: processes, thermolytic

And refining char, e.g., desulfurizing coke

423461, 201 44, 201 20, 201 36, C10B 5700

Patent

active

039335968

ABSTRACT:
Coke is desulfurized by calcining coke at a temperature of 1600.degree. - 2200.degree. F. in admixture with sodium carbonate, followed by direct contact with phosgene or a mixture of carbon monoxide and chlorine at a temperature of 1200.degree. - 1800.degree. F. to produce coke having sulfur contents of less than 0.5 percent.

REFERENCES:
patent: 2657118 (1953-10-01), Phillips et al.
patent: 2698777 (1955-01-01), Hartwick et al.
patent: 2793172 (1957-05-01), Smith et al.
patent: 3472622 (1969-10-01), Ridley
patent: 3600130 (1971-08-01), Aldridge et al.
patent: 3723291 (1973-03-01), Thakker

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