Inhibition of sulfide inclusion in slag

Details Inhibition of sulfide inclusion in slag Inhibition of sulfide inclusion in slag

1989-12-19

1990-09-04

Kratz, Peter

Gas: heating and illuminating

Processes

Coal

48206, 48DIG2, 252373, C10J 300, C10J 346

Patent

active

049541374

ABSTRACT:
A process for the gasification of coal is described which comprises partially combusting particulate coal in a gasification reactor comprising a gasification zone and a water bath and producing a hot gaseous stream containing synthesis gas and flyash, and slag, in the gasification zone. The slag produced is allowed to discharge from the gasification zone into the water bath, the redox potential of the water bath being formulated or maintained at a level sufficient to inhibit sulfide presence or inclusion in the slag.

REFERENCES:
patent: 2716598 (1955-08-01), Moses
patent: 2971830 (1961-02-01), Kawai et al.
patent: 4071329 (1978-01-01), Eales
patent: 4760667 (1988-08-01), Eckstein et al.
patent: 4806131 (1989-02-01), Morihara et al.

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