Method of removal and disposal of fly ash from a high-temperatur

Details Method of removal and disposal of fly ash from a high-temperatur Method of removal and disposal of fly ash from a high-temperatur

1988-06-30

1989-06-13

Kratz, Peter

Gas: heating and illuminating

Processes

Coal

48197R, 48206, 55 83, 110165A, 252373, C10J 346, C10J 384, C10J 386

Patent

active

048388980

ABSTRACT:
A process for the partial combustion of finely-divided coal at high temperatures and pressures to make synthesis gas having entrained particles of fly ash which are separated from the gas at high pressure. The fly ash and a minor amount of entrained gas are handled in a batchwise manner to isolate a batch in a lock hopper, depressurize the batch, strip the synthesis gas from the fly ash and cool the fly ash prior to disposal.

REFERENCES:
patent: 2420217 (1947-05-01), Allen
patent: 3963457 (1976-06-01), Hess
patent: 4157244 (1979-06-01), Gernhardt
patent: 4279622 (1981-07-01), Jones et al.
patent: 4455154 (1984-06-01), Blasiole
patent: 4478608 (1984-10-01), Dorling
patent: 4482363 (1984-11-01), Mink
patent: 4701185 (1987-10-01), Eckstein
Electric Power Research Institute Report AP-3129, 1983.
Electric Power Research Institute AP-4680, 1986.
Hydrocarbon Processing (Apr. 1984), vol. 63, No, 4, p. 96.
Hydrocarbon Processing (4, 1986) vol. 65, No. 4, p. 100.

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