Processing aqueous effluent liquors from degasification or gasif

Details Processing aqueous effluent liquors from degasification or gasif Processing aqueous effluent liquors from degasification or gasif

1978-10-02

1980-12-23

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 54, 55 70, 55 73, B01D 1900, B01D 5314

Patent

active

042408083

ABSTRACT:
The aqueous effluent liquors from gasification or de-gasification of coal are extracted with a water-insoluble solvent and the extract is processed to recover the solvent. The aqueous residue is treated to remove NH.sub.3 in a driving-off column. The invention adds the steps of

REFERENCES:
patent: 3505784 (1970-04-01), Hochgesand et al.
patent: 3710546 (1973-01-01), Grunewald et al.
patent: 3972693 (1976-08-01), Wiesner et al.
patent: 4011066 (1977-03-01), Bratzler et al.
patent: 4060591 (1977-11-01), Garber et al.
patent: 4149857 (1979-04-01), Volke et al.

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