Impregnated activated carbon for improved removal of malodorous

Details Impregnated activated carbon for improved removal of malodorous Impregnated activated carbon for improved removal of malodorous

1976-12-20

1978-02-07

Wyse, Thomas G.

Gas separation

Means within gas stream for conducting concentrate to collector

55 74, 55387, B01D 5304

Patent

active

040724794

ABSTRACT:
An improved process for the removal of malodorous compounds, especially sulfur-containing compounds, for example H.sub.2 S and methyl mercaptan, from gas streams containing oxygen in which a bed of activated carbon treated with NaOH and moisture is used to remove said compounds. The treatment, which may also be combined with regeneration of the activated carbon, is effected, typically, by applying to the carbon one bed volume of dilute (4-6%) NaOH solution, draining and drying with 50- 100% R.H. air.

REFERENCES:
patent: 3391988 (1968-07-01), Friess
patent: 3416293 (1968-12-01), Alexander
patent: 3578390 (1971-05-01), Kruel et al.
patent: 3598521 (1971-08-01), Alley
patent: 3696629 (1972-10-01), Heston, Jr.
patent: 3736726 (1973-06-01), Grimm et al.

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