Dual impregnated activated carbon for improved removal of malodo

Details Dual impregnated activated carbon for improved removal of malodo Dual impregnated activated carbon for improved removal of malodo

1977-01-07

1978-02-07

Wyse, Thomas G.

Gas separation

Means within gas stream for conducting concentrate to collector

55 74, 55387, B01D 5304

Patent

active

040724808

ABSTRACT:
An improved process for the removal of malodorous sulfur compounds, for example H.sub.2 S and methyl mercaptan, from gas streams containing oxygen in which a bed of activated carbon treated with PbOAc, 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 and PbOAc 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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