Process for removing or separating pollutants from waste gases

Details Process for removing or separating pollutants from waste gases Process for removing or separating pollutants from waste gases

1986-03-28

1989-04-04

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

44589, 423242, 423243, 423244, B01D 5334

Patent

active

048185051

ABSTRACT:
The invention relates to a process for the removal or separation of pollutants, such as sulphur or metal compounds from waste gases, by contacting the waste gases with aqueous binder suspensions, comprising using a sewage sludge as the binder suspension. The binder suspension is preferably constituted by a sewage sludge mixed with comminuted, dried autumn leaves or an extraction residue thereof and to which are added further additives, particularly alkaline substances. Apart from the excellent manner in which sewage sludge binds pollutants, roasting is made more economic due to the high carbon content of the sewage sludge.

REFERENCES:
patent: 3944408 (1976-03-01), Postrihac
patent: 4038180 (1977-07-01), Talbert
patent: 4302236 (1981-11-01), Roman
Noyes et al., A Course of Study in Chemical Principles, MacMillan Company, 1938, p. 70.

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