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

C - Chemistry, Metallurgy

02

F

362/2, 23/343

C02F 11/00 (2006.01) B01D 53/34 (2006.01) B01D 53/50 (2006.01) B01D 53/64 (2006.01)

Patent

CA 1219115

ABSTRACT OF THE DISCLOSURE 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.

451778

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