Process for treatment of exhaust gas

Details Process for treatment of exhaust gas Process for treatment of exhaust gas

B - Operations, Transporting

03

C

183/42

B03C 3/01 (2006.01) B01D 53/50 (2006.01)

Patent

CA 1092521

PROCESS FOR TREATMENT OF EXHAUST GAS Abstract of the Disclosure Disclosed is a process for the treatment of an exhaust gas containing sulfur oxides and oxygen by the use of the aqueous solution of an alkali metal or alkaline earth metal salt. This process includes bringing the exhaust gas, within a specified spray column, into contact with finely divided droplets of the aqueous solution of the salt prepared to a specific pH value and subsequently introducing the exhaust gas which has undergone the contact into an electric dust collector. In this way, the disadvantageous formation of dithionic acid, which reduces the effectiveness of the process and can itself result in pollution, can be substantially avoided.

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