Process of purifying the exhaust gases from a sintering plant

Details Process of purifying the exhaust gases from a sintering plant Process of purifying the exhaust gases from a sintering plant

B - Operations, Transporting

03

C

183/43

B03C 3/01 (2006.01) B01D 53/34 (2006.01) C22B 7/02 (2006.01)

Patent

CA 1329149

- 8 - ABSTRACT Exhaust gases from a sintering plant are passed through an electrostatic precipitator, in which a dust mixture which contains chlorides is separated. By an addition of a solvent, such as water, to at least part of the dust mixture the chlorides are dissolved. The solids are separated from the solution and the solution which is substantially free of solids is contacted in a spray dryer with hot exhaust gas from the sintering plant. Substantially dried chlorides are removed from the spray dryer. The solvent-containing exhaust gas from the spray dryer is supplied to the electrostatic precipitator.

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