B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/341, 23/358
B01D 53/14 (2006.01) B01D 53/68 (2006.01) C01B 7/07 (2006.01)
Patent
CA 2014306
PROCESS FOR THE PURIFICATION OF WASTE GAS HAVING A HIGH CHLORIDE CONTENT Abstract of the Disclosure The process for the purification of flue gas having a high chloride content, and especially of flue gas from a garbage incineration plant, by means of a multi-step absorption of the contaminations, wherein in a first step the strongly acidic components of the waste gas such as HC1 and HF are removed by washing with water which first contains up to 20 g/l of HC1, and in subsequent steps the less acidic components of the waste gas such as SO2 and NOX are removed, is characterized in that already in the first step the hydrochloric acid is concentrated to a level in excess of 50 g/1 of HC1, and preferably in excess of 80 g/l of HC1, and the diluted hydrochloric acid thus obtained is separated by rectification into a concentrated hydro- chloric acid and a bottoms fraction.
Kurzinger Karl
Stephan Rainer
Krc Umwelttechnik Gmbh
Swabey Ogilvy Renault
LandOfFree
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