B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/360, 165/47
B01D 53/14 (2006.01)
Patent
CA 1212523
PROCESS FOR THE PURIFICATION OF WASTE GASES AND FOR HEAT RECOVERY, AND EQUIPMENT FOR CARRYING OUT THE PROCESS ABSTRACT OF THE DISCLOSURE A process and equipment for the purification of waste gases containing pollutants, in particular from firing installations, are described. A waste gas duct (9) into which a line (12) for a scrubbing fluid leads in the upper region is inserted into the stack (8). The scrubbing fluid is sprayed into the waste gas duct (9) in counter-current to the waste gas which is to be purified and which flows upwards in the waste gas duct (9). The scrubbing fluid contains additives which react with the pollutants in the waste gas and bind them. The scrubbing fluid is passed from the storage vessel (16) downstream in circulation through the waste gas duct (9) and back again into the storage vessel (16). Advantageously, the latter is designed as a combined storage, sedimentation and reaction vessel, in which the solids formed during the scrubbing step settle and the scrubbing fluid is regenerated. Heat exchangers (7) and (23) are provided which remove from the waste gases a quantity of heat which is otherwise dis- carded unutilized with the waste gases. (Figure 1)
426954
Jovy Herbert
Scherer Karl-Heinz
Schuster Wilhelm
Carver & Company
Feraton Anstalt
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