B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/348
B01D 53/34 (2006.01) B01D 53/50 (2006.01) C01F 11/46 (2006.01) C01F 11/48 (2006.01)
Patent
CA 1289335
ABSTRACT OF THE DISCLOSURE The invention relates to a process and apparatus for causing the sulfur dioxide of flue gases to react to form solid sulfates and sulfites which can be separated from the flue gases. Sulfur dioxide containing flue gases are directed according to the invention into one end of an oblong reaction zone, in addition to which pulverous calcium compounds and water are directed separately into the reaction zone at several points, and finally from the opposite end a flue gas suspension is withdrawn and directed to dust separation. By feeding the pulverous reagent and the water separately into the reactor, the problems involved in the preparing, handling and spraying of an aqueous slurry are avoided, in addition to which the retention time and the reaction conditions can be regulated easily in the oblong reactor.
494906
Hamala Sirpa
Janka Pentti
Kenakkala Timo
Lehtimaki Martti
Ruohola Tuomo
Ivo Power Engineering Oy
Smart & Biggar
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