Process for management of industrial wastes

Details Process for management of industrial wastes Process for management of industrial wastes

B - Operations, Transporting

01

D

B01D 53/50 (2006.01) B01D 53/52 (2006.01) C02F 1/02 (2006.01) C02F 5/00 (2006.01)

Patent

CA 2401703

The present invention provides a process for the management of H2S containing gas streams and high alkalinity water streams in which process the H2S is selectively removed from the gas stream and combusted to form an SO2 rich waste gas stream. The SO2 gas stream is then scrubbed with the water stream to substantially remove the SO2 from the gas while subsequent treatment of the water such as softening or settling is improved.

Le procédé de la présente invention concerne la gestion de courant de gaz chargés en H¿2?S et de courants d'eau fortement alcalinisés. En l'occurrence, on prive le courant gazeux sélectivement de son H¿2?S puis on le consume pour donner un courant d'effluent gazeux riche en SO¿2?. Un lavage de ce courant de gaz au SO¿2? dans un courant d'eau permet d'en éliminer sensiblement le SO¿2?, ce qui permet en outre d'améliorer le reste du traitement de l'eau, que ce soit l'adoucissage ou la décantation.

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