Configurations and methods for effluent gas treatment

Details Configurations and methods for effluent gas treatment Configurations and methods for effluent gas treatment

C - Chemistry, Metallurgy

01

B

C01B 17/04 (2006.01) B01D 53/50 (2006.01) B01D 53/52 (2006.01)

Patent

CA 2562848

Methods and configurations are drawn to a plant in which an effluent gas (102) comprising oxygen and sulfur dioxide is catalytically reacted with hydrogen sulfiden (148) and hydrogen and/or carbon monoxide (114) to form a treated gas that is substantially oxygen free and in which sulfur dioxide is converted to hydrogen sulfide. In most preferred aspects, the hydrogen sulfide is provided to the process via a recycle loop (134B).

Des procédés et des configurations concernent une installation dans laquelle un gaz effluent (102) comprenant de l'oxygène et du dioxyde de soufre est mis à réagir de façon catalytique avec du sulfure d'hydrogène (148) et de l'hydrogène et/ou du monoxyde de carbone (114) pour former un gaz traité qui est dépourvu d'oxygène et dans lequel le dioxyde de soufre est converti en sulfure d'hydrogène. Dans les aspects les plus préférés, le sulfure d'hydrogène est fourni au processus par le biais d'une boucle de recyclage (134B).

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