Process for removal of oxides from waste gases

Details Process for removal of oxides from waste gases Process for removal of oxides from waste gases

B - Operations, Transporting

01

D

23/348

B01D 53/34 (2006.01) B01D 53/50 (2006.01)

Patent

CA 1171242

ABSTRACT 81H21 A process for removing sulfur oxides from waste gas is provided. The gas is contacted with a sorbent selected from sodium bicarbonate, trona and activated sodium carbonate and, utilizing an alkaline liquor containing borate ion so as to reduce flow rates and loss of alkalinity, the spent sorbent is regenerated with an alkaline earth metal oxide or hydroxide.

411700

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