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A Comparison of Caustic Soda and Soda Ash as Chemical Media for SO2 Recovery in Oilfield Steam Generators
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ABSTRACT
Caustic soda and soda ash were used as an alkalinity source in the liquid scrubbing of SO2 in flue gases produced from crude oil-fired steam generators used in thermally-enhanced oil recovery. It was found that caustic was utilized more efficiently, thereby allowing the SO2 scrubber to run at a lower pH with a higher SO2 removal capacity. Also, overall economics favored the use of caustic over soda ash in this scrubbing application.
Title: A Comparison of Caustic Soda and Soda Ash as Chemical Media for SO2 Recovery in Oilfield Steam Generators
Description:
ABSTRACT
Caustic soda and soda ash were used as an alkalinity source in the liquid scrubbing of SO2 in flue gases produced from crude oil-fired steam generators used in thermally-enhanced oil recovery.
It was found that caustic was utilized more efficiently, thereby allowing the SO2 scrubber to run at a lower pH with a higher SO2 removal capacity.
Also, overall economics favored the use of caustic over soda ash in this scrubbing application.
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