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Selective absorbtion of sulfur dioxide from gases containing sulfur dioxide and carbon dioxide
Selective absorbtion of sulfur dioxide from gases containing sulfur dioxide and carbon dioxide
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机译:从含有二氧化硫和二氧化碳的气体中选择性吸收二氧化硫
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摘要
Sulfur dioxide is selectively removed and recovered from a gas stream containing the same by contacting the gas with an aqueous solution of a piperazinone or a morpholinone as absorbent. The rich absorbent is thermally regenerated to release the sulfur dioxide for reuse in the contacting step.
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