Process for controlling the emission of flue gases
First Claim
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1. A process for removing sulfur dioxide from a gaseous mixture, comprising contacting said gaseous mixture with a liquid absorbent comprising one or more ionic liquids, adding a polar solvent to said absorbent to remove the sulfur dioxide from said absorbent and regenerating the absorbent.
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Abstract
The invention is a process for absorbing sulfur dioxide from a gaseous stream with the aid of an ionic liquid, followed by the release of sulfur dioxide from the ionic liquid on addition of a polar solvent and the regeneration of the ionic liquid.
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6 Claims
- 1. A process for removing sulfur dioxide from a gaseous mixture, comprising contacting said gaseous mixture with a liquid absorbent comprising one or more ionic liquids, adding a polar solvent to said absorbent to remove the sulfur dioxide from said absorbent and regenerating the absorbent.
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