Method for recovering concentrated sulphur dioxide from waste ga

Gas separation – Means within gas stream for conducting concentrate to collector

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55 50, 55 55, 55 73, 423242, B01D 5314

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active

041815068

ABSTRACT:
Improved efficiency in recovering SO.sub.2 from waste gases is obtained in a system where the SO.sub.2 is absorbed into a solution which is then distilled. The method of this application entails compressing the steam-SO.sub.2 mixture issuing from the still before condensing out the steam, so that the heat from the compressed steam-SO.sub.2 mixture may be used in generating the steam for the still, and the condensate may be recycled through the still, preferably after reheating the same.

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