| 摘要 |
A system is disclosed for retrieving a mist of sulfurous acid and creating sulfurous acid from residual sulfur dioxide gas originating from an exhaust of a sulfurous acid generator. In one embodiment, such a system includes a sulfurous acid generator to output sulfurous acid, in a primary stream, and exhaust comprising a mist of sulfurous acid and sulfur dioxide gas. A recovery system is connected to the sulfurous acid generator to receive the exhaust and substantially remove the mist and the sulfur dioxide gas. The recovery system is further structured to pass the exhaust to apertures therein sized to separate the mist from the exhaust, wet itself with the liquid of the mist, and capture the sulfur dioxide gas with the liquid to substantially remove them both from the exhaust.
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