Method and apparatus for regeneration of flue gas scrubber...

Details Method and apparatus for regeneration of flue gas scrubber... Method and apparatus for regeneration of flue gas scrubber...

2007-07-24

2007-07-24

Vanoy, Timothy C. (Department: 1754)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

C423S183000, C423S243010, C423S243080, C423S555000, C023S304000

Reexamination Certificate

active

11066857

ABSTRACT:
A process to regenerate wet flue gas scrubber purge liquid into NaOH caustic suitable for make-up caustic for the scrubber is disclosed. Further, sulfur is removed from waste effluent in the form of gypsum with the process described herein. Lime is added to the spent, sodium sulfate-containing purge liquid to result in the formation of gypsum and sodium hydroxide.

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