Method to lower the release of hazardous air pollutants from...

Details Method to lower the release of hazardous air pollutants from... Method to lower the release of hazardous air pollutants from...

D - Textiles, Paper

21

C

D21C 11/10 (2006.01) D21C 11/00 (2006.01) B01D 1/26 (2006.01) B01D 5/00 (2006.01)

Patent

CA 2404010

A method for removal of pollutants from a pulping process byproduct liquor, the method comprising injecting an oxygen-containing gas into said liquor and condensing the water vapor from the stripping gas so as to produce a condensate comprising pollutants. Also a method of controlling the flow rate and/or temperature of a pulping process byproduct liquor, the process comprising injecting an oxygen-containing gas into the liquor in a reactor, processing the liquor in a flash tank so as to create a cooled liquor and combining at a least a portion of the cooled liquor with new liquor as the new liquor enters, or while the new liquor is in, the reactor.

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