Ammonia collection and absorption apparatus for diazo...

Details Ammonia collection and absorption apparatus for diazo... Ammonia collection and absorption apparatus for diazo...

G - Physics

03

D

165/29, 95/87

G03D 7/00 (2006.01) B01D 53/58 (2006.01)

Patent

CA 1120394

Abstract of the Disclosure Ammonia collection and absorption apparatus including gas collection means for collecting ammonia-laden air at the exit open- ing of a diazo reproduction machine and passing the ammonia-laden air through ammonia gas absorption means to remove ammonia gas from the air. The ammonia gas absorption means includes a selectively removable and replaceable cartridge containing a volume of phenolic foam divided into pieces and carrying sulfuric acid or phosphoric acid through which the ammonia-laden air is passed.

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