FIELD: process engineering.
SUBSTANCE: invention relates to cleaning air from toxic volatile substances and may be used in medicine, veterinary medicine, at chemical and woodworking fabrics, etc. Proposed method consists in neutralisation of ammonium vapours by water solution of 20%-cutric acid at 2 atm for 2 minutes, successively 6 to 8 times every 15 minutes.
EFFECT: efficient, non-polluting method.
5 dwg, 16 tbl
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