C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 11/02 (2006.01)
Patent
CA 2216767
A method and composition for generating chlorine dioxide gas comprising contacting a feedstream of chlorine gas with sodium chlorite and less than 30% by weight of a hydrated inorganic salt, i.e., one containing water of crystallization. The method increases the amount of chlorine dioxide produced by a sodium chlorite generating column, and also increases the generating lifetime of the column. The sodium chlorite and hydrated inorganic salt can be admixed in a single column, provided as separate layers within a single column, or provided in separate columns.
Battisti Diane L.
Knapp Joseph E.
Johnson & Johnson
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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