Patent Number: 6,251,357

Title: High purity alkali metal chlorite and method of manufacture

Abstract: Alkali metal chlorite, particularly sodium chlorite, is produced with a low carbonate level by combining a chlorine dioxide generating system operating at subatmospheric pressure with a chlorite formation reactor in which the chlorine dioxide reacts with hydrogen peroxide in the presence of aqueous alkali metal hydroxide, particularly sodium hydroxide.

Inventors: Dick; Peter David (Brampton, CA), Cowley; Gerald (Mississauga, CA)

Assignee: Sterling Canada, Inc.

International Classification: C01B 11/00 (20060101); C01B 11/10 (20060101); C01B 011/10 ()

Expiration Date: 06/26/2018