C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/58
C25B 1/28 (2006.01) C25B 1/14 (2006.01) C25B 1/30 (2006.01)
Patent
CA 1291963
Abstract: ELECTROLYTIC PROCESS FOR MANUFACTURING POTASSIUM PEROXYDIPHOSPHATE The invention provides a process to maintain the anolyte pH in the desired range while manufacturing potassium peroxydiphosphate on a commercial scale. The process characterized by electrolyzing an alka- line anolyte containing potassium, phosphate, and hydroxyl ions at a platinum or noble metal anode optionally in the presence of a reaction promoter. The catholyte, an alkali metal hydroxide, is separat- ed from the anolyte by a separating means permeable to anions permitting hydroxyl ions to be transferred into the anolyte thereby maintaining the pH of the anolyte in the desired range.
509764
Chiang John S.
Mccarthy Michael J.
Chiang John S.
Fmc Corporation
Mccarthy Michael J.
Osler Hoskin & Harcourt Llp
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