Process for removing aluminum and silica from alkali metal...

Details Process for removing aluminum and silica from alkali metal... Process for removing aluminum and silica from alkali metal...

C - Chemistry, Metallurgy

25

B

23/172, 23/340

C25B 15/08 (2006.01) C01D 3/14 (2006.01) C25B 1/46 (2006.01)

Patent

CA 1214621

PROCESS FOR REMOVING ALUMINUM AND SILICA FROM ALKALI METAL HALIDE BRINE SOLUTIONS ABSTRACT A process for removing dissolved aluminum and silica contaminants from concentrated alkali metal halide brines used in membrane electrolytic cells is disclosed. The process involves contacting an acidified brine at a pH of between about 2.0 and about 3.0 with a strong macroreticular cationic chelating resin.

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