FIELD: electrochemical processes. SUBSTANCE: sulfocation-exchange membrane is provided with perforations and an additional anion-exchange membrane, mounted at a distance from the sulfocation-exchange membrane. Both membranes are mounted in frames and interconnected by their perimeter parts. EFFECT: improved purity of acid selection. 1 tbl
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Authors
Dates
1994-03-15—Published
1987-06-29—Filed