Diaphragm cells

Details Diaphragm cells Diaphragm cells

C - Chemistry, Metallurgy

25

B

204/155.5

C25B 1/34 (2006.01) C25B 1/16 (2006.01) C25B 1/46 (2006.01) C25B 13/02 (2006.01) C25B 13/08 (2006.01)

Patent

CA 1096331

MD 29465 ABSTRACT An electrolytic diaphragm cell for the production of halogen, hydrogen and an alkali metal hydroxide solution by electrolysis of an aqueous alkali metal halide solution the cell comprising a plurality of anodes vertically mounted at one side of the cell, a cathode box mounted at the opposite facing side of the cell providing cathodes between adjacent anodes, and a hydraulically permeable diaphragm between adjacent anodes and cathodes, comprising a sheet of a porous non-melt-processable fluorine- containing polymer connected to an upper and lower slotted supports of a melt-processable fluorine-- containing polymer by means of strips of a melt- processable fluorine-containing polymer fused to the upper and lower edges of the diaphragm. The diaphragm preferably comprises a plurality of sheets of the non-melt-processable fluorine-containing polymer which are joined together by joining strips of melt-processable fluorine-containing polymer fused into the sheets at or near juxtaposed edges of the sheets.

300999

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