Diaphragm cells

Details Diaphragm cells Diaphragm cells

1978-03-20

1979-05-08

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204266, 204296, C25B 900, C25B 1302, C25B 1308

Patent

active

041535308

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.

REFERENCES:
patent: 3923630 (1975-12-01), Argade et al.
patent: 4003818 (1977-01-01), Juillard et al.
patent: 4031041 (1977-06-01), Bouy et al.
patent: 4065534 (1977-12-01), Rechlicz et al.
patent: 4081350 (1978-03-01), K adija et al.

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