Bipolar assembly for filter-press electrolyzer

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Reexamination Certificate

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C205S618000, C205S628000

Reexamination Certificate

active

06998030

ABSTRACT:
A bipolar assembly for filter-press type electrolyzers is described comprising a single sheet, whose two faces work respectively as anodic and cathodic wall, characterised by a design of perimetral flanges which greatly simplifies its construction enhancing its reliability. The peripheral flanges are made of a first flange obtained by folding the peripheral portion of the single sheet and of a second flange formed by a rod or a tube with quadrangular section or, alternatively, the first and second flange are pre-formed by folding of adequate strips subsequently fixed to the single sheet. The electrolyser resulting from the assemblage of a multiplicity of assemblies of the invention is particularly suited to the process of electrolysis of hydrochloric acid solutions carried out with chlorine-evolving anodes and oxygen-consuming cathodes.

REFERENCES:
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patent: 5484514 (1996-01-01), Katayama
patent: 07-252682 (1995-10-01), None
Patent Abstracts of Japan, (1 page) 06069964 Mar. 14, 1994 Oguro Keisuke Water . . . Electrolyte Membrane.

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