Filter press electrolysis cell
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United States of America Patent
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Jan 21, 1992
Grant Date -
N/A
app pub date -
Oct 30, 1990
filing date -
Nov 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides an electrolysis cell of the filter press type for the production of peroxy and perhalogenate compounds comprising alternatingly arranged cathodes and anodes provided with electrolyte feeds, wherein the cathodes (1) and anodes (2) consist of right parallelpiped-shaped hollow bodies between which are present frame-shaped seals (3) and which, via these seals (3), are connected together in a liquid-tight manner and insulated from one another to give a cell pile, the cathode hollow bodies (1) are liquid- and gas-permeable, the anode hollow bodies (2) possess, above and below a platinum layer, openings for the introduction and removal of the anolyte and the effective anode surface is formed by the platinum metal layer of a composite anode comprising a valve metal substrate and a platinum layer present thereon which is obtainable by the hot isostatic pressing of a platinum foil on to a valve metal carrier.
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