Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid
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United States of America Patent
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Jan 21, 1997
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N/A
app pub date -
Dec 8, 1993
filing date -
Jun 27, 1991
priority date (Note) -
Expired
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Abstract
Electrolyzer comprising at least one elementary cell divided into electrolyte compartments by cation-exchange membranes, said compartments are provided with a circuit for feeding electrolytic solutions and a circuit for withdrawing electrolysis products, said cell is equipped with a cathode and a hydrogen-depolarized anode assembly forming a hydrogen gas chamber fed with a hydrogen-containing gaseous stream, characterized in that said assembly comprises a cation-exchange membrane, a porous, flexible electrocatalytic sheet, a porous rigid current collector having a multiplicity of contact points with said electrocatalytic sheet, said membrane, sheet and current collector are held in contact together by means of pressure without bonding.
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