Amalgam decomposer for mercury cathode cells for alkali chloride electrolysis
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United States of America Patent
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Nov 22, 2011
Grant Date -
Feb 12, 2009
app pub date -
Oct 10, 2008
filing date -
Apr 12, 2006
priority date (Note) -
Expired
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Abstract
The invention relates to an amalgam decomposer for mercury cathode chlor-alkali cells. The amalgam decomposer of the invention contains a filling of carbon steel rings whose external surface is provided with a catalytic coating for amalgam decomposition consisting of one or more electrically conductive metals carbides. The internal surface of the rings is free of catalytic coating and wettable by the amalgam, while the external carbide catalytic coating is not wettable by the amalgam thereby favoring hydrogen evolution.
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