End-box for mercury cathode alkali chloride electrolysis cell
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United States of America Patent
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Jun 19, 2012
Grant Date -
Dec 18, 2008
app pub date -
Aug 20, 2008
filing date -
Feb 21, 2006
priority date (Note) -
Expired
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Abstract
There is disclosed an inlet and outlet end-box design for mercury cathode chlor-alkali electrolysis cells of extended lifetime, comprising a composite mechanical structure consisting of a carbon steel bottom entirely supporting the mechanical solicitations, a plastic cover, and a hydraulic head device for washing the mercury and the amalgam. The device is partially extractable thereby allowing the withdrawal of foreign materials accumulated during operation with no need for opening the end-boxes.
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