Method for the purification of gases containing mercury and simultaneous recovery of the mercury in metallic form
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United States of America Patent
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Feb 3, 1987
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N/A
app pub date -
Oct 4, 1985
filing date -
Oct 19, 1984
priority date (Note) -
Expired
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Abstract
A method for the purification of gases containing mercury and simultaneous recovery of the mercury in metallic form by a process where primarily a reaction takes place between metallic vapory mercury and mercury (II)-chloride compounds in solution in a liquid phase, during which the formation and deposition of only slightly soluble Hg (I)-chloride (calomel) occur, the deposited calomel being oxidized to easily soluble Hg (II)-chloride compounds by the adding of chlorine, and metallic mercury and at least some of the chlorine used being recovered by electrolysis of said formed Hg(II)-chloride.
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