METHOD FOR REGENERATING A LOADED WASH LIQUID FROM A GAS DESULFURIZATION FACILITY
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United States of America Patent
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-
Dec 3, 2002
Grant Date -
Dec 5, 2002
app pub date -
Dec 6, 1999
filing date -
Apr 18, 1997
priority date (Note) -
Granted
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Abstract
The loaded wash liquid contains H 2 S, CO, H 2 , CO 2 , nickel carbonyl and/or iron carbonyl. Carbon monoxide is initially and partially removed from the loaded wash liquid and the wash liquid which is low in CO is conducted through a reaction and settling zone. Sludge containing nickel and/or iron sulfide is extracted from the reaction and settling zone and the wash liquid is conducted to a heat regeneration device The regenerated wash liquid can be re-utilized for desulfurization purposes.
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