Absorbent solution containing a breakdown inhibitor derived from thiazole or from oxazole and absorption process for acid compounds contained in a gaseous effluent
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United States of America Patent
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Oct 22, 2013
Grant Date -
Dec 6, 2012
app pub date -
Nov 19, 2010
filing date -
Nov 30, 2009
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Abstract
The degradation of an absorbent solution comprising organic compounds provided with an amine function in aqueous solution is reduced considerably in the presence of a small amount of degradation inhibiting additives whose structure comprises a 5-atom heterocycle composed of a nitrogen atom, a sulfur atom or an oxygen atom, and 3 carbon atoms, at least one of which is joined to a sulfur atom not belonging to the ring. The absorbent solution is employed for deacidifying a gaseous effluent.
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