Corrosion inhibitor

Details Corrosion inhibitor Corrosion inhibitor

C - Chemistry, Metallurgy

09

K

31/46

C09K 15/00 (2006.01) C09K 15/18 (2006.01)

Patent

CA 1080956

A B S T R A C T A corrosion inhibiting composition for removal of acid gases from natural or synthetic gas streams com- prising a solvent selected from alkanolamines, tetra- hydrothiophene - 1,1-dioxide, potassium carbonate and diglycolamines, and an inhibitor system consisting essentially of (1) a source of copper ion selected from copper metal, copper sulfide and copper salts, and (2) a source of sulfur atoms selected from (a) sulfur and (b) hydrogen sulfide and/or carbonyl sulfide in combination with an oxidizing agent that will produce in solution the sulfur atom, at least some of which is the polysulfide.

289921

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