Vanadium-amine corrosion inhibitor system for sour gas condition

Details Vanadium-amine corrosion inhibitor system for sour gas condition Vanadium-amine corrosion inhibitor system for sour gas condition

1981-03-16

1983-02-08

Barr, J. L.

Compositions

Preservative agents

Anti-corrosion

252189, 252192, 252390, 252392, 252387, 422 12, 422 16, 423220, 423228, 423229, C09K 300

Patent

active

043728731

ABSTRACT:
The corrosion of iron and steel surfaces by an aqueous alkanolamine conditioning solution used to remove CO.sub.2 from a gas stream is effectively inhibited by a combination of a vanadium containing ion and a di- or triamine. A surprising fact is that some of the amine co-inhibitors have been identified by others in the art as promoting ferrous metal corrosion.

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