Corrosion inhibitors for alkanolamines

Details Corrosion inhibitors for alkanolamines Corrosion inhibitors for alkanolamines

1984-10-29

1986-06-24

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524413, 524597, 252391, 252389R, C08K 509

Patent

active

045968497

ABSTRACT:
This invention relates to a corrosion inhibiting composition for ferrous metals and its alloys in gas conditioning service using aqueous monoethanolamine to scrub carbon dioxide containing oxygen. The corrosion inhibiting composition includes a thiourea-amine-formaldehyde based polymer and, in the preferred embodiment, also includes a cupric ion producing material.

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B. G. Hofmeyer, H. G. Scholten, W. G. Lloyd, "Contamination and Corrosion in Monoethanolamine Gas Treating Solutions"-Report No. 722, The Dow Chemical Co.
"Gas Conditioning Fact Book", The Dow Chemical Co., Midland, Michigan, pp. 145-152 and 157-158 (1962).
R. Perry, C. Chilton and S. Kirkpatrick, Chemical Engineers Handbook, 4th Ed., Ch. 23 (1963).
M. G. Fontana and N. D. Greene, Corrosion Engineering, 2nd Ed., pp. 7-27 (1978).

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