Process and compositions for reducing the corrosiveness of oxyge

Details Process and compositions for reducing the corrosiveness of oxyge Process and compositions for reducing the corrosiveness of oxyge

1990-04-05

1991-12-10

Stoll, Robert L.

Compositions

Leather or fur treating

252 80, 252146, 252148, 252544, 25240053, 252390, 252392, 252394, 25238953, 252401, 252403, 252405, 252407, 106 1441, 106 1442, 106 1444, 106 1415, 106 1417, 106 1421, 422 16, C23F 1114, C23F 1118, C09K 704, E21B 4102

Patent

active

050715747

ABSTRACT:
A process for reducing the corrosiveness of aerated aqueous solutions, which comprises stripping the oxygen with gas containing hydrogen sulfide after addition of a composition which is both catalytic of the reduction of oxygen by hydrogen sulfide gas and inhibiting of hydrogen sulfide corrosion, such composition comprising certain metallic salts and a water-soluble oxyethylenated amine.

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patent: 3520820 (1970-07-01), Hwa
patent: 3618667 (1971-11-01), Snavely
patent: 3657129 (1972-04-01), Obermeier
patent: 3860430 (1975-01-01), Walker et al.
patent: 3931043 (1976-01-01), Walker et al.
patent: 4420414 (1983-12-01), Valone
N. Adams et al., H.sub.2 S Corrosion Control in the Mud System, May 1980, vol. 52, No. 6, pp. 114-120, Petroleum Engineer International.
Weres et al., Catalytic Oxidation of Aqueous Hydrogen Sulfide in the Presence of Sulfite, Jun. 1985, vol. 41, No. 6, pp. 307-316.

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