Prevention of cracking and blistering of refinery steels by cyan

Details Prevention of cracking and blistering of refinery steels by cyan Prevention of cracking and blistering of refinery steels by cyan

1993-09-08

1995-02-07

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

208 47, 252390, 252394, 252401, 252405, 422 16, C23F 1104

Patent

active

053873939

ABSTRACT:
Corrosion, cracking and blistering of steels in contact with water containing refinery streams contaminated with cyanide is inhibited or prevented by treating the streams with a cyanide reactive scavenger comprising at least one amine-aldehyde reaction product.

REFERENCES:
patent: 4009243 (1977-02-01), Weber et al.
patent: 4595723 (1986-06-01), Henson et al.
patent: 4978366 (1990-12-01), Weers
patent: 5074991 (1991-12-01), Weers et al.

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