Reducing corrosion of carbon steel reboilers

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal

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252387, C23F 1104

Patent

active

056394225

ABSTRACT:
Disclosed is a method of reducing the corrosion of a carbon steel reboiler in which a reboiler fluid containing nitrogen trichloride is heated to decompose the nitrogen trichloride. About 1 to about 100 ppm, based on the reboiler fluid weight, of a source of iodine, is added to the reboiler.

REFERENCES:
patent: 4138296 (1979-02-01), Balko et al.
patent: 5437711 (1995-08-01), Kaplin et al.
Balezin, S.A.; Keilin, I.I. (USSR) Ingibitory Korroz Met., 26-9, Abstract, "Effect of halide ions on the corrosion of steel in sulfuric acid".

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