Alkanolamines and ethylene polyamines as cold-end additives

Details Alkanolamines and ethylene polyamines as cold-end additives Alkanolamines and ethylene polyamines as cold-end additives

1979-03-12

1980-06-03

Douglas, Winston A.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

110343, 110345, 252392, 423242, 423243, 44 72, C23F 1100, C23F 1102

Patent

active

042061725

ABSTRACT:
The present invention is drawn to ethylene polyamines in combination with certain alkanolamines as cold-end additives. More specifically, it has been discovered that if these additives are fed to the moving combustion gases of a combustion system which uses sulfur containing fuel and upstream of cold-end surfaces to be treated, the additive will travel along with the gases as vapor and/or liquid droplets and deposit on the cold-end surfaces. As a result, the amount of sulfuric acid corrosion of metallic cold-end surfaces is reduced.

REFERENCES:
patent: 4134727 (1979-01-01), Libutti et al.
patent: 4134728 (1979-01-01), Libutti et al.

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