Compositions – Preservative agents – Anti-corrosion
Patent
1979-10-30
1980-09-23
Howard, Jacqueline V.
Compositions
Preservative agents
Anti-corrosion
422 9, 44 72, 423242, 423243, 110343, 110345, C23F 1100, C23F 1102
Patent
active
042241804
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: 2106446 (1938-01-01), Baehr et al.
patent: 4096085 (1978-06-01), Holoman, Jr. et al.
patent: 4134728 (1979-01-01), Libutti et al.
Betz Laboratories Inc.
Howard Jacqueline V.
Markowitz Steven H.
Ricci Alexander D.
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