C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/02 (2006.01) C10L 9/10 (2006.01) C21B 5/00 (2006.01)
Patent
CA 2516491
Methods and compositions for inhibiting corrosion of metal surfaces in a furnace system are disclosed. In one aspect of the invention, pulverized coal is burned as fuel in the presence of a copper ion catalyst/combustion aid. Corrosion is inhibited in these systems by the use of a blend of primary aminoalcohol such as 2-aminoethanol, tertiary aminoalcohol such as triethanol amine, and boric acid or water soluble salt form of the acid.
L'invention concerne des procédés et des compositions destinés à inhiber la corrosion de surfaces métalliques dans un système de four. Dans aspect de l'invention, du charbon pulvérisé est brûlé comme combustible en présence d'un catalyseur ionique de cuivre/adjuvant de combustion. La corrosion est inhibée dans ces systèmes au moyen d'un mélange d'un aminoalcool primaire tel que le 2-aminoéthanol, d'un aminoalcool tertiaire tel que la triéthanolamine, et d'un acide borique ou d'une forme saline hydrosoluble de cet acide.
Blandford Nicholas Robert
Perez Libardo A.
Company General Electric
Craig Wilson And Company
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