C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/06 (2006.01) C09K 5/00 (2006.01)
Patent
CA 2383207
Anti-corrosion solutions and processes useful for refrigeration processes are disclosed. Heteropoly complex anions of transitional metal elements can be added to an absorption solution which includes aqueous ammonia, alkali metal hydroxide and/or alkaline earth metal hydroxide, optionally in combination with transition metal compounds or compounds of the metallic elements of Groups IIIa to VIa of the Periodic Table of Elements to minimize corrosion of systems within which the solution is used.
L'invention concerne des solutions anticorrosion et des procédés utilisés dans des processus de réfrigération. Des hétéropolyanions complexes d'éléments de métaux de transition peuvent être ajoutés à une solution d'absorption, telle qu'une solution aqueuse d'ammoniac, un hydroxyde métallique alcalin et/ou un hydroxyde métallique alcalino-terreux, éventuellement associés à des composés de métaux de transition ou des composés des éléments métalliques des Groupes IIIa à VIa du tableau périodique des éléments, afin de réduire au minimum la corrosion des systèmes dans lesquels la solution est employée.
Sandor George Robert
Verma Shyam Kumar
Fmc Corporation
Rocky Research
Sim & Mcburney
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