C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/00 (2006.01) C09K 5/04 (2006.01) C23F 11/18 (2006.01) F25B 17/02 (2006.01)
Patent
CA 2174184
A corrosion inhibiting working fluid for absorption refrigeration systems and a method of manufacturing such a fluid. The fluid is an aqueous solution of a halogen salt of lithium or ammonia to which are added water soluble compounds containing molybdates, borates and, in a preferred embodiment, silicates. Preferred concentrations of the resultant molybdenum, boron and silicon ions are disclosed. A water soluble compound containing a hydroxide is also added to produce an alkaline normality. In a preferred method of manufacture, the additive compounds are added to the working fluid as aqueous solutions.
Carrier Corporation
Gowling Lafleur Henderson Llp
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