Heat-transfer medium and methods of making and using the same
AssigneeNew World ZGM Limited
InventorShaofu Ming
Life of this patent
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Abstract
The present invention relates to a heat-transfer medium having an aqueous solution of one or more kinds of salts wherein at least one kind of salt is selected from the group of coordination compounds formed between one or more metallic ions of copper, silver, gold, nickel, chromium, zinc and cobalt, and organic or inorganic acid. The coordination compounds can optionally contain ammonia. The pH of the heat-transfer medium can be from 6 to 10, preferably is 7. The present invention also relates a method for preparing the heat-transfer medium and its application in heat-transfer equipment.
Claims10
A method for preparing a heat-transfer medium, comprising
- dissolving one or more salts in water to form at least a coordination compound between metallic ions selected from copper, silver, gold, nickel, chromium, zinc and cobalt, and an organic or inorganic acid;
- and
- adjusting the pH of the heat-transfer medium to be in the range of about 6 to 10.
Dependencies are inferred from the claim text.