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US 10,647,589 B2Granted
Polyoxometalate and method for producing polyoxometalate
AssigneeJX Nippon Mining & Metals Corporation
InventorToshifumi Kawamura
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Abstract
Provided is a novel polyoxometalate and a method for producing the polyoxometalate. The polyoxometalate is represented by the compositional formula: MxOy in which M is tungsten, molybdenum or vanadium; 4≤x≤1000; and 2.5≤y/x≤7.
Claims15
A method for producing a polyoxometalate, comprising:
- subjecting a raw material mixture comprising at least one valuable containing tungsten, molybdenum or vanadium to electrolysis using an organic electrolytic solution containing at least one alcohol amine to dissolve tungsten, molybdenum or vanadium in the electrolytic solution;
- and
- adding a poor solvent including an alcohol, an acetone, an ether, an amine or an ester to the electrolytic solution in which tungsten, molybdenum or vanadium has been dissolved, to produce a precipitate of a polyoxometalate of tungsten, molybdenum or vanadium.
Dependencies are inferred from the claim text.