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US 2026/0168050 A1Published application
Methods of extracting platinum group metals
AssigneeNational University of Singapore
InventorsSalman Karim, Yen-Peng Ting
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Abstract
The present disclosure concerns a method of extracting platinum group metals (PGM) from a material, the method comprising surface oxidising the material; ultrasonicating the surface oxidised material of step a) in the presence of an acid; and bioleaching the ultrasonicated material in the presence of cyanide in order to form a leachate comprising PGM, the cyanide being formed from a cyanide producing microbe in the presence of a cyanide precursor.
Claims21
A method of extracting platinum group metals (PGM) from a material, the method comprising:
- a) surface oxidising the material;
- b) ultrasonicating the surface oxidised material of step a) in the presence of an acid;
- and
- c) bioleaching the ultrasonicated material of step b) in the presence of cyanide in order to form a leachate comprising PGM, the cyanide being formed from a cyanide producing microbe in the presence of a cyanide precursor.
1 more element
2-46. (canceled)
Dependencies are inferred from the claim text.