Invention Grant
- Patent Title: Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
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Application No.: US16744041Application Date: 2020-01-15
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Publication No.: US10781502B2Publication Date: 2020-09-22
- Inventor: David Dixon , Oscar Olvera Olmedo , Edouard Asselin , Ahmad Ghahreman , Zihe Ren
- Applicant: The University of British Columbia
- Applicant Address: CA Vancouver, British
- Assignee: The University of British Columbia
- Current Assignee: The University of British Columbia
- Current Assignee Address: CA Vancouver, British
- Agency: Bozicevic, Field & Francis LLP
- Agent Rudy J. Ng
- Main IPC: C22B3/08
- IPC: C22B3/08 ; C22B3/00 ; C22B15/00 ; C22B3/42 ; C01G1/00 ; C01G11/00 ; C01G53/10 ; C01G3/10 ; C25C1/12 ; C22B3/20 ; C01G49/14
Abstract:
This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
Public/Granted literature
- US20200149132A1 Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups Public/Granted day:2020-05-14
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