Invention Grant
- Patent Title: Process for mercury control during pressure oxidation
- Patent Title (中): 压力氧化过程中的汞控制
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Application No.: US12208961Application Date: 2008-09-11
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Publication No.: US07918919B2Publication Date: 2011-04-05
- Inventor: Daniel Hillier , Noelene Ahern , Yeonuk Choi
- Applicant: Daniel Hillier , Noelene Ahern , Yeonuk Choi
- Applicant Address: CA Toronto
- Assignee: Barrick Gold Corporation
- Current Assignee: Barrick Gold Corporation
- Current Assignee Address: CA Toronto
- Agency: Sheridan Ross P.C.
- Main IPC: C22B3/04
- IPC: C22B3/04

Abstract:
A method for suppressing mercury dissolution during pressure oxidation of precious metal-containing materials in the presence of halogens and halides is provided. Pressure oxidation is performed under controlled oxidative conditions to maintain the mercury predominantly in the solid residue.
Public/Granted literature
- US20090074608A1 PROCESS FOR MERCURY CONTROL DURING PRESSURE OXIDATION Public/Granted day:2009-03-19
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