Invention Grant
- Patent Title: Dry, stackable tailings and methods for producing the same
- Patent Title (中): 干燥,可堆叠的尾矿及其制造方法
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Application No.: US12512758Application Date: 2009-07-30
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Publication No.: US08257580B2Publication Date: 2012-09-04
- Inventor: Willem P. C. Duyvesteyn , Julian Kift
- Applicant: Willem P. C. Duyvesteyn , Julian Kift
- Applicant Address: CA Calgary, Alberta
- Assignee: Marathon Oil Canada Corporation
- Current Assignee: Marathon Oil Canada Corporation
- Current Assignee Address: CA Calgary, Alberta
- Agency: Holland & Hart LLP
- Main IPC: C10G1/04
- IPC: C10G1/04

Abstract:
Methods for preparing solvent-dry, stackable tailings. The methods may include a primary leaching or extraction process that separates most of the bitumen from a material comprising bitumen and produces first solvent-wet tailings. The first solvent-wet tailings are washed with a second solvent that removes the first solvent from the tailings. Second solvent remaining in the tailings is removed to thereby produce solvent-dry, stackable tailings.
Public/Granted literature
- US20090301937A1 DRY,STACKABLE TAILINGS AND METHODS FOR PRODUCING THE SAME Public/Granted day:2009-12-10
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