Invention Grant
- Patent Title: Process for flocculation of a tailings stream
- Patent Title (中): 尾矿流絮凝工艺
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Application No.: US12608142Application Date: 2009-10-29
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Publication No.: US08388832B2Publication Date: 2013-03-05
- Inventor: Robert Harvey Moffett , Peter Andrin
- Applicant: Robert Harvey Moffett , Peter Andrin
- Applicant Address: US DE Wilmington
- Assignee: E. I. du Pont de Nemours and Company
- Current Assignee: E. I. du Pont de Nemours and Company
- Current Assignee Address: US DE Wilmington
- Agent Erik W. Perez
- Main IPC: C10G1/04
- IPC: C10G1/04 ; B01D21/01
Abstract:
A process for the treatment of a tailings stream is provided. The tailings stream comprises water, sand and clay fines and is produced from bitumen extraction process of an oil sands ore. The process for treating the tailings stream comprises contacting a polysilicate microgel, a polyacrylamide and one or both of a multivalent metal compound and a low molecular weight cationic organic polymer with a tailings stream to flocculate sand and clay fines.
Public/Granted literature
- US20100126910A1 PROCESS FOR FLOCCULATION OF A TAILINGS STREAM Public/Granted day:2010-05-27
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