Invention Grant
US5622647A Dadmac/vinyl trialkoxysilane copolymers for dewatering in the mining
industry
失效
用于采矿业脱水的Dadmac /乙烯基三烷氧基硅烷共聚物
- Patent Title: Dadmac/vinyl trialkoxysilane copolymers for dewatering in the mining industry
- Patent Title (中): 用于采矿业脱水的Dadmac /乙烯基三烷氧基硅烷共聚物
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Application No.: US447302Application Date: 1995-05-22
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Publication No.: US5622647APublication Date: 1997-04-22
- Inventor: E. Michael Kerr , Manian Ramesh
- Applicant: E. Michael Kerr , Manian Ramesh
- Applicant Address: IL Naperville
- Assignee: Nalco Chemical Company
- Current Assignee: Nalco Chemical Company
- Current Assignee Address: IL Naperville
- Main IPC: B01D21/01
- IPC: B01D21/01 ; B03D3/02 ; C02F1/56 ; C10L9/10
Abstract:
A method for dewatering coal tailings, clean coal products and mineral slurries, as well as for the clarification of water contained in coal refuse slurries, employing a copolymer of diallyldimethlylammonium halide and a vinyl alkoxysilane, which is preferably a copolymer of diallyldimethylammonium chloride and vinyltrimethoxysilane as a coagulant is disclosed.
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