发明名称 |
Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge |
摘要 |
A method of enhancing the recovery of useful coal or potassium chloride from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.005 lbs active polymer/ton dry solids in centrifuge to about 0.70 lbs active polymer/ton dry solids in centrifuge, of an anionic copolymer, wherein said anionic copolymer is selected from the group comprising copolymers of acrylamide and acrylic acid and the known salts thereof. |
申请公布号 |
US7189327(B2) |
申请公布日期 |
2007.03.13 |
申请号 |
US20040853840 |
申请日期 |
2004.05.26 |
申请人 |
NALCO COMPANY |
发明人 |
DIMAS PETER A.;MCGOUGH KENNETH M. |
分类号 |
C02F1/56;B01D21/26;B01D37/03;C02F1/38;C02F1/52;C08F220/34;C08F220/56;C08L23/08 |
主分类号 |
C02F1/56 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|