Hydrophobically-modified polymers for dewatering in mining processes
US5603841A · kind A · utility
19Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1995 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Oct 31, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B5/005
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention is a method for dewatering waste solids generated in mineral processing operations utilizing a hydrophobically-modified copolymer coagulant of diallyldimethyl ammonium chloride and quaternized dimethylaminoethyl acrylate or quaternized dimethylaminoethyl methacrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.