Dewatering sand with surfactants
US6797180B2 · kind B2 · utility
1Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2002 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Sep 20, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B2200/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods of enhancing the dewatering of sand are disclosed. The methods include adding an anionic or nonionic surfactant to the wet sand prior to dewatering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.