Coal cleaning and the removal of ash from coal
US4575418A · kind A · utility
18Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 3, 1984 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Oct 3, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D36/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is disclosed the process for the separation of the clay particles (ash) from coal particles by the use of two immiscible liquids followed by the separation and removal of the liquids from the solids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.