Method of handling ash-rich material in a coal deashing process
US4162964A · kind A · utility
2Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1978 |
| Grant date | Jul 31, 1979 |
| Priority date | — |
| Expiry date | Mar 20, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process and apparatus for maintaining continuous operation of a coal deashing process during periods of normal operation wherein a dry, powdery ash concentrate composition is produced and during process upsets wherein undesired semi-solids or fluid compositions are produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.