Inhibiting spontaneous combustion of coal char
US4170456A · kind A · utility
14Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1978 |
| Grant date | Oct 9, 1979 |
| Priority date | — |
| Expiry date | Nov 22, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of inhibiting the spontaneous combustion of coal char which comprises treating coal char with air following by carbon dioxide to deactivate the surface of the coal char to oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.