Low rank coal by wet oxidizing, drying and cooling
US4797136A · kind A · utility
15Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1988 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Mar 15, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The spontaneous ignition of low rank coal is inhibited by spraying coal with an aqueous solution of an oxidizing agent which contains combined oxygen, drying oxidizing agent-sprayed coal and cooling the dried coal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.