Method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal
US4396394A · kind A · utility
121Cited by
5References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 21, 1981 |
| Grant date | Aug 2, 1983 |
| Priority date | — |
| Expiry date | Dec 21, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal by drying the low rank coal and thereafter cooling the dried coal to a temperature below about 100.degree. F. Optionally the dried coal is partially oxidized prior to cooling, and optionally the dried coal is mixed with a deactivating fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.