Drying low rank coal and retarding spontaneous ignition
US4828576A · kind A · utility
18Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Mar 14, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Particulate coal is rendered less subject to spontaneous ignition by simultaneously spraying or otherwise contacting it and cooling it with an aqueous emulsion in water of foots oils, petrolatum filtrate, or hydrocracker recycle oils in water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.