Process for removing sulfur from coal
US4158548A · kind A · utility
19Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1978 |
| Grant date | Jun 19, 1979 |
| Priority date | — |
| Expiry date | Mar 15, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for reducing the pyritic sulfur content of coal comprising: PA1 (1) contacting coal particles with an aqueous solution of iron complexing agent, and an oxidant; and; PA1 (2) recovering coal particles of reduced sulfur content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.