Recovery of coal fines from preparation plant effluents. Final technical report, September 1, 1990--August 31, 1991
The objectives of this project were to test and demonstrate the feasibility of recovering coal fines that are currently disposed of with coal preparation plant effluent streams and producing a fine clean coal product that can be blended with the plant coarse clean coal. This recovery was effected by means of Michigan Technological University`s static tube flotation process, which was successfully demonstrated on a number of raw coals to reject 85% of the pyritic sulfur and recover 90% of the combustible matter. Under this project, the process parameters for the technology were modified for this application in order to recover a low-ash, low-sulfur clean coal that is, at a minimum, compatible with the quality of the clean coal currently produced by the preparation plant.
- Research Organization:
- Praxis Engineers, Inc., Milpitas, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-90PC90176
- OSTI ID:
- 10107314
- Report Number(s):
- DOE/PC/90176--T61; ON: DE92004197
- Country of Publication:
- United States
- Language:
- English
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