PDU-scale testing of microbubble flotation
Technical Report
·
OSTI ID:5748458
During this past quarter the performance comparison between the microbubble column and conventional flotation cells (Task 1.2.5 -- Coarse Coal Flotation) continued using minus-28-mesh Upper Freeport seam coal. For an equivalent recovery, the microbubble column reduced the final ash content of the product by more than 50% of that obtained for conventional flotation. It was found that the 14-inch microbubble column could produce a 10% ash product with combustible recoveries greater than 90%, as compared to a 20% ash conventional flotation product. 2 figs., 1 tab.
- Research Organization:
- Virginia Polytechnic Inst. and State Univ., Blacksburg, VA (USA). Dept. of Mining and Minerals Engineering
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC22-86PC91274
- OSTI ID:
- 5748458
- Report Number(s):
- DOE/PC/91274-T3; ON: DE91012249
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
COAL FINES
FLOTATION
COAL PREPARATION
PILOT PLANTS
AERATION
BUBBLES
COAL
COMPILED DATA
DEASHING
FLOW RATE
PERFORMANCE TESTING
PROGRESS REPORT
SEPARATION EQUIPMENT
WASHING
CARBONACEOUS MATERIALS
CLEANING
DATA
DOCUMENT TYPES
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
INFORMATION
MATERIALS
NUMERICAL DATA
SEPARATION PROCESSES
TESTING
010300* - Coal
Lignite
& Peat- Preparation- (1987-)
COAL FINES
FLOTATION
COAL PREPARATION
PILOT PLANTS
AERATION
BUBBLES
COAL
COMPILED DATA
DEASHING
FLOW RATE
PERFORMANCE TESTING
PROGRESS REPORT
SEPARATION EQUIPMENT
WASHING
CARBONACEOUS MATERIALS
CLEANING
DATA
DOCUMENT TYPES
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
INFORMATION
MATERIALS
NUMERICAL DATA
SEPARATION PROCESSES
TESTING
010300* - Coal
Lignite
& Peat- Preparation- (1987-)