Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Kenneth W. Kuehn"'
Publikováno v:
International Journal of Coal Geology. 79:92-96
The Middlesboro Basin, southeastern Kentucky, occurs on the Cumberland Overthrust Sheet and includes a ca. 5.5-km diameter impact structure. The Lower and Middle Pennsylvanian coal-bearing strata are faulted, with some evidence for shock metamorphism
Publikováno v:
Fuel Processing Technology. 67:23-33
Maceral and microlithotype partitioning among several coals processed through a column flotation system installed at Powell Mountain Coal Mayflower Plant in Virginia was examined. Column flotation produces a product enriched in vitrinite and the vitr
Publikováno v:
International Journal of Coal Geology. 42:231-240
A single Eastern Kentucky high volatile A bituminous coal was prepared into 24 polished pellets, each of which was point counted at 0.4-mm intervals by a single operator. Examination of the resulting data, both in paired sequences of 500 counts from
Publikováno v:
Fuel Processing Technology. 50:185-198
The petrographic response of three high volatile A bituminous, petrographically complex eastern Kentucky coals to oil agglomeration was tested using several agglomerating oils. Four oils, hexane, fuel oil, kerosene, and pentane, were tested on the Le
Autor:
G. M. Ruba, William G. Lloyd, Kenneth W. Kuehn, D. L. Withers, M. Zhu, D.W. Kuehn, F. J. Hayes, John T. Riley
Publikováno v:
Coal Preparation. 10:145-158
Mid-rank coals are rapidly comminuted by a stirred-ball slurry attritor mill. For individual coals the ease of comminution for slurry attrition correlates weakly with the Hardgrove Grindability Index. Relative hardness values from extended Hardgrove
Publikováno v:
Organic Geochemistry. 12:413-417
Milling characteristics of six bituminous coals having Hardgrove grindabilities ranging from 54 to 112 were examined. The percentages of sample weight, ash, sulfur, and maceral groups for each coal were found to vary depending on the particle size fr