Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1984-05-17
1986-06-10
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
44 51, 241 21, 241 24, 241 29, B02C 1912
Patent
active
045938598
ABSTRACT:
This process, which comprises subjecting coal to gravity classification to classify into a low ash coal, a middle ash coal and a high ash coal; deashing the middle ash coal by flotation; and using the deashed middle ash coal together with the low ash coal as the materials for producing a coal-water slurry, provides a low ash content and high solid content coal-water slurry in a high coal recovery as well as economically. This coal-water slurry is able to handle, store and burn as are fuel oils.
REFERENCES:
patent: 4132365 (1979-01-01), Verschoor
Aoki Kaoru
Ito Hayami
Ito Masazumi
Kamao Mitsugu
Kuwabara Takashi
Electric Power Development Co. Ltd.
Kawasaki Jukogyo Kabushiki Kaisha
Rosenbaum Mark
Sumitomo Heavy Industrie's, Ltd.
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