Supermicronized process for coal comminution

Details Supermicronized process for coal comminution Supermicronized process for coal comminution

1983-09-09

1985-10-15

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

241 5, 241 29, B02C 1900

Patent

active

045469253

ABSTRACT:
Coal particles, typically having a particle diameter below approximately one micron, are produced by mechanical fracturing, the addition of a swelling agent, the further mechanical fracturing and removal of the swelling agent. In particular, gaseous anhydrous ammonia is employed as the entrainment fluid and swelling agent in a fluid energy mill for coal comminution.

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I.G.C. Dryden, "Solvent Power for Coals at Room Temperature Chemical and Physical Factors", Chemistry and Industry (Jun. 7, 1952), pp. 502-508.
D. Brenner, "Solvent-Induced Swelling of Thin Sections of Coal", Corporate Research Science Laboratories, Exxon Research and Engineering Company, pp. 244-253.

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