Coal cleaning and the removal of ash from coal

Details Coal cleaning and the removal of ash from coal Coal cleaning and the removal of ash from coal

1984-10-03

1986-03-11

Lutter, Frank W.

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Sorting special items or sorting by methods and apparatus...

209172, 241 20, 44 1SR, 570263, 203 42, 203 49, B03B 528, C10L 100, C07C 500

Patent

active

045754187

ABSTRACT:
There is disclosed the process for the separation of the clay particles (ash) from coal particles by the use of two immiscible liquids followed by the separation and removal of the liquids from the solids.

REFERENCES:
patent: 1294519 (1919-02-01), Moxham
patent: 2150917 (1939-03-01), Fonlke et al.
patent: 2496703 (1960-02-01), Ekbom
patent: 2686592 (1954-08-01), Miller
patent: 3599879 (1971-08-01), Clark
patent: 4173530 (1979-11-01), Smith et al.
patent: 4198289 (1980-04-01), Elliot et al.
patent: 4324560 (1982-04-01), Fonseca

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