Method for the desulfurization of coal

Details Method for the desulfurization of coal Method for the desulfurization of coal

1978-12-06

1981-02-24

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

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

209 8, 209 40, 209214, 44 1SR, 241 24, B03B 100

Patent

active

042526388

ABSTRACT:
A method for reducing the sulfur content of coal which involves an integrated, continuous process including the steps of grinding the coal in a dry state, activating the ground coal to increase substantially the magnetic susceptibility of the pyrite contained therein, and separating the thus activated pyrite magnetically from the remainder of the coal.

REFERENCES:
patent: 2962231 (1960-11-01), Weston
patent: 3463310 (1969-08-01), Ergun
patent: 3754713 (1973-08-01), Kienast
patent: 4052170 (1977-10-01), Yan
patent: 4081251 (1978-03-01), Colli
patent: 4098584 (1978-07-01), Kindig
Min. Eng. Mag., Demineralization of Coal, Kester, May 1965, 72-76.

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