Process for desulfurization of coal and ores

Details Process for desulfurization of coal and ores Process for desulfurization of coal and ores

1991-03-18

1993-06-08

Johnson, Jerry

Fuel and related compositions

Coal treating process or product thereof

44622, C10L 900, C10L 906, C10L 902

Patent

active

052175030

ABSTRACT:
An additional step directed to the Starbuck process of desulfurizing coal and ores, as described and claimed in reissue patent No. RE. 32,454 dated Jul. 7, 1987, including the treatment of non-weathered coal ore to simulate weathered coal ore. Several approaches are presented which result in increased sulfur removal and increased pyrite removal.

REFERENCES:
patent: Re32454 (1987-07-01), Starbuck
patent: 4448584 (1984-05-01), Masologites
patent: 4528069 (1985-07-01), DuBroff
patent: 4655896 (1987-04-01), Yoon
patent: 4725337 (1988-02-01), Greene

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