Coal desulfurization process

Details Coal desulfurization process Coal desulfurization process

1976-11-22

1978-02-28

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 6, 201 17, C10L 910, C10L 900, C10B 5700

Patent

active

040765059

ABSTRACT:
This invention provides an improved process for reducing the pyritic sulfur content of coal, which process involves (1) contacting finely divided coal under sink-float separation conditions with a heavy organic parting medium which contains dissolved therein a dispersant quantity of a novel type of soluble sulfanilate ionic surfactant; and (2) separating a coal float phase from the liquid medium system, and recovering coal which has a lower sulfur and ash content than the untreated raw coal.

REFERENCES:
patent: 2346151 (1944-04-01), Burk et al.
patent: 2448605 (1948-09-01), Kleinicke
patent: 3252769 (1966-05-01), Nagelvoort
patent: 3988120 (1976-10-01), Chia

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