Treatment of coal with metal containing compounds

Details Treatment of coal with metal containing compounds Treatment of coal with metal containing compounds

C - Chemistry, Metallurgy

10

L

196/11

C10L 3/02 (2006.01) C10L 9/02 (2006.01)

Patent

CA 1111794

TREATMENT OF COAL WITH JAMES K. KINDIC and METAL CONTAINING COMPOUNDS RONALD L. TURNER ABSTRACT OF THE DISCLOSURE Raw coal is improved by reacting it with a metal containing compound selected from the group consisting of organic iron containing compounds which exert sufficient vapor pressure, with iron as a component in the vapor, so as to bring the iron into contact with the impurity at the reaction temperature, organic iron containing compounds in solution at the injection temperature, solid organic iron containing compounds capable of being directly mixed in solid form at the mixing temperature with the coal, and ferrous chloride, ferric chloride, and alkyl aluminum compounds, in order to enhance the magnetic susceptibility of certain impurities, e.g., pyrite and ash-forming minerals contained in the raw coal, thereby permitting the removal of these impurities by magnetic means.

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