C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
196/11
C10L 9/00 (2006.01) C10G 1/00 (2006.01)
Patent
CA 1147685
PROCESS FOR REMOVING SULFUR FROM COAL ABSTRACT OF THE DISCLOSURE, A process for reducing the sulfur content of coal, by the treatment of coal particles, contained in an aqueous slurry, of flotable coal-oil particles, with an oxygen- containing gas as elevated temperature and pressure, comprising the steps of: (a) feeding the oxygen-containing gas and the aqueous slurry Or floatable coal oil particles, at process pressure, to a bottom zone of a vertically disposed, elongated reactor vessel; (b) passing the gas and aqueous slurry in cocurrent flow upwardly through a baffled reaction zone, main- tained at reaction temperature and pressure, the baffled reaction zone having a plurality of baffle plates spaced therethrough generally normal to the reactor wall, each baffle plate having a configuration generally conforming to the internal diameter of the reactor vessel and a plurality of apertures disposed about the baffle plate, to provide a total aperture area equal to from about 3% to about 28% of the vessel cross-sectional area as free area; (c) continuously withdrawing the aqueous slurry and spent gas from a top zone of the reactor vessel; and (d) recovering from the aqueous slurry coal-oil particles wherein the coal particles possess a reduced sulfur content.
357859
Barbour James L.
Beckberger Lavern H.
Atlantic Richfield Company
Osler Hoskin & Harcourt Llp
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