C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/5.8
C10G 1/08 (2006.01)
Patent
CA 1126186
ABSTRACT OF THE DISCLOSURE Process for separating feed slurry, produced by high temperature hydrogenation of solid hydrocarbon fuel and containing fine solids and polar liquids and oil, into first fraction (oil) and second fraction (fine solids and polar liquids), where (a) the slurry is mixed with a nonpolar sol- vent in a vertical column having (1) settling, (2) con- tacting and (3) collection zones, (1) and (2) being operated at 100°C-250°C and sufficient pressure to keep slurry and solvent in liquid state but less than 450 psi (317 kg/cm2). The slurry is introduced near the top of (2) and the solvent near the bottom of (2 and in a weight ratio of at least 0.5:1. They are mixed such that the solvent passes up through the column and contacts the slurry in countercurrent man- ner and extracts the slurry from the oil; and (b) the first fraction is recovered from (1) as an overflow, and the second fraction from (3) as an underflow. 18,394A-F
331941
Moll Norman G.
Quarderer George J.
Smart & Biggar
The Dow Chemical Company
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