C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/241
C10G 19/02 (2006.01) B01J 13/02 (2006.01) C11D 1/66 (2006.01)
Patent
CA 2040196
Abstract A process is described for removing mineral or ash constituents from heavy hydrocarbon residues, such as those resulting from coal-oil coprocessing, residue hydrocracking or coal liquifaction. The process comprises the steps of: (a) intimately mixing the ash-containing heavy hydrocarbon oil residue with a surfactant and a pH-conditioned aqueous solution under high shear mixing conditions to disperse the ash-containing residue in the aqueous phase thereby creating a fine oil-in-water emulsion, (b) adding a strong oxidizing agent to the emulsion to thereby break the emulsion and release the ash into the aqueous phase and (c) separating the ash-containing aqueous phase from the oil phase.
Cooke Norman E.
Halevy Marc
Ikura Michio
Weber Martin E.
Cooke Norman E.
Halevy Marc
Her Majesty In Right Of Canada As Represented By The Minister Of
Ikura Michio
Kirby Eades Gale Baker
LandOfFree
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