Method and apparatus for extracting tar sands

Details Method and apparatus for extracting tar sands Method and apparatus for extracting tar sands

C - Chemistry, Metallurgy

10

G

196/25

C10G 1/04 (2006.01) B01D 11/02 (2006.01) B03B 5/62 (2006.01) B03B 9/02 (2006.01)

Patent

CA 1160587

5164 BENJAMIN J. GIKIS ABNER Y. JONES RUDOLF ELBRECHT "METHOD AND APPARATUS FOR EXTRACTING TAR SAND" ABSTRACT OF DISCLOSURE Method and apparatus for separating coarse sand particles from fine sand particles in a slurry of sand and a solution such as results from the solvent extraction of tar sand, such method comprising causing flow of such slurry in a generally horizontal direction and then causing upward flow at a rate such that coarse particles settle out and fine particles move upwardly to a slurry outlet. The apparatus preferably comprises a tubular duct for downward flow, bottom openings in the duct for outward flow, a lower receptacle for coarse particles and an annular space surrounding the duct for upward flow of slurry of solution and fine sand particles.

391116

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