Treatment of tumbler reject

Details Treatment of tumbler reject Treatment of tumbler reject

C - Chemistry, Metallurgy

10

G

196/17

C10G 1/04 (2006.01)

Patent

CA 1066643

"TREATMENT OF TUMBLER REJECT" ABSTRACT OF THE DISCLOSURE In the hot water process wherein tar sand is slurried in a tumbler with hot water and sodium hydroxide, oversized material, rejected from the tumbler, is mixed with a portion of slurry flood water in a second slurrying device and subjected therein to heating and dispersal of bitumen as- sociated with the rejects. A bitumen-containing slurry is produced from the second device and this slurry is combined with the tumbler slurry and subsequently subjected to flota- tion to recover bitumen.

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