C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/27
C10G 1/04 (2006.01)
Patent
CA 1115226
A PROCESS FOR SELECTIVE RECOVERY OF RELATIVELY METALS FREE BITUMEN FROM TAR SAND USING A HALOGENATED ALIPHATIC SOLVENT Abstract of the Disclosure A process for the selective recovery of tar sand bitumen from tar sands using a halogenated aliphatic solvent. The process provides for an inexpensive method for selectively removing substantially metal-free tar sand bitumen from tar sands. The bitumen so recovered, renders the same amenable to catalytic desulfurization and upgrading processes.
307708
Paraskos John A.
Smith Edward W.
Gulf Research & Development Company
Mccarthy Tetrault Llp
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