C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/202, 196/278
C10G 7/00 (2006.01) B01D 3/14 (2006.01) C10G 7/06 (2006.01) C10G 29/06 (2006.01) C10M 175/00 (2006.01)
Patent
CA 1177009
ABSTRACT OF THE DISCLOSURE A novel process for the purification of used oil comprising removing the ash-forming components, then subjecting the oil to vacuum fractionation. A novel vacuum fractionation column is also disclosed.
400619
Macqueen Donald K.
Wood William E.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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