C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/173
C10G 55/04 (2006.01) C10G 9/00 (2006.01) C10G 67/02 (2006.01) C10G 67/04 (2006.01)
Patent
CA 1296285
ABSTRACT OF THE DISCLOSURE Prior to upgrading a viscous feed by visbreaking, at least a portion of the feed is treated to remove a heavy phase in specified amounts, whereby the severity of the visbreaking may be increased. The Shell Hot Filtration number of the visbreaking product is reduced by at least 75%, compared to visbreaking of untreated feed at the same severity.
554607
Chen James M.
Feldman Robert J.
Fogman C. Bertil
Rhoe Andrei
Satchell Donald P.
Lummus Crest Inc.
Smart & Biggar
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