C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/208
C10G 25/09 (2006.01)
Patent
CA 1169011
ABSTRACT OF THE DISCLOSURE An improvement is disclosed on selective vaporization for decarbonizing and demetallizing heavy petroleum stocks by short time riser contact with hot inert solid contact material. Flexibility is imparted to that process by suspending the contact material in steam or other carrier gas and adding the heavy petroleum stock at variable levels in the riser.
381909
Engelhard Corporation
Smart & Biggar
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