Mineral oils: processes and products – Refining – Sulfur removal
Patent
1975-11-17
1977-04-05
Crasanakis, George
Mineral oils: processes and products
Refining
Sulfur removal
C10G 2302
Patent
active
040160700
ABSTRACT:
A multiple stage process for hydrodesulfurizing a residual oil while passing the oil downwardly through a plurality of stages in series with an interstage flashing step. After the catalyst in the downstream stage is deactivated by coke deposition, fresh feed oil is passed directly to the deactivated catalyst to obtain an extended life in the downstream catalyst.
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patent: 3607000 (1971-09-01), Beal et al.
patent: 3795607 (1974-03-01), Adams et al.
patent: 3850744 (1974-11-01), Plundo et al.
Christman Robert D.
Lasher Jordan S.
Paraskos John A.
Yanik Stephen J.
Crasanakis George
Gulf Research & Development Company
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