Catalytic hydroprocessing a good alternative to solvent processing

Faced with pressures to reduce process costs and improve base-oil quality, Mobil Oil Corp. has developed several hydroprocessing catalysts as an alternative to conventional solvent processing: Mobil lube dewaxing (MLDW), Mobil selective dewaxing (MSDW), and Mobil wax isomerization (MWI) catalysts. C...

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Bibliographic Details
Published in:The Oil & gas journal 1998-07, Vol.96 (29), p.58
Main Authors: Helton, Terry E, Degnan, Thomas F, Mazzone, Dominick N, McGuiness, Mary P
Format: Magazinearticle
Language:English
Subjects:
Catalysts
Hydrogen
Hydrogenation
Lubricants & lubrication
Petroleum industry
Poisons
Processes
Refineries
Solvents
Studies
Technology
Viscosity
Zeolites
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Summary:Faced with pressures to reduce process costs and improve base-oil quality, Mobil Oil Corp. has developed several hydroprocessing catalysts as an alternative to conventional solvent processing: Mobil lube dewaxing (MLDW), Mobil selective dewaxing (MSDW), and Mobil wax isomerization (MWI) catalysts. Cycle length no longer appears to be a concern for lube hydroprocessing and dewaxing. MLDW catalysts can sustain a year or more between hydrogen reactivations and 4 years between oxygen regenerations. The isomerization dewaxing catalysts also require very infrequent regeneration because they contain strong metal functions. These lengthened-catalyst cycles help make the catalytic hydroprocessing route preferable to solvent processing.
ISSN:0030-1388
1944-9151