PROCESS TO PREPARE A BASE OIL HAVING A VISCOSITY INDEX OF BETWEEN 80 AND 140
Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurization catalyst comprising nickel and tungsten on an acid amorphous silica-alumina...
Saved in:
Main Authors | , |
---|---|
Format | Patent |
Language | English Portuguese |
Published |
29.05.2008
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurization catalyst comprising nickel and tungsten on an acid amorphous silica-alumina carrier and (b) performing a pour point reducing step on the effluent of step (a) to obtain the base oil. |
---|---|
Bibliography: | Application Number: PT20030799548T |