发明名称 |
Process for the preparation of lubricating base oils |
摘要 |
Process for the preparation of a lubricating base oil comprising the steps of: (a) contacting a hydrocarbon oil feed in a first stage with hydrogen in the presence of a catalyst comprising at least one Group VIII noble metal component on an refractory oxide support; (b) contacting the liquid effluent in a second stage with hydrogen in the presence of a hydroconversion catalyst under hydroconversion conditions, and (c) recovering at least one lubricating base oil having a viscosity index of at least 80.
|
申请公布号 |
EP0743351(A2) |
申请公布日期 |
1996.11.20 |
申请号 |
EP19960201338 |
申请日期 |
1996.05.15 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
GILSON, JEAN-PIERRE;GRANDVALLET, PIERRE;WARDLE, PETER JAMES |
分类号 |
C10G65/08;(IPC1-7):C10G65/12 |
主分类号 |
C10G65/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|