公开(公告)号：US20220204875A1

公开(公告)日：2022-06-30

申请号：US17138039

申请日：2020-12-30

Applicant: Chevron U.S.A. Inc.

Inventor： Jay Parekh ,  Jifei Jia ,  Guan-Dao Lei ,  Kenny Peinado ,  Yihua Zhang ,  Shanying Lee

IPC: C10G67/02 ,  C10M101/02 ,  C10M177/00

Abstract: A process for preparing a base oil from a waxy hydrocarbon feedstock is provided. The process comprises passing the hydrocarbon feedstock to a distillation column prior to dewaxing in order to recover a heavy wax cut. The heavy wax is then hydrocracked to lower boiling compounds which can be better isomerized to a base oil with an acceptable cloud point. The base oil yield is also increased.