Petrochina Company Limited

Dongqing Wang

Ruifeng Li

Famin Sun

Wencheng Zhang

Jintao Guo

Quanguo Zhang

Guojia Zhang

Chunmei Yu

Rui Li

Shanbin Gao

Zhihua Zhang

Bin Xie

Yanfeng Liu

Shengbo Sun

Wenyong Liu

Xinmiao Wang

Cheng Tang

Xiaodong Yang

Sheng Hu

Lili Jiang

Tan Zhao

Jinxian Jiang

Yuhe Yang

Jingying Zhao

Hong Li

Disclosed are a method for preparing a noble metal hydrogenation catalyst comprising preparing a carrier from a molecular sieve having a 10-member ring structure and/or an amorphous porous material; preparing a noble metal impregnation solution; and preparing noble metal impregnation solutions in a concentration gradient ranging from 0.05 to 5.0 wt % with deionized water, and sequentially impregnating the carrier with the impregnation solutions from low to high concentrations during the carrier impregnation process, or preparing a noble metal impregnation solution at a low concentration ranging from 0.05 to 0.5 wt % and impregnating the carrier by gradually increasing the concentration of the noble metal impregnation solution to 2.0 to 5.0 wt % in the impregnation process, followed by homogenization, drying, and calcination, as well as a noble metal hydrogenation catalyst, use thereof, and a method for preparing lubricant base oil.

Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof

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Daqing, China

Dongqing Wang