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Xiaodong Gao Patents |
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Inventor: Gao; Xiaodong
Address: Beijing, CN
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6365542 |
Presulfurization method of hydrogenation catalyst |
April 2, 2002 |
| A presulfurization method of hydrogenation catalyst comprises mixing an olefin-containing component, elemental sulfur and a promoter, heating the resultant mixture at 100-120.degree. C. for more than 0.5 hours, wherein the mole number of elemental sulfur is at least not less than that of |
| 5914290 |
Distillate hydrofining catalyst and a process for the preparation of the same |
June 22, 1999 |
| The present invention discloses a hydrofining catalyst. The catalyst has the following composition based on the total weight of the entire catalyst composition: 1-5%(wt.) nickel oxide, 12-35% (wt.) tungsten oxide, 1-9% (wt.) fluorine, and the balancing amount of composite alumina. Said |
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