2results about How to "High Hydrodesulfurization" patented technology

The application discloses a kind of hydroprocessing catalyst and its preparation method and application.The method comprises the following steps: the alumina-based carrier is oversaturated and impregnated in the impregnation solution containing dopamine, protective agent and hydrogenation active metal, the pH value of system is adjusted, so that dopamine is self-polymerized on the pore channel surface of alumina-based carrier, then washed, dried, pre-carbon deposition, calcination, to obtain a hydroprocessing catalyst.The hydrogenation catalyst prepared by the method of the application is obviously improved in desulfurization and denitrification activity and stability.

The invention relates to a titanium modified hydrofining catalyst as well as a preparation method and application thereof. Based on the total weight of the titanium-modified hydrofining catalyst, the titanium-modified hydrofining catalyst comprises the following components in percentage by weight: 50-80% of a carrier, 10-40% of a main active metal component, 1-15% of a first auxiliary active metal component and 1-30% of a second auxiliary active metal component, the main active metal component is selected from one or more of VIB group metal elements, the first auxiliary active metal component is selected from one or more of VIII group metal elements, and the second auxiliary active metal component comprises a titanium element; the carrier includes alumina. According to the invention, the titanium modified hydrofining catalyst can be prepared simply and conveniently, and the catalyst has high catalytic activity.