China Petroleum Chemical Corporation

Research Institute of Petroleum Processing, Sinopec

Yichao Mao

Hong Nie

Mingfeng Li

Zhihai Hu

Runqiang Zhang

Yang Zhao

Dadong Li

Yahua Shi

Xiangyun Long

Jianwei Dong

Zhenlin Xiong

Guangle Zhao

Qinghe Yang

Disclosed are a phosphorus-containing high-silica molecular sieve, its preparation and application thereof, wherein the molecular sieve comprises about 86.5-99.8 wt % of silicon, about 0.1-13.5 wt % of aluminum and about 0.01-6 wt % of phosphorus, calculated as oxides and based on the dry weight of the molecular sieve, the molecular sieve has an XRD pattern with at least three diffraction peaks, the first strong peak is present at a diffraction angle of about 5.9-6.9°, the second strong peak is present at a diffraction angle of about 10.0-11.0°, and the third strong peak is present at a diffraction angle of about 15.6-16.7°. The phosphorus-containing high-silica molecular sieve shows an improved hydrocracking activity in the presence of nitrogen-containing species when used in the preparation of hydrocracking catalysts.

Phosphorus-containing high-silica molecular sieve, its preparation and application thereof

A phosphorus-containing molecular sieve has a phosphorus content of about 0.3-5 wt %, a pore volume of about 0.2-0.95 ml/g, and a ratio of B acid content to L acid content of about 2-10. The molecular sieve has a specific combination of characteristics, including a high ratio of B acid content to L acid content, thereby exhibiting higher hydrocracking activity and ring-opening selectivity when used in the preparation of a hydrocracking catalyst.

Phosphorus-containing molecular sieve, its preparation and application thereof

A hydrocracking catalyst comprises a support, at least one of VIII Group metal components, and at least one of VIB Group metal components. The support comprises an acidic silica-alumina component and alumina derived from a pseudo-boehmite component, wherein the content of the acidic silica-alumina component is 3-80 wt %, the content of alumina derived from the pseudo-boehmite component is 20-95 wt %, based on the support. The support is obtained by mixing, molding, drying and calcining the acidic silica-alumina component with the pseudo-boehmite component, wherein said pseudo-boehmite component comprises pseudo-boehmite PB1 and pseudo-boehmite PB2, wherein the content of PB1 is 10-90 wt % and the content of PB2 is 0-60 wt % on a dry basis and based on the support.

Hydrocracking catalyst and use of the same

The present invention relates to a hydrocracking catalyst comprising an acidic silica-alumina, an optional alumina, an effective quantity of at least one VIII Group metal component(s), an effective quantity of at least one VIB Group metal component(s) and an organic additive, wherein the organic additive is one or more selected from the group consisting of an oxygen-containing or nitrogen-containing organic compound, and the molar ratio of the organic additive to the VIII Group metal component(s) is 0.01-10. The present invention relates further to a process for producing the hydrocracking catalyst and use of the catalyst in a process for hydrocracking hydrocarbon oils. The hydrocracking catalyst provided according to the present invention shows a higher activity for aromatic hydrosaturating and ring-opening reaction, as compared with the prior art hydrocracking catalyst.

Hydrocracking catalyst, a process for producing the same, and the use of the same

The present invention provides a hydrocracking catalyst comprising a moulded composite support of a zeolite molecular sieve with alumina, at least one of VIII Group metal components, at least one of VIB Group metal components and an organic additive; said organic additive is one or more compounds selected from the group consisting of oxygen-containing or nitrogen-containing organic compounds; the content of said zeolite molecular sieve is 3&#x2dc;60 wt %, the content of said alumina is 10&#x2dc;80 wt %, and the content of said organic additive is 0.1&#x2dc;40 wt % based on the weight of said catalyst; the content of said VIII Group metal component is 1&#x2dc;15 wt % and the content of said VIB Group metal component is 5&#x2dc;40 wt % as calculated on oxide and based on the weight of said catalyst. The present invention relates also to a preparation method of said hydrocracking catalyst and use of the catalyst in the hydrocracking process of hydrocarbon oil. In comparison with the method in existing arts, the hydrocracking catalyst provided according to the present invention has the aromatic-hydrogenation conversion activity increased obviously.

Hydrocracking catalyst, the preparation process and use of the same

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Beijing, China

Yichao Mao