Research Institute of Petroleum Processing, Sinopec

Other

China Petroleum & Chemical Corporation

China Petrochemical Corporation

Zhiqing Yu

Enze Min

Jingjie Guan

Jun Long

Zhenyu Chen

Zhijian Da

Xieqing Wang

Yi Liao

Caiying Li

Zhiqing Huang

Qinglin Liu

Zhengyu Chen

Yi c/o China Patent Agent Ltd Liao

The present invention relates to a cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using said catalyst. Said catalyst is prepared by the process comprising the following steps: mixing and slurrying an expandable clay, a modifier component, pseudo-boehmite and water for 0.1-10 h to obtain a slurry, aging the slurry at 50-85&#xb0; C. for 0.1-10 h, then drying and forming the slurry to obtain a formed material, water washing and aging the solid, and finally drying and calcining the solid, and said modifier being one or more selected from the group consisting of hydroxyl polymers of silicon, aluminum, zirconium or titanium, and substances comprising one or more of said hydroxyl polymers. Said process for cracking hydrocarbon oils comprises contacting a hydrocarbon oil with a catalyst under the cracking conditions, said catalyst being the aforesaid cracking catalyst comprising layered clays or a mixture of at least 1% by weight of said cracking catalyst comprising layered clays and a prior cracking catalyst. The catalyst according to the present invention has an improved ability to convert heavy oils. The process according to the present invention for cracking hydrocarbon oils has higher conversion of hydrocarbon oils and higher yield of light oils.

Cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using the same

Pillared clay catalysts for converting heavy oil or residual feedstock into maximum ethylene, propylene and butylene products comprises 30-75 wt % special pillared clays prepared by aluminum pillaring agents of high alkaline degree, 10-40 wt % inorganic oxide bonding agents, 0-30 wt % ZRP series high silicon zeolites with pentasil structure or Y-type zeolites, 0-10 wt % modified compositions of Mg, Al, K, P, Sn and polyethylene gycol, or 0-50 wt % Kaolinite matrix. The catalysts are prepared by mixing slurries, spray drying to form microspheric shapes, pillaring reaction and adding modified components. The catalysts have high catalytic activities, good light olefin selectivities and attrition resistance index. The products are suitable to be used as catalysts for hydrocarbon conversion, including CPP-catalyst for catalytic pyrolysis processes to convert heavy oil into ethylene and propylene, MIO-catalyst for yielding more isobutene and isoamylene products, and FCC-catalyst for yielding more gasoline and light cycle oil from heavy oil or residual feedstock, and also as adsorbents or catalyst carriers.

Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method thereof

A class of pillared interlayered clay molecular sieves with large pore size were prepared by cross-linking the regularly interstratified mineral clay. Wherein the cross-linked rectorites possess an extraordinary thermal and hydrothermal stabilities. Said class of pillared interlayered clay molecular sieves are potential commercial catalysts for carbonium-ion type reactions, adsorbents and catalyst carriers.

Class of pillared interlayered clay molecular sieve products with

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Beijing, China

Zhiqing Yu