Shell Oil Comapny

Cornelis Ouwehand

László Domokos

Marcello Stefano Rigutto

Edward Julius Creyghton

Arend Jan Van Welsenes

Process for preparing a hydrocracking catalyst carrier which process comprises subjecting a carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10 to calcination at a temperature of from 700 to 900&#xb0; C., hydrocracking catalyst carrier comprising amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, the infrared spectrum of which catalyst has a peak at 3690 cm, substantially reduced peaks at 3630 cmand 3565 cmand no peak at 3600 cm, hydrocracking catalyst carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, which catalyst has an acidity as measured by exchange with perdeuterated benzene of at most 20 micromole/gram, hydrocracking catalyst derived from such carrier and hydrocracking process with the help of such catalyst.

Hydrocracking catalyst

Process for preparing a sulphided hydrocracking catalyst comprising the steps of (a) treating an amorphous silica alumina carrier with one or more Group VIB metal components, one or more Group VIII metal components and a C-Cpolyhydric compound, (b) drying the treated catalyst carrier at a temperature of at most 200&#xb0; C. to form an impregnated carrier, and (c) sulphiding the impregnated carrier to obtain a sulphided catalyst.

Process for preparing hydrocracking catalyst

Process of preparing a hydrocracking catalyst carrier comprising amorphous binder and zeolite Y, which process comprises subjecting zeolite Y having a silica to alumina molar ratio of at least 10 to calcination at a temperature of from 700 to 1000&#xb0; C., hydrocracking catalyst carrier comprising amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, the infrared spectrum of which catalyst has a peak at 3690 cm, substantially reduced peaks at 3630 cmand 3565 cmand no peak at 3600 cm, hydrocracking catalyst carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, which catalyst has an acidity as measured by exchange with perdeuterated benzene of at most 20 micro-mole/gram, hydrocracking catalyst derived from such carrier and hydrocracking process with the help of such catalyst.

Hydrocracking catalyst composition comprising an optional metal hydrogenation component supported on a carrier comprising a zeolite of the faujasite structure having a unit cell size in the range of from 24.10 to 24.40 &#x212b;, a bulk silica to alumina ratio (SAR) above about 12, and a surface area of at least about 850 m/g as measured by the BET method and ATSM D4365-95 with nitrogen adsorption at a p/po value of 0.03.

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Amsterdam, Netherlands

Cornelis Ouwehand