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A RPOCESS FOR CRACKING HYDROCARBON OILS OF HIGH MOLECULAR WEIGHT INTO HYDROCARBONS OF LOWER AVERAGE MOLECULAR WEIGHT AND LOWER AVERAGE BOILING POINT
A RPOCESS FOR CRACKING HYDROCARBON OILS OF HIGH MOLECULAR WEIGHT INTO HYDROCARBONS OF LOWER AVERAGE MOLECULAR WEIGHT AND LOWER AVERAGE BOILING POINT
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机译:一种将高分子量的烃油裂解成较低平均分子量和较低平均沸点的烃的方法
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摘要
A process for converting hydrocarbon oils into products of lower average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size below 24.45 ANGSTROM , a degree of crystallinity which is at least retained at increasing SiO2/Al2O3 molar ratios, a water adsorption capacity (at 25 DEG C and a p/po value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal. The invention also relates to catalyst compositions suitable for use in said process.
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