| abstract |
A method for producing beta zeolite having so-called mesopores having a pore diameter of 2 to 10 nm and having an outer surface area of 280 m 2 / g or more, and a method for producing a hydrocracking catalyst using the beta zeolite are provided. To do. A process for producing a beta zeolite comprising the steps of treating a raw beta zeolite at 550 to 700 ° C. in a steam atmosphere and then acid-treating the raw beta zeolite, wherein the amount of acid used for the acid treatment is A beta zeolite production method characterized in that it is 1 to 1.5 times the amount of acid required to dissolve all of the zeolite's extra-framework aluminum stoichiometrically. [Selection figure] None |