Patent ID: 9333495
Filing Date: 2016-05-10
CPC Classification: B01J,C01B

Claim Text:
1. A method for producing an MTW-type zeolite, comprising: (1) mixing an alumina source, an alkali source, a lithium source, and water so as to obtain a reaction mixture, (2) adding a seed crystal of an MTW-type zeolite before adding a silica source or adding the seed crystal of the MTW type zeolite while being mixed with a silica source, to the reaction mixture in a proportion of 0.1 to 20% by weight relative to the silica component in the reaction mixture, mixing and stirring, and (3) air tightly heating the reaction mixture, to which the seed crystal of the MTW type zeolite has been added, at 100 to 200° C.