AMORPHOUS SILICA ALUMINA-ZEOLITE COMPOSITES AND PREPARATION METHOD THEREOF

摘要

The present invention relates to an amorphous silica alumina-zeolite composites having a thin frame that amorphous silica-alumina surrounds zeolite crystals; a meso gas pocket addtionally formed; and a large specific surfacearea, thereby, catalyst lasts long and has excellent efficiency since used as a catalyst for isomerization reaction, hydrogenation-isomerization reaction, cracking reaction, hydrogenation cracking reaction, and hydrocarbon synthesis reaction of methanol. The present invention manufactures amorphous silica alumina-zeolite composites using an aerosol method to solve problems of the weakness of a centrifugation method which is an existing nanoparticle zeolite obtaining method. The present invention facilitates mass production and enables composition capable of catalyst forming without a binder since the amorphous silica alumina can be acted as the binder in an actual catalyst pellet manufacture.