Sound absorption zeolite particle and synthesis and preparation method thereof

The invention discloses a sound absorption zeolite particle and a synthesis and preparation method thereof. The method comprises the following steps: adding a silicon source, an aluminum source, a template, an additive and a solvent into a synthesis reaction kettle, and controlling artificially synthesized zeolite crystal growth under high temperature and high pressure conditions for a predetermined synthesis time to reach a predetermined particle size range; carrying out solid-liquid separation by using a filter press and/or a centrifuge to obtain molded synthesized zeolite particles; and sequentially carrying out high temperature roasting, reinforcing balling and particle surface post-treatment on the molded synthesized zeolite particles, and screening to obtain the satisfactory sound absorption zeolite particle. The method adopting the above technical scheme does not need secondary molding, so influences of a bonding agent on the zeolite particles are avoided, thereby the sound absorption zeolite particle has good mass transfer and sound absorption effects when being applied in loudspeaker products; and the required zeolite particle is obtained through the high temperature roasting, reinforcing balling and particle surface post-treatment of the molded synthesized zeolite particles.