Preparation method of ozone decomposition catalyst

The invention discloses a preparation method of an ozone decomposition catalyst, and belongs to the field of air pollution control. The preparation method comprises the following steps: S1, carrying out surface acid modification treatment on the carrier; s2, mixing silica sol and alumina sol to prepare a coating solution, and coating the coating solution on the carrier to obtain a second carrier; s3, dissolving the metal salt active powder, titanium dioxide and manganous nitrate in pure water to prepare slurry, and drying, roasting and grinding to prepare catalyst active powder; s4, mixing polyvinyl alcohol, butadiene styrene rubber, hydroxymethyl cellulose, catalyst active powder, TiO2 sol, noble metal salt, metal salt active powder, aluminum sol, silica sol and polyethylene glycol with pure water to finally prepare catalyst coating slurry, coating the second carrier with the catalyst coating slurry, and drying and roasting to obtain the ozone decomposition catalyst. 本发明公开一种臭氧分解催化剂的制备方法，属于大气污染控制领域；制备方法包括：S1，