Carbon-nitrogen-doped cerium dioxide/tourmaline ozone oxidation catalyst as well as preparation method and application thereof

The invention relates to a carbon-nitrogen-doped cerium dioxide/tourmaline ozone oxidation catalyst and a preparation method and application thereof, the catalyst comprises the following raw materials in percentage by mass: 50-80% of iron tourmaline powder, 20-30% of distillers' grains and 20-30% of cerous nitrate. Through carbon and nitrogen doping and interaction of cerium dioxide and tourmaline, the catalyst has good catalytic activity, stability and recovery performance, and is beneficial to wide popularization in the field of water treatment. 本发明涉及一种碳氮掺杂二氧化铈/电气石的臭氧氧化催化剂及其制备方法与应用，所述催化剂原料包括铁电气石粉、酒糟与硝酸铈，其中铁电气石粉的质量百分含量为50％～80％。该催化剂通过碳氮掺杂，及二氧化铈与电气石的互相作用，具有良好的催化活性、稳定性与回收性能，利于在水处理领域广泛推广。