MAGNETIC COMPOSITE LIGHT CATALYST AND PRODUCTION METHOD THEREFOR, AND APPLICATION IN ANTIBIOTIC WASTEWATER TREATMENT

摘要

The present invention provides a magnetic composite light catalyst and a production method therefor, and an application in antibiotic wastewater treatment. First, Bi2WO6-Fe3O4 composite magnetic microspheres can be synthesized by using a hydrothermal method; then graphite phase carbon nitride (g-C3N4) is produced by using a melamine high-temperature calcination polymerization method; finally, a g-C3N4/Bi2WO6-Fe3O4 ternary composite light catalyst system is constructed by using a hydrothermal composite method, so that a magnetic composite light catalyst is produced. Ternary complexes of the magnetic composite light catalyst exhibit a synergetic effect with each other to achieve high light-induced electron-hole separation and transport efficiency, and the magnetic composite light catalyst has excellent light catalytic activity and high light catalytic antibiotic degradation efficiency, supports effective recycling and reuse, and has a broad application prospect in the field of light catalytic antibiotic degradation pollution.