One kind of g-C3N4-ZnO / HNTs composite photocatalyst and preparation method and use

The present invention provides a / HNTs composite photocatalyst and preparation method and use thereof g-C3N4-ZnO, belongs to the technical field of preparation of environmental protection material; using the method of secondary calcination, to prepare a ZnO / HNTs precursor, and then again to a high temperature prepared according to the present invention; / HNTs composite photocatalyst g-C3N4-ZnO prepared calcined, and the resulting coated layer mesh tubular structures g-C3N4-ZnO / HNTs composite photocatalyst for degrading the antibiotic tetracycline wastewater the method is simple, does not cause the formation of secondary pollution and waste of resources, is a green and efficient pollution treatment technology.