Preparation and application of graphite phase carbon nitride and stannous tungstate composite photocatalyst

The preparation method of the graphite phase carbon nitride and stannous tungstate composite photocatalyst provided by the invention has the advantages of simple preparation process and operation, rapid preparation, short production period, high product recovery rate, stable performance, no need of special chemical equipment, easy realization of industrial production, low cost and the like. And the removal rate of tetracycline catalytic degradation in a short time is obvious. 本发明提出的一种石墨相氮化碳与钨酸亚锡复合光催化剂的制备方法，具有制备工艺及操作简单，制备快速，生产周期短，产品回收率高，且性能稳定，不需要特殊的化工设备，易于实现工业化生产，并且在短时间对四环素的催化降解去除率效果显著。