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用溶胶-凝胶法制备了V-N-TiO2/凹凸棒土光催化复合材料,研究了V-N-TiO2/凹凸棒土的制备方法、V-N-TiO2与凹凸棒土的质量比、煅烧温度和煅烧时间对V-N-TiO2/凹凸棒土光催化性能的影响。在模拟太阳光条件下,以亚甲基蓝溶液为目标降解物,对V-N-TiO2/凹凸棒土光催化性能进行测定。研究结果表明:当V-NTiO2与凹凸棒的质量比为1∶3、煅烧温度为300℃和煅烧时间为2h时,得到的V-N-TiO2/凹凸棒土光催化复合材料对亚甲基蓝的光催化性能最佳。
The VN-TiO2 / attapulgite photocatalytic composites were prepared by sol-gel method. The preparation methods of VN-TiO2 / attapulgite, the mass ratio of VN-TiO2 and attapulgite, the calcination temperature and the calcination time Effect of VN-TiO2 / attapulgite photocatalytic performance. Under simulated sunlight conditions, the photocatalytic activity of V-N-TiO2 / attapulgite was measured with methylene blue solution as the target degradation product. The results show that when the mass ratio of V-NTiO2 to attapulgite is 1: 3, the calcination temperature is 300 ℃ and the calcination time is 2h, the photocatalytic activity of VN-TiO2 / attapulgite photocatalytic composite for methylene blue optimal.