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-N-TiO2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.
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