钐掺杂二氧化钛纳米管光催化降解孔雀石绿废水
Journal of Yangzhou University(Natural Science Edition)(2015)
Abstract
采用阳极氧化法制备板式钐掺杂二氧化钛纳米管阵列催化剂(Sm-TiO2),并以孔雀石绿废水为降解对象,在模拟可觅光照射条件下考察钐掺杂浓度、钛板煅烧温度、废水浓度等对孔雀石绿废水降解性能的影响.结果表明,当钐掺杂浓度为0.001 8 mol·L-1、钛板煅烧温度选择450℃、废水的初始质量浓度为10 mg· L-1时,Sm-TiO2催化剂的光催化降解效率最高可达92.6%,表现出良好的光催化活性和稳定性.
MoreKey words
photocatalytic degradation,malachite green,Sm doped,TiO2
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