摘要
利用天然沸石、膨润土作载体制备的TiO2 /矿物复合体光催化材料 ,在阳光照射下对有机染料罗丹明 -B具分解脱色性能。实验证实未经高温处理的样品光催化性能优于经高温处理的 ,沸石的脱色率 6小时达 10 0 %,膨润土的脱色率达 94 %。晶相分析和热分析证实锐钛矿在有沸石、膨润土存在的水相体系中可直接在矿物表面生成 ,结合牢固 ,同时引起矿物结构的调整。
This paper has dealt with TiO 2/minerals compound photocatalysis material carried by natural zeolites and bentonite, and studied their degradation and discoloration characteristics to organic dyes RB under color illumination. The experiment has proved that samples not calcined have better photocatalysis capacity than those disposed at high temperature. The decoloration ratio of RB solution with TiO 2/zeolites is 100 percent and that with bentonite is 94 percent. Both XRD and TG-DTA analytical results show that anatase can be formed directly at the surface of minerals and combined solidly with the minerals, accompanied by the adjustment of mineral structures.
出处
《岩石矿物学杂志》
CAS
CSCD
北大核心
2001年第4期445-448,共4页
Acta Petrologica et Mineralogica
