采用溶胶-凝胶法制备HZSM-5分子筛负载SrTiO3,对其进行XRD、FTIR和N2吸附-脱附表征,研究负载对活性艳红X-3B光催化降解过程的影响.通过分析降解液的FTIR谱图、紫外-可见光谱和总有机碳(TOC)数据,对活性艳红X-3B的光催化降解过程进行了探讨.结果表明:催化剂的主要成分为钙钛矿结构SrTiO3,负载对SrTiO3晶粒尺寸几乎没有影响.纯SrTiO3没有明显的孔结构,负载后样品的比表面积和孔隙主要由HZSM-5提供.负载之后催化剂的降解活性显著提高,30％SrTiO3/HZSM-5对活性艳红X-3B染料溶液的脱色和TOC去除速率最快.
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