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STUDIES ON THE PREPARATION AND PHOTOCATALYTIC PROPERTIES OF TiO2/SiO2 PARTICLES
Author(s): 
Pages: 42-47
Year: Issue:  1
Journal: TECHNOLOGY OF WATER TREATMENT

Keyword:  半导体光催化剂表面复合物溶胶-凝胶法有机磷农药;
Abstract: 采用溶胶-凝胶法制备了负载型光催化剂TiO2/SiO2,并用所制样品对有机磷农药2,2-二乙烯基二甲基磷酸酯(DDVP)进行光降解实验.用扫描电镜(SEM),红外光谱(IR)对所制样品进行了检测,讨论了制备条件,试剂用量等因素对TiO2/SiO2制备及降解性能的影响.结果表明:制备条件选用粒径为180~250μm的硅胶,浸渍时间12h,RH=90%时所制样品的催化效果最好.
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