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利用半导体光催化降解有机废物、消除环境污染的研究近年来已引起人们的关注，其中ＴｉＯ２被认为是较理想的光催化剂。但现在研究较多和普遍采用的是ＴｉＯ２粉末悬浮相光催化剂，由于其易失活、易凝聚和难回收等缺点，因而限制了光催化应用的发展［１］制备负载型光催化剂
In recent years, the use of semiconductor photocatalytic degradation of organic waste to eliminate environmental pollution has attracted people’s attention, including TiO2 is considered to be the ideal photocatalyst. But now more and commonly used TiO2 powder suspension phase photocatalyst, due to its easy to deactivate, easy to agglomerate and difficult to recycle and other shortcomings, thus limiting the development of photocatalytic applications [1] Preparation of supported photocatalyst