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失效光催化剂的再生方法综述Regeneration Methods of Deactivated Photocatalyst: A Review
光催化剂, 再生方法, 可重复性Photocatalyst, Regeneration Method, Repeatability
《Advances in Environmental Protection》, Vol.5 No.5, 2015-10-23
The deactivation problem of photocatalyst prohibits the industrial application of photocatalysis technology. Therefore, the regeneration methods of the deactivated photocatalyst are essential. Among the domestic and foreign literatures, this article reviews the regeneration methods of the deactivated photocatalyst such as calcinations, cleaning, oxidation reduction and resin adsorption, etc. The regeneration effects and the key techniques of each regeneration methods are also studied. Moreover, the repeatability of the regeneration methods is also important, since an effective regeneration method should maintain a relative high regeneration rate after ever regeneration process. However, this character of the regeneration methods is hardly studied in recent studies.