Low-temperature preparation and microwave photocatalytic activity study of TiO2-mounted activated carbon

被引：87
|
作者：
Liu, Yazi [1 ]
Yang, Shaogui [1 ]
Hong, Jun [1 ]
Sun, Cheng [1 ]
机构：
[1] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210093, Peoples R China
来源：
JOURNAL OF HAZARDOUS MATERIALS | 2007年 / 142卷 / 1-2期
基金：
中国博士后科学基金;
关键词：
TiO2/AC; activated carbon; phenol; microwave; photocatalytic degradation; ELECTRODELESS DISCHARGE LAMP; ANATASE-TYPE TIO2; PROSPECTIVE TOOL; PHOTOCHEMISTRY; DEGRADATION; GEL; FILMS;
D O I：
10.1016/j.jhazmat.2006.08.020
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
TiO2 thin films were deposited on granular activated carbon by a dip-coating method at low temperature (373 K), using microwave radiation to enhance the crystallization of titania nanoparticles. Uniform and continuous anatase titania films were deposited on the surface of activated carbon. BET surface area of TiO2-mounted activated carbon (TiO2/AC) decreased a little in comparison with activated carbon. TiO2/AC possessed strong optical absorption capacity with a band gap absorption edge around 360 nm. The photocatalytic activity did not increase when the as-synthesized TiO2/AC was thermally treated, but was much higher than commercial P-25 in degradation of phenol by irradiation of electrodeless discharge lamps (EDLs). (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：208 / 215
页数：8
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