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《Environmental Science & Technology》 2012-05
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Photo-catalytic Activity of TiO2-loaded Activated Carbon Fiber for Degradation of Textile Dye

SUN Yi-fei1,LI Xiao-bo1,GUAN Jian-jian1,ZHOU Mao-feng2,WANG Tong-hua1(1.State Key Lab of Fine Chemicals and School of Chemical Engineering,Dalian University of Technology,Dalian 116042,China; 2.Jiangsu Tongkang Special Activated Fiber & Garments Co Ltd,Nantong 226003,China)  
TiO2-loaded activated carbon fiber was prepared as a new kind of photo-catalyst by sol-gel method plus calcination in nitrogen atmosphere,and used to treat simulated wastewater containing a textile dye(methylene blue).To probe the details of AFC's surface coated with TiO2 and its photo-catalystic activity in degradation of methylene blue,instruments such as SEM,XRD and FT-IR were used.It has been proved that when preparing TiO2-loaded AFC calcination at 500 ℃ is the optimum condition to obtain the best photo-catalytic activity and the satisfactory property for reuse of the catalyst,i.e.,the dye-removing rate could remain 90.2% even when being used four times.
【CateGory Index】: X703
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Chinese Journal Full-text Database 2 Hits
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