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《Journal of Chengdu Textile College》 2011-01
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Research on Preparation of TiO_2-SiO_2 Composite Aerogel and Degradation of Methyl Orange

JIN Can1,FU Hong-bin1,XIA Ping1,QIAN Yu2(1.Chengdu Textile College,Chengdu 611731; 2.Chengdu Somo Nano Technology Co.,Ltd,Chengdu 611731)  
TiO2-SiO2 composite aerogel is prepared in two hours under 600oC by the sol-gel method and supercritical drying technique,among which TiO2 is anatase and SiO2 is amorphous.By using methyl orange as simulated wastewater,the density of degradation of methyl orange by TiO2-SiO2 composite aerogel is less than 100mg/L and degradation rate changes with time,showing liner relationship in the first phase and curve relationship in the latter phase.The maximum dose of degrading methyl orange is about 30mg/g(methyl orange/aerogel).The TiO2-SiO2 composite aerogel can be reused more than three times by adopting calcination method of one hour under 400oC.
【CateGory Index】: X791
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