Adsorption properties of nitrobenzene in wastewater with silica aerogels

查看全文 作　　者：CUI Sheng1,LIU XueYong2,LIU Yu2,SHEN XiaoDong1,LIN BenLan1,3,HAN GuiFang1 & WU ZhanWu1 1 College of Material Science and Engineering,Nanjing University of Technology,Nanjing 210009,China;2 Institute of Chemical Materials,CAEP,Mianyang 621900,China;3 Editorial Board of Journal,Nanjing University of Technology,Nanjing 210009,China

出　　处：《Science China(Technological Sciences)》索引2010年第53卷第9期,共5页

基　　金：supported by the National Natural Science Foundation of China (Grant No. 10976013);the Key Program of Natural Science Fund of Jiangsu Province 摘　　要：The adsorption properties of nitrobenzene from wastewater by hydrophobic silica aerogels were investigated.The effects of adsorption intensity by pH value,adsorption temperature,adsorption time and the amount of the silica aerogels were studied.The adsorption principle and mechanism of silica aerogels adsorbing nitrobenzene were discussed along with the Freundlich equation.The results showed that the adsorption intensity of the hydrophobic silica aerogels could reach 68.76% at better adsorption conditions of adsorption temperature 25°C,pH value 8.35,the amount of SiO2 aerogels dosage 3.33 g/L,and adsorption time of 30 min,and that the adsorption properties were related to the hydrophobility of aerogels,surface area of organic solution,structure of aerogels. 关键词：SILICA AEROGEL NITROBENZENE ADSORPTION WASTEWATER

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Adsorption properties of nitrobenzene in wastewater with silica aerogels

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