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Effects of preparation conditions on characters of hydrophobic silica granular aerogel and its Applications  ( CPCI-S收录 EI收录)  

文献类型:会议论文

英文题名:Effects of preparation conditions on characters of hydrophobic silica granular aerogel and its Applications

作者:Wei, Wei[1];Zhang, Jingyi[1];Wu, Liping[1];Qin, Guotong[2]

第一作者:魏微

通讯作者:Wei, W[1]

机构:[1]Beijing Union Univ, Coll Arts & Sci, Dept Food Sci, 197 Beituchengxi Rd, Beijing 100083, Peoples R China;[2]Beihang Univ, Minist Educ, Sch Chem & Environm, Key Lab Bio Inspired Smart Interfacial Sci & Tech, Beijing 100083, Peoples R China

第一机构:北京联合大学生物化学工程学院食品科学系|北京联合大学应用文理学院

通讯机构:[1]corresponding author), Beijing Union Univ, Coll Arts & Sci, Dept Food Sci, 197 Beituchengxi Rd, Beijing 100083, Peoples R China.|[11417146]北京联合大学生物化学工程学院食品科学系;[11417]北京联合大学;[1141726]生物化学工程学院;[114172]北京联合大学应用文理学院;

会议论文集:International Conference on Environmental Science and Material Application (ESME 2012)

会议日期:OCT 13-14, 2012

会议地点:Beijing, PEOPLES R CHINA

语种:英文

外文关键词:silica aerogels; preparation; character; application

摘要:The hydrophobic silica granular aerogels were synthesized via sol-gel synthesis followed by ambient pressure drying. The tetraethyloxylane (TEOS) was used as original precursor. The aerogels were analyzed using nitrogen adsorption, scanning electron microscopy (SEM) and laser particle. size analyzer. It was found that the aerogel was mesoporous material with high surface area. The aerogels were prepared in grain form by dipping into disperse solution in order to adsorption application. The average particle size of the aerogel was controlled by pH and disperse solution volume. The pH also affected gel time. The aerogels were used to absorb phenol from water. The saturated adsorption amount could reach up to 145 mg.g(-1).

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