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Adsorption isotherms for benzene on diatomites from China

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【作者】 杨宇翔； 吴介达； 蒋忠良； 黄孟健； 陈荣三； 戴安邦；

【Author】 YANG, Yu-Xiang WU, Jie-Da JIANG, Zhong-LiangHUANG, Meng-Jian CHEN, Rong-San DAI, An-Bang Department of Chemistry, Tongji University, Shanghai 200092 , China Coordination Chemistry Institute, Nanjing University, Nanjing, Jiangsu 210008 , China

【机构】 Department of Chemistry； Tongji University； Shanghai 200092； China； Coordination Chemistry Institute； Nanjing University； Nanjing； Jiangsu 210008； China；

【摘要】 <正> In this paper, benzene adsorption isotherm and their hysteresis on two important local diatomites were determined at 25℃, and their silicon hydroxyl group (SiOH) number was determined, their properties were reported, and the relationship between surface structure, surface SiOH number per nm2 and adsorption isotherm with hysteresis was discussed. The specific surface was also calculated from the isotherms, and pore-size distribution was determined.

【Abstract】 In this paper, benzene adsorption isotherm and their hysteresis on two important local diatomites were determined at 25℃, and their silicon hydroxyl group (SiOH) number was determined, their properties were reported, and the relationship between surface structure, surface SiOH number per nm2 and adsorption isotherm with hysteresis was discussed. The specific surface was also calculated from the isotherms, and pore-size distribution was determined.

【关键词】 Benzene； adsorption isotherm； diatomites； surface structure；
【Key words】 Benzene； adsorption isotherm； diatomites； surface structure；
【基金】 Project supported by the National Natural Science Foundation of China (No. 29201004).
  • 【文献出处】 Chinese Journal of Chemistry ,中国化学(英文版) , 编辑部邮箱 ,2000年02期
  • 【分类号】O647.3
  • 【被引频次】2
  • 【下载频次】1
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