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首页> 外文会议>2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring >Synthesis of Octyl-Modified Ordered Mesoporous Silica as a New Nano Sorbent for the Removal of 2,4,6-Trichlorophenol from Aqueous Media
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Synthesis of Octyl-Modified Ordered Mesoporous Silica as a New Nano Sorbent for the Removal of 2,4,6-Trichlorophenol from Aqueous Media

机译：辛基改性的有序介孔二氧化硅的合成作为一种新型纳米吸附剂，用于从水性介质中去除2,4,6-三氯苯酚

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摘要

Adsorption of 2, 4, 6-trichlorophenol onto octyl modified ordered mesoporous silica material from aqueous solution has been investigated systematically using batch experiments in this study. Results indicate that 2, 4, 6-trichlorophenol adsorption is initially rapid and the adsorption process reaches a steady state after 1 min. The adsorption isotherms are well described by the Langmuir and the Freundlich models, the former being found to provide the better fit with the experimental data. The effects of temperature and pHon the adsorption are also examined. According to the experimental results, the amount of 2, 4, 6-trichlorophenoladsorbed decreases with increases of temperature from 288 to308 K, and pH from 2.0 to 11.0. Based on the results, It was found that octyl-modified ordered mesoporous silica shows significant adsorption for 2, 4, 6-trichlorophenol. This might be due to hydrophobic interaction among the octyl functional groups and 2, 4, 6-trichlorophenol.
机译：使用本研究的分批实验，通过系统地研究了从水溶液中的辛基改性有序的介孔二氧化硅材料中的2,4,6-三氯苯酚的吸附。结果表明，2,4,6-三氯化酚吸附最初是快速的，并且在1分钟后吸附过程达到稳定状态。吸附等温线由Langmuir和Freundlich模型很好地描述，前者被发现提供更好的实验数据。还检查了温度和响应的吸附的影响。根据实验结果，2,4,6-三氯苯酚吸附的量随温度的增加，温度从288-308k增加，pH从2.0-11.0％。基于结果，发现辛基改性有序的介孔二氧化硅显示出2,4,6-三氯苯酚的显着吸附。这可能是由于辛基官能团和2,4,6-三氯苯酚之间的疏水相互作用。

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