[1]邹卫华,刘鹏磊,刘秋节,等.磁性活性炭对水体中磺胺嘧啶钠的吸附机理研究[J].郑州大学学报(工学版),2020,41(04):92-96.[doi:10.13705/j.issn.1671-6833.2020.01.008]
　ZOU Weihua,LIU Penglei,LIU Qiujie,et al.Investigation into the Adsorption Mechanism of Sulfadiazine Sodium in Aqueous Solution Using Magnetic Biochar[J].Journal of Zhengzhou University (Engineering Science),2020,41(04):92-96.[doi:10.13705/j.issn.1671-6833.2020.01.008]
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磁性活性炭对水体中磺胺嘧啶钠的吸附机理研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
41
期数:
2020年04期
页码:
92-96
栏目:
出版日期:
2020-08-12

文章信息/Info

Title:
Investigation into the Adsorption Mechanism of Sulfadiazine Sodium in Aqueous Solution Using Magnetic Biochar
作者:
邹卫华; 刘鹏磊; 刘秋节; 马培丽; 郭旭
郑州大学化工学院
Author(s):
ZOU Weihua; LIU Penglei; LIU Qiujie; MA Peili
School of Chemical Engineering,Zhengzhou University,Zhengzhou 450001,China
关键词:
沙柳' target="_blank" rel="external">">沙柳; 磁性活性炭; 吸附; 磺胺嘧啶钠; 吸附机理; 
Keywords:
salix mongolica; magnetic biochar; adsorption; sulfadiazine sodium; adsorption mechanism
DOI:
10.13705/j.issn.1671-6833.2020.01.008
文献标志码:
A
摘要:
以沙柳为原料，一步法制备了磁性活性炭，研究了其对水溶液中磺胺嘧啶钠的吸附效果.考察了吸附时间、溶液浓度、pH、盐离子浓度等因素对吸附效果的影响.吸附动力学符合Elovich动力学模型，整个吸附过程为膜扩散和内扩散共同控制.吸附等温线符合Freundlich和Koble-Corrigan模型.MBC对SAS的吸附存在疏水作用、氢键、π-π 电子共轭等作用力
Abstract:
In this paper,magnetic biochar prepared from salix mongolica by a one-step method was used for sulfadiazine sodium removal from aqueous solution.The effects of initial concentration,adsorption time,pH and salt ion concentration on the adsorption were investigated.The results showed the maximum adsorption capacity of MBC for SAS was 248.4 mg/g at 298 K.The adsorption kinetics was best described by Elovich model and the whole adsorption process was controlled by both film diffusion and intraparticle diffusion.The equilibrium data was best fitted by the Freundlich and Koble-Corrigan models.The interaction of the π—π dispersion,the hydrophobic interaction and hydrogen bonding played a role in the adsorption of sulfadiazine sodium onto magnetic biochar.

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更新日期/Last Update: 2020-10-06