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纳米氧化铝改性凝胶球对四环素吸附性能分析

廖权 骆华勇 荣宏伟 陈炳伟 梁莹

廖权, 骆华勇, 荣宏伟, 陈炳伟, 梁莹. 纳米氧化铝改性凝胶球对四环素吸附性能分析[J]. 环境工程, 2020, 38(9): 36-42. doi: 10.13205/j.hjgc.202009006
引用本文: 廖权, 骆华勇, 荣宏伟, 陈炳伟, 梁莹. 纳米氧化铝改性凝胶球对四环素吸附性能分析[J]. 环境工程, 2020, 38(9): 36-42. doi: 10.13205/j.hjgc.202009006
LIAO Quan, LUO Hua-yong, RONG Hong-wei, CHEN Bing-wei, LIANG Ying. ADSORPTION PERFORMANCE OF TETRACYCLINE ONTO NANO-ALUMINA MODIFIED GEL BEADS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 36-42. doi: 10.13205/j.hjgc.202009006
Citation: LIAO Quan, LUO Hua-yong, RONG Hong-wei, CHEN Bing-wei, LIANG Ying. ADSORPTION PERFORMANCE OF TETRACYCLINE ONTO NANO-ALUMINA MODIFIED GEL BEADS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 36-42. doi: 10.13205/j.hjgc.202009006

纳米氧化铝改性凝胶球对四环素吸附性能分析

doi: 10.13205/j.hjgc.202009006
基金项目: 

国家自然科学基金(51778155,51608133);广东省自然科学基金(2017A030313310);广州大学新进"优秀青年博士"培养计划项目(YB201718)。

详细信息
    作者简介:

    廖权(1996-),男,硕士研究生,主要研究方向为有机高分子合成及其吸附应用。1150385910@qq.com

    通讯作者:

    荣宏伟(1973-),男,博士,教授,主要研究方向为水处理研究。rhwcn@139.com

ADSORPTION PERFORMANCE OF TETRACYCLINE ONTO NANO-ALUMINA MODIFIED GEL BEADS

  • 摘要: 采用溶胶-凝胶法制备纳米氧化铝改性聚乙烯醇-海藻酸钙凝胶球(SA-PVA-AlNPs),用于吸附去除水溶液中的四环素。考察了纳米氧化铝负载量、初始溶液pH、离子强度对凝胶球吸附性能的影响。结果表明:复合纳米氧化铝有利于提高凝胶球的吸附性能;SA-PVA-ALNPs吸附四环素最佳pH值条件为pH=3;NaCl浓度的提高并未显著影响凝胶球对于四环素的吸附能力。准二级动力学可以较好地拟合SA-PVA-ALNPs对四环素吸附的动力学数据;Langmuir模型能更好地拟合等温吸附数据,最大吸附容量为75.90 mg/g。SA-PVA-ALNPs吸附四环素主要依靠阳离子架桥作用、n-π电子供体-受体相互作用以及氢键作用。
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  • 收稿日期:  2019-10-16

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