Adsorption of 2,4-D on magnetic graphene and mechanism study
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- 作者：Wei Liu ; Qi Yang ; yq@cugb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhilin Yang ; Wenjing Wang
- 关键词：Adsorption ; 2 ; 4-D ; Graphene ; Fe3O4 ; Mechanism
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：20 November 2016
- 年：2016
- 卷：509
- 期：Complete
- 页码：367-375
- 全文大小：2032 K
文摘
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The pHpzc of FGN was determined to be 4.7.
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The adsorption behaviors of 2,4-D on FGN was studied in detail.
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Density functional theory indicated that π-π interaction was enhanced when 2,4-D molecule dissociated into 2,4-D anion, which was beneficial to the adsorption.
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According to Langmuir isotherm model, the maximum adsorption capacity of 2,4-D on FGN was 32.31 mg/g at 303.15 K and pH 3.