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改性伊利石对活性艳蓝K-GR的吸附

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王秀平, 黄晓东, 林紫慧, 邱彬. 改性伊利石对活性艳蓝K-GR的吸附[J]. 环境工程学报, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
引用本文: 王秀平, 黄晓东, 林紫慧, 邱彬. 改性伊利石对活性艳蓝K-GR的吸附[J]. 环境工程学报, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
shu
WANG Xiuping, HUANG Xiaodong, LIN Zihui, QIU Bin. Adsorption of reactive brilliant blue K-GR by modified illite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
Citation: WANG Xiuping, HUANG Xiaodong, LIN Zihui, QIU Bin. Adsorption of reactive brilliant blue K-GR by modified illite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
shu

改性伊利石对活性艳蓝K-GR的吸附

  • 1.

    福州大学石油化工学院, 福州 350108

  • 2.

    闽江学院化学与化学工程系, 福州 350108

  • 基金项目:

    国家自然科学基金资助项目（21405075）

    福建省教育厅中青年教师教育科研项目（JA14257）

  • 中图分类号: X703.1

Adsorption of reactive brilliant blue K-GR by modified illite

  • 1.

    College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China

  • 2.

    Department of Chemistry and Chemical Engineering, Minjiang University, Fuzhou 350108, China

  • Fund Project:

  • 摘要: 采用十六烷基三甲基溴化铵（CTMAB）对伊利石进行改性，利用红外光谱、扫描电镜、X射线衍射及热重分析对吸附剂进行结构表征。研究了改性吸附剂对活性艳蓝K-GR的吸附性能。结果表明，最佳吸附条件为：pH 3，吸附剂用量0.3 g，CTMAB/伊利石质量比0.125。吸附过程符合准二级动力学方程，吸附等温线可以很好地用Langmuir模型描述。在热力学研究中，ΔG0H0>0，ΔS0>0，说明吸附过程是自发、吸热和熵增加的过程。
    Abstract: Illites, modified with cetyltrimethyl ammonium bromide (CTMAB), were used as adsorbents for characterization by infrared spectroscopy (FTIR), a scanning electron microscope (SEM), X-ray diffraction (XRD), and thermogravimetric analysis (TG). The adsorption properties of reactive brilliant blue K-GR were investigated, and showed that the optimal adsorption condition was with a pH of 3, 0.3 g dosage of adsorbents, and a 0.125 mass ratio of CTMAB to illites. The adsorption process conformed to a pseudo-second-order reaction kinetics equation, and the equilibrium isotherm was well described by the Langmuir adsorption model. In thermodynamic studies, the parameters of ΔG0H0>0,and ΔS0>0 indicated that the adsorption process was spontaneous and endothermic with an increase in entropy.
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  • 收稿日期:  2015-06-18
  • 刊出日期:  2016-09-10
王秀平, 黄晓东, 林紫慧, 邱彬. 改性伊利石对活性艳蓝K-GR的吸附[J]. 环境工程学报, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
引用本文: 王秀平, 黄晓东, 林紫慧, 邱彬. 改性伊利石对活性艳蓝K-GR的吸附[J]. 环境工程学报, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
shu
WANG Xiuping, HUANG Xiaodong, LIN Zihui, QIU Bin. Adsorption of reactive brilliant blue K-GR by modified illite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
Citation: WANG Xiuping, HUANG Xiaodong, LIN Zihui, QIU Bin. Adsorption of reactive brilliant blue K-GR by modified illite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4827-4831. doi: 10.12030/j.cjee.201504107
shu

改性伊利石对活性艳蓝K-GR的吸附

  • 1.  福州大学石油化工学院, 福州 350108
  • 2.  闽江学院化学与化学工程系, 福州 350108
  • 收稿日期:  2015-06-18
基金项目:

国家自然科学基金资助项目（21405075）

福建省教育厅中青年教师教育科研项目（JA14257）

摘要: 采用十六烷基三甲基溴化铵（CTMAB）对伊利石进行改性，利用红外光谱、扫描电镜、X射线衍射及热重分析对吸附剂进行结构表征。研究了改性吸附剂对活性艳蓝K-GR的吸附性能。结果表明，最佳吸附条件为：pH 3，吸附剂用量0.3 g，CTMAB/伊利石质量比0.125。吸附过程符合准二级动力学方程，吸附等温线可以很好地用Langmuir模型描述。在热力学研究中，ΔG0H0>0，ΔS0>0，说明吸附过程是自发、吸热和熵增加的过程。

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