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聚甲亚胺酰胺树脂对水中Cu2+的吸附

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李青彬, 冯云晓, 程永华. 聚甲亚胺酰胺树脂对水中Cu2+的吸附[J]. 环境工程学报, 2014, 8(5): 1906-1910.
引用本文: 李青彬, 冯云晓, 程永华. 聚甲亚胺酰胺树脂对水中Cu2+的吸附[J]. 环境工程学报, 2014, 8(5): 1906-1910.
shu
Li Qingbin, Feng Yunxiao, Cheng Yonghua. Adsorption of copper(Ⅱ) from aqueous by polyazomethineamides[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1906-1910.
Citation: Li Qingbin, Feng Yunxiao, Cheng Yonghua. Adsorption of copper(Ⅱ) from aqueous by polyazomethineamides[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1906-1910.
shu

聚甲亚胺酰胺树脂对水中Cu2+的吸附

  • 1.

    平顶山学院化学化工学院, 平顶山 467000

  • 基金项目:

    河南省基础与前沿技术研究项目（122300410178）

    平顶山市科技攻关计划项目（2012C037）

    平顶山学院青年科研基金资助项目（20120014）

  • 中图分类号: X703.1

Adsorption of copper(Ⅱ) from aqueous by polyazomethineamides

  • 1.

    School of Chemistry and Chemical Engineering, Pingdingshan University, Pingdingshan 467000, China

  • Fund Project:

  • 摘要: 制备了聚甲亚胺酰胺树脂，对其进行傅里叶变换红外光谱分析。采用批处理方法实验了pH、铜离子初始浓度、吸附时间、吸附剂用量对吸附量的影响，研究了等温吸附模型和吸附动力学模型。优化后的吸附条件为：在铜离子溶液体积50 mL、初始浓度为300 mg/L、pH为6.0时，吸附剂投放量50 mg、吸附时间60 min，此时吸附量达到269.1 mg/g，去除率达89.7%。25℃时在研究浓度范围内，铜离子吸附过程用Langmuir等温线模型和Freundlich等温线模型描述均可；与准一级动力学方程、Elovich方程及内扩散方程相比，准二级动力学方程能更好地描述其吸附动力学过程。
    Abstract: Polyazomethineamides (PAMA) resin was synthesized and characterized by Fourier transform infrared spectroscopy (FT-IR). Using batch adsorption systems, the extent of adsorption of copper ions onto PAMA was investigated as a function of pH, the initial copper ions concentration, contact time and absorbent dose. Kinetics and equilibrium isotherm studies were examined. The maximum adsorption occurred at pH of 6.0, absorbent dose of 50 mg, 50 mL copper ions solutions with initial concentration of 300 mg/L and absorption time of 60 min. At that time, the adsorption capacity and removal rate are 269.1 mg/g and 89.7%, respectively. At research temperature of 25℃,the experimental adsorption data are fitted well with Langmuir isotherm model and Freundlich isotherm model. The pseudo-second-order equation provides the best correlation coefficient compared with pseudo-first-order, Elovich kinetic and intraparticle diffusion models.
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出版历程
  • 收稿日期:  2013-12-29
  • 刊出日期:  2014-05-06
李青彬, 冯云晓, 程永华. 聚甲亚胺酰胺树脂对水中Cu2+的吸附[J]. 环境工程学报, 2014, 8(5): 1906-1910.
引用本文: 李青彬, 冯云晓, 程永华. 聚甲亚胺酰胺树脂对水中Cu2+的吸附[J]. 环境工程学报, 2014, 8(5): 1906-1910.
shu
Li Qingbin, Feng Yunxiao, Cheng Yonghua. Adsorption of copper(Ⅱ) from aqueous by polyazomethineamides[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1906-1910.
Citation: Li Qingbin, Feng Yunxiao, Cheng Yonghua. Adsorption of copper(Ⅱ) from aqueous by polyazomethineamides[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1906-1910.
shu

聚甲亚胺酰胺树脂对水中Cu2+的吸附

  • 1. 平顶山学院化学化工学院, 平顶山 467000
  • 收稿日期:  2013-12-29
基金项目:

河南省基础与前沿技术研究项目（122300410178）

平顶山市科技攻关计划项目（2012C037）

平顶山学院青年科研基金资助项目（20120014）

摘要: 制备了聚甲亚胺酰胺树脂，对其进行傅里叶变换红外光谱分析。采用批处理方法实验了pH、铜离子初始浓度、吸附时间、吸附剂用量对吸附量的影响，研究了等温吸附模型和吸附动力学模型。优化后的吸附条件为：在铜离子溶液体积50 mL、初始浓度为300 mg/L、pH为6.0时，吸附剂投放量50 mg、吸附时间60 min，此时吸附量达到269.1 mg/g，去除率达89.7%。25℃时在研究浓度范围内，铜离子吸附过程用Langmuir等温线模型和Freundlich等温线模型描述均可；与准一级动力学方程、Elovich方程及内扩散方程相比，准二级动力学方程能更好地描述其吸附动力学过程。

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