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周鸣, 朱书法, 刘帅兵, 张企华. 海藻酸钠固化香蕉皮粉吸附染料废水[J]. 环境工程学报, 2013, 7(6): 2208-2212.
引用本文: 周鸣, 朱书法, 刘帅兵, 张企华. 海藻酸钠固化香蕉皮粉吸附染料废水[J]. 环境工程学报, 2013, 7(6): 2208-2212.
shu
Zhou Ming, Zhu Shufa, Liu Shuaibing, Zhang Qihua. Adsorption of dye wastewater by banana peel powder immobilized by sodium alginate[J]. Chinese Journal of Environmental Engineering, 2013, 7(6): 2208-2212.
Citation: Zhou Ming, Zhu Shufa, Liu Shuaibing, Zhang Qihua. Adsorption of dye wastewater by banana peel powder immobilized by sodium alginate[J]. Chinese Journal of Environmental Engineering, 2013, 7(6): 2208-2212.
shu

海藻酸钠固化香蕉皮粉吸附染料废水

  • 1.

    河南科技大学化工与制药学院, 洛阳 471023

  • 基金项目:

    河南科技大学青年科学基金项目(2012QN036)

    河南科技大学教育教学改革计划项目(2012Y-027)

  • 中图分类号: X703

Adsorption of dye wastewater by banana peel powder immobilized by sodium alginate

  • 1.

    Chemical Engineering and Pharmaceutics College, Henan University of Science and Technology, Luoyang 471023, China

  • Fund Project:

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  • 摘要: 利用海藻酸钠固化农业废弃物-香蕉皮粉制备成吸附剂,以甲基紫为例,对有机染料废水进行吸附研究,考察吸附时间,温度和甲基紫/吸附剂用量比对吸附的影响。实验结果表明,该吸附剂能有效地吸附掉溶液中的甲基紫,其吸附率随温度的增加而下降,最佳吸附时间为2 h,甲基紫/吸附剂的最佳用量比为1:5。在25℃、pH 7、甲基紫起始浓度10 mg/L,吸附剂浓度50 mg/L的条件下,吸附2 h,吸附率为92.64%,吸附量为185.3 mg/g。研究了相应的Langmuir、Freundlich吸附等温线和准一级、准二级动力学方程,结果表明甲基紫的吸附动力学数据与Freundlich吸附等温线和准二级动力学方程有更好的相关性,同时该吸附剂具有较好的重复利用率。
    Abstract: Methyl violet, as an example of organic dyestuff wastewater, was adsorbed by agricultural waste-banana peel powder immobilized by sodium alginate.The effects of adsorption time, temperature and the quality ratio of methyl violet/adsorbent on the adsorption were investigated. The experimental results showed that banana peel powder immobilized by sodium alginate was an efficient absorbent of methyl violet in aqueous solution and the adsorption efficiency decreased with the increase of adsorption temperature. The adsorption efficiency for methyl violet could reach best when the quality ratio of methyl violet/adsorbent was 1:5 and the adsorption time was 2 h. The adsorption efficiency reached 92.64% and the adsorptive capacity of methyl violet was 185.3 mg/g at 25℃, the initial pH value of 7,the initial methyl violet concentration of 10 mg/L and the adsorbent concentration of 50 mg/L. The Langmuir and Freundlich model, the pseudo first-order and pseudo second-order kinetic equation were investigated. The results showed that the Freundlich model and the pseudo second-order kinetic equation fitted better adsorption kinetic data of methyl violet. Meanwhile, the recycling rate of absorbent was high.
  • [1] 王宇,李健,徐竞成. 印染废水回用处理的组合工艺. 印染,2010,36(22):52-54 Wang Y., Li J., Xu J. C. Combined process treatment of dyeing and printing wastewater for reuse. Dyeing & Finishing,2010,36(22):52-54(in Chinese)
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  • 收稿日期:  2012-12-19
  • 刊出日期:  2013-06-11
周鸣, 朱书法, 刘帅兵, 张企华. 海藻酸钠固化香蕉皮粉吸附染料废水[J]. 环境工程学报, 2013, 7(6): 2208-2212.
引用本文: 周鸣, 朱书法, 刘帅兵, 张企华. 海藻酸钠固化香蕉皮粉吸附染料废水[J]. 环境工程学报, 2013, 7(6): 2208-2212.
shu
Zhou Ming, Zhu Shufa, Liu Shuaibing, Zhang Qihua. Adsorption of dye wastewater by banana peel powder immobilized by sodium alginate[J]. Chinese Journal of Environmental Engineering, 2013, 7(6): 2208-2212.
Citation: Zhou Ming, Zhu Shufa, Liu Shuaibing, Zhang Qihua. Adsorption of dye wastewater by banana peel powder immobilized by sodium alginate[J]. Chinese Journal of Environmental Engineering, 2013, 7(6): 2208-2212.
shu

海藻酸钠固化香蕉皮粉吸附染料废水

  • 1. 河南科技大学化工与制药学院, 洛阳 471023
  • 收稿日期:  2012-12-19
基金项目:

河南科技大学青年科学基金项目(2012QN036)

河南科技大学教育教学改革计划项目(2012Y-027)

摘要: 利用海藻酸钠固化农业废弃物-香蕉皮粉制备成吸附剂,以甲基紫为例,对有机染料废水进行吸附研究,考察吸附时间,温度和甲基紫/吸附剂用量比对吸附的影响。实验结果表明,该吸附剂能有效地吸附掉溶液中的甲基紫,其吸附率随温度的增加而下降,最佳吸附时间为2 h,甲基紫/吸附剂的最佳用量比为1:5。在25℃、pH 7、甲基紫起始浓度10 mg/L,吸附剂浓度50 mg/L的条件下,吸附2 h,吸附率为92.64%,吸附量为185.3 mg/g。研究了相应的Langmuir、Freundlich吸附等温线和准一级、准二级动力学方程,结果表明甲基紫的吸附动力学数据与Freundlich吸附等温线和准二级动力学方程有更好的相关性,同时该吸附剂具有较好的重复利用率。

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