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高等学校化学研究 ›› 2015, Vol. 31 ›› Issue (4): 627-632.doi: 10.1007/s40242-015-4327-8

• Articles • 上一篇    下一篇

Modeling and Thermodynamics of Methylene Blue and Acid Blue 80 Adsorption onto Potato Residue Based Activated Carbon

LIU Yani1, LUO Xinsheng2, ZHANG Zhe2, ZHOU Pengxin2, YANG Zhiwang2   

  1. 1. College of Science, Gansu Agricultural University, Lanzhou 730070, P. R. China;
    2. Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
  • 收稿日期:2014-09-01 修回日期:2014-12-10 出版日期:2015-08-01 发布日期:2015-01-19
  • 通讯作者: LIU Yani E-mail:nuli518@126.com
  • 基金资助:

    Supported by the National Natural Science Foundation of China(No.21174114), the Program for Changjiang Scholars and Innovative Research Team in University, China(No.IRT1177), the Program for Gansu Innovation Group, China (No.1208RJYA055), the Open Fund of Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, China.

Modeling and Thermodynamics of Methylene Blue and Acid Blue 80 Adsorption onto Potato Residue Based Activated Carbon

LIU Yani1, LUO Xinsheng2, ZHANG Zhe2, ZHOU Pengxin2, YANG Zhiwang2   

  1. 1. College of Science, Gansu Agricultural University, Lanzhou 730070, P. R. China;
    2. Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
  • Received:2014-09-01 Revised:2014-12-10 Online:2015-08-01 Published:2015-01-19
  • Contact: LIU Yani E-mail:nuli518@126.com
  • Supported by:

    Supported by the National Natural Science Foundation of China(No.21174114), the Program for Changjiang Scholars and Innovative Research Team in University, China(No.IRT1177), the Program for Gansu Innovation Group, China (No.1208RJYA055), the Open Fund of Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, China.

摘要:

A study was made on the adsorption kinetics and thermodynamics of methylene blue(MB) and acid blue 80(AB80) onto powder of activated carbon(PAC) prepared by chemical method from dry potato residue(DPR). The PAC was characterized by N2 adsorption-desorption isotherms analysis and scanning electron microscopy. The ma- ximum adsorption capacities of PAC for MB and AB80 at 303 K are 532.19 and 156.22 mg/g, respectively. The results indicate that the adsorption kinetics of the selected dyes on PAC is well-described by the pseudo-second order model. And their thermodynamic data were analyzed via the isotherms of Langmuir, Freundlich, Redlich-Peterson, Toth and Sips, and the thermodynamic parameters were calculated. The results show that PAC is a fast and effective adsorbent for removing the cationic dyes from aqueous solutions.

关键词: Adsorption, Activated carbon, Methylene blue, Acid blue 80

Abstract:

A study was made on the adsorption kinetics and thermodynamics of methylene blue(MB) and acid blue 80(AB80) onto powder of activated carbon(PAC) prepared by chemical method from dry potato residue(DPR). The PAC was characterized by N2 adsorption-desorption isotherms analysis and scanning electron microscopy. The ma- ximum adsorption capacities of PAC for MB and AB80 at 303 K are 532.19 and 156.22 mg/g, respectively. The results indicate that the adsorption kinetics of the selected dyes on PAC is well-described by the pseudo-second order model. And their thermodynamic data were analyzed via the isotherms of Langmuir, Freundlich, Redlich-Peterson, Toth and Sips, and the thermodynamic parameters were calculated. The results show that PAC is a fast and effective adsorbent for removing the cationic dyes from aqueous solutions.

Key words: Adsorption, Activated carbon, Methylene blue, Acid blue 80