Citation: XIONG Zhen-Hu, WANG Lu, ZHOU Jian-Guo, LIU Jian-Ming. Thermodynamics and Kinetics of Adsorption of Diclofenac on Magnetic Multiwalled Carbon Nanotubes in an Aqueous Solution[J]. Acta Physico-Chimica Sinica, ;2010, 26(11): 2890-2898. doi: 10.3866/PKU.WHXB20101130 shu

Thermodynamics and Kinetics of Adsorption of Diclofenac on Magnetic Multiwalled Carbon Nanotubes in an Aqueous Solution

XIONG Zhen-Hu ^1,2, ,
WANG Lu ^1,2 ,
ZHOU Jian-Guo ³ ,
LIU Jian-Ming ^1,2

1.
1. Tianjin Key Laboratory of Water Quality Science and Technology, Tianjin 300384, P. R. China;
2. Department of Environmental and Municipal Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, P. R. China;
3. Department of Material Science and Engineering; Tianjin Institute of Urban Construction, Tianjin 300384, P. R. China

Received Date: 26 May 2010
Available Online: 13 October 2010
Fund Project: 国家自然科学基金(50878138) (50878138)天津市自然科学基金(07JCZDJC01700)资助项目 (07JCZDJC01700)

We investigated the adsorption of diclofenac (an anti-inflammatory drug) in aqueous solutions by magnetic multiwalled carbon nanotubes (MWCNTs). The results showed that the amount of adsorbed diclofenac initially increased with magnetic MWCNT dosage and stabilized at a magnetic MWCNT dosage of 0.7 g·L^-1. The amount of diclofenac adsorbed by the magnetic MWCNTs was 33.37 mg·g^-1 and the removal rate of diclofenac was 98.1%. The removal rate for the diclofenac increased and then decreased with the pH value of solution, but it decreased with the temperature of solution. Kinetic analysis was conducted using pseudo first and second order models. Regression results showed that the adsorption kinetics was more accurately represented by a pseudo second order model. The linear correlation coefficients and standard deviations of the Langmuir and Freundlich isotherms were determined and the results revealed that the Langmuir isothermfit the experimental results well. The calculated thermodynamic parameters were: ΔG⁰<0 indicating that the adsorption of diclofenac on magnetic MWCNTs was spontaneous, ΔH⁰<0 indicating that the absorption reaction was exothermic and that low temperatures are favorable for adsorption, and ΔS⁰>0 indicating that the adsorption process was a entropy enhancing process.
- Adsorption,
- Diclofenac,
- Magnetic multiwalled carbon nanotubes,
- Kinetics,
- Thermodynamics
1. [1]
  
  1. Zhang, Y. J.; Sven, U. G.; Carmen, G. Chemosphere, 2008, 73: 1151
2. [2]
  2. Sun, Z.; Schüssler, W.; Seng, M.; Niessner, R.; Knopp, D. Analytica Chimica Acta, 2008, 620: 73
3. [3]
  3. Alessandra, D. C.; Carmen, S.; Ana, A.; Maria, J. G.; Santia , E.; Márcia, D. Science of the Total Environment, 2009, 407: 3572
4. [4]
  4. Yu,W. L.; Xiong, Z. H.; Ma, H. J. Acta Scientiae Circumstantiate, 2009, 29: 2070 [于万禄,熊振湖,马华继. 环境科学学报, 2009, 29: 2070]
5. [5]
  5. Alfred, R.; Shane, A. S.; Detlef, R. U. K. Water Research, 2009, 43: 3787
6. [6]
  6. Patrick, O.; Bo, P.; Xing, B. S. Environmental Science & Technology, 2009, 43: 9167
7. [7]
  7. Lu, Y. M.; ng, Q. M.; Liang, J. Acta Physico-Chimica Sinica, 2009, 25: 1697 [卢月美,巩前明,梁吉. 物理化学学报, 2009, 25:1697]
8. [8]
  8. Pan, B.; Xing, B. S. Environmental Science&Technology, 2008, 42: 9005
9. [9]
  9. Sheng, G. D.; Li, J. X.; Shao, D. D.; Hu, J.; Chen, C. G.; Chen, Y. X.; Wang, X. G. Journal of Hazardous Materials, 2010, 178: 333
10. [10]
  10. Chen, J.; Duan, C. F.; Guan, Y. F. Journal of Chromatography B, 2010, 878: 1216
11. [11]
  11. Noushin, R.; Reza, A.; Nasrin, S.; Abbas, S.; Masud, Y. Analytica Chimica Acta, 2010, 662: 90
12. [12]
  12. Zhang, Q.; Zhu, M.; Zhang, Q. H.; Li, Y. G.; Wang, H. G. Composites Science and Technology, 2009, 69: 633
13. [13]
  13. Wang, B.; ng, J. L.; Yang, C. P.; Zeng, G. M.; Zhou,W. Q. China Environmental Science, 2008, 28: 1009 [王彬,龚继来, 杨春平,曾光明, 周雯婧.中国环境科学, 2008, 28: 1009]
14. [14]
  14. Ye, C.; ng, Q. M.; Lu, F. P.; Liang, J. Separation and Purification Technology, 2007, 58: 2
15. [15]
  15. Liu, C. Research of diclofenac sodiumsilk fibroin-chitosan sustained-release microsphere [D]. Suzhou: Suzhou University, 2009 [刘纯. 双氯芬酸钠丝素蛋白-壳聚糖缓释微球的研究 [D].苏州: 苏州大学, 2009]
16. [16]
  16. Chen, M. L.; Zhang, F. J.; Oh, W. C. New Carbon Materials, 2009, 24: 159 [陈明亮,张峰君,吴沅春. 新型炭材料, 2009, 24: 159]
17. [17]
  17. Kuo, C. Y.; Wu, C. H.; Wu, J. Y. Journal of Colloid and Interface Science, 2008, 327: 308
18. [18]
  18. Chen, G. C.; Shan, X. Q.; Zhou, Y. Q.; Shen, X.; Huang, H. L.; Khan, S. U. Journal of Hazardous Materials, 2009, 169: 912
19. [19]
  19. Hideyuki, K.; Tomohiro, M.; Satoshi, K.; Tohru, S.; Kiyohisa, O. Microchemical Journal, 2008, 88: 82
20. [20]
  20. Zhang, J. B.; Zhou, Q. F.; Liu, W.; Jiang, G. B. Acta Scientiae Circumstantiae, 2009, 29: 1056 [张建斌, 周群芳,刘伟,江桂斌.环境科学学报, 2009, 29: 1056]
21. [21]
  21. Shahnaz, Q.; Ashley, G.; Yousef, H. Journal of Hazardous Materials, 2009, 169: 318
22. [22]
  22. Wojciech, P.; Wladyslaw, R.; Anita, P. Advances in Colloid and Interface Science, 2009, 152: 2
23. [23]
  23. Salama, M. A.; Burk, R. C. Applied Surface Science, 2008, 255: 1975
24. [24]
  24. Kuo, C. Y.; Wu, C. H.;Wu, J. Y. Journal of Colloid and Interface Science, 2008, 327: 308
25. [25]
  25. ng, J. L.; Wang, B.; Zeng, G. M.; Yang, C. P.; Niu, C. C.; Niu, Q. Y.; Zhou, W. J.; Liang, Y. Journal of Hazardous Materials, 2009, 164: 1517
1. [1]
  Jingke LIU , Jia CHEN , Yingchao HAN . Nano hydroxyapatite stable suspension system: Preparation and cobalt adsorption performance. Chinese Journal of Inorganic Chemistry, 2024, 40(9): 1763-1774. doi: 10.11862/CJIC.20240060
2. [2]
  Heng Zhang . Determination of All Rate Constants in the Enzyme Catalyzed Reactions Based on Michaelis-Menten Mechanism. University Chemistry, 2024, 39(4): 395-400. doi: 10.3866/PKU.DXHX202310047
3. [3]
  Zhiwen HU , Ping LI , Yulong YANG , Weixia DONG , Qifu BAO . Morphology effects on the piezocatalytic performance of BaTiO₃. Chinese Journal of Inorganic Chemistry, 2025, 41(2): 339-348. doi: 10.11862/CJIC.20240172
4. [4]
  Yiying Yang , Dongju Zhang . Elucidating the Concepts of Thermodynamic Control and Kinetic Control in Chemical Reactions through Theoretical Chemistry Calculations: A Computational Chemistry Experiment on the Diels-Alder Reaction. University Chemistry, 2024, 39(3): 327-335. doi: 10.3866/PKU.DXHX202309074
5. [5]
  Yue Wu , Jun Li , Bo Zhang , Yan Yang , Haibo Li , Xian-Xi Zhang . Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment. University Chemistry, 2024, 39(6): 390-399. doi: 10.3866/PKU.DXHX202403028
6. [6]
  Peng XU , Shasha WANG , Nannan CHEN , Ao WANG , Dongmei YU . Preparation of three-layer magnetic composite Fe₃O₄@polyacrylic acid@ZiF-8 for efficient removal of malachite green in water. Chinese Journal of Inorganic Chemistry, 2024, 40(3): 544-554. doi: 10.11862/CJIC.20230239
7. [7]
  Xuzhen Wang , Xinkui Wang , Dongxu Tian , Wei Liu . Enhancing the Comprehensive Quality and Innovation Abilities of Graduate Students through a “Student-Centered, Dual Integration and Dual Drive” Teaching Model: A Case Study in the Course of Chemical Reaction Kinetics. University Chemistry, 2024, 39(6): 160-165. doi: 10.3866/PKU.DXHX202401074
8. [8]
  Jianchun Wang , Ruyu Xie . The Fantastical Dance of Miss Electron: Contra-Thermodynamic Electrocatalytic Reactions. University Chemistry, 2025, 40(4): 331-339. doi: 10.12461/PKU.DXHX202406082
9. [9]
  Xiaohui Li , Ze Zhang , Jingyi Cui , Juanjuan Yin . Advanced Exploration and Practice of Teaching in the Experimental Course of Chemical Engineering Thermodynamics under the “High Order, Innovative, and Challenging” Framework. University Chemistry, 2024, 39(7): 368-376. doi: 10.3866/PKU.DXHX202311027
10. [10]
  Shule Liu . Application of SPC/E Water Model in Molecular Dynamics Teaching Experiments. University Chemistry, 2024, 39(4): 338-342. doi: 10.3866/PKU.DXHX202310029
11. [11]
  Yaling Chen . Basic Theory and Competitive Exam Analysis of Dynamic Isotope Effect. University Chemistry, 2024, 39(8): 403-410. doi: 10.3866/PKU.DXHX202311093
12. [12]
  Jiayu Gu , Siqi Wang , Jun Ling . Kinetics of Living Copolymerization: A Brief Discussion. University Chemistry, 2025, 40(4): 100-107. doi: 10.12461/PKU.DXHX202406012
13. [13]
  Hui Wang , Abdelkader Labidi , Menghan Ren , Feroz Shaik , Chuanyi Wang . 微观结构调控的g-C₃N₄在光催化NO转化中的最新进展：吸附/活化位点的关键作用. Acta Physico-Chimica Sinica, 2025, 41(5): 100039-. doi: 10.1016/j.actphy.2024.100039
14. [14]
  Ruming Yuan , Pingping Wu , Laiying Zhang , Xiaoming Xu , Gang Fu . Patriotic Devotion, Upholding Integrity and Innovation, Wholeheartedly Nurturing the New: The Ideological and Political Design of the Experiment on Determining the Thermodynamic Functions of Chemical Reactions by Electromotive Force Method. University Chemistry, 2024, 39(4): 125-132. doi: 10.3866/PKU.DXHX202311057
15. [15]
  Jinfu Ma , Hui Lu , Jiandong Wu , Zhongli Zou . Teaching Design of Electrochemical Principles Course Based on “Cognitive Laws”: Kinetics of Electron Transfer Steps. University Chemistry, 2024, 39(3): 174-177. doi: 10.3866/PKU.DXHX202309052
16. [16]
  Yeyun Zhang , Ling Fan , Yanmei Wang , Zhenfeng Shang . Development and Application of Kinetic Reaction Flasks in Physical Chemistry Experimental Teaching. University Chemistry, 2024, 39(4): 100-106. doi: 10.3866/PKU.DXHX202308044
17. [17]
  Dexin Tan , Limin Liang , Baoyi Lv , Huiwen Guan , Haicheng Chen , Yanli Wang . Exploring Reverse Teaching Practices in Physical Chemistry Experiment Courses: A Case Study on Chemical Reaction Kinetics. University Chemistry, 2024, 39(11): 79-86. doi: 10.12461/PKU.DXHX202403048
18. [18]
  Shanghua Li , Malin Li , Xiwen Chi , Xin Yin , Zhaodi Luo , Jihong Yu . 基于高离子迁移动力学的取向ZnQ分子筛保护层实现高稳定水系锌金属负极的构筑. Acta Physico-Chimica Sinica, 2025, 41(1): 2309003-. doi: 10.3866/PKU.WHXB202309003
19. [19]
  Yuchen Zhou , Huanmin Liu , Hongxing Li , Xinyu Song , Yonghua Tang , Peng Zhou . 设计热力学稳定的贵金属单原子光催化剂用于乙醇的高效非氧化转化形成高纯氢和增值产物乙醛. Acta Physico-Chimica Sinica, 2025, 41(6): 100067-. doi: 10.1016/j.actphy.2025.100067
20. [20]
  You Wu , Chang Cheng , Kezhen Qi , Bei Cheng , Jianjun Zhang , Jiaguo Yu , Liuyang Zhang . ZnO/D-A共轭聚合物S型异质结高效光催化产H₂O₂及其电荷转移动力学研究. Acta Physico-Chimica Sinica, 2024, 40(11): 2406027-. doi: 10.3866/PKU.WHXB202406027

Get Citation

PDF

XML

Metrics

PDF Downloads(3358)
Abstract views(5057)
HTML views(36)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142