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Chemcial Industry and Engineering 2018, Vol. 35 Issue (1) :75-79    DOI: 10.13353/j.issn.1004.9533.20161057
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Kinetics and Thermodynamics of Adsorption of Saccharin on H1020 Macroporous Resins
Wang Pinpin, Chen Shuang, Dong Jinshi, Wang Baohe
Research and Development Center of Petrochemical Technology, Tianjin University, Tianjin 300072, China

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Abstract 

The adsorption capability of macroporous resin H1020 for saccharin (o-benzoic sulfimide) was studied. The adsorption equilibrium experiments were conducted under 303.15, 308.15, 313.15 and 318.15 K. The experimental data were fitted to pseudo-first order model and pseudo-second order model respectively. The adsorption process of saccharin on macroporous resin H1020 could be described better by pseudo-second order model.The adsorption data are correlated with the Langmuir and Freundlich isotherm equation. The results showed that Freundlich isotherm equation was better to describe the isothermal adsorption of saccharin on the macroporous resin. The values of the thermodynamic parameters including the changes in Gibbs free energy, enthalpy and entropy are calculated. We can conclude from these thermodynamic parameters that the adsorption process of saccharin on macroporous resin H1020 is spontaneous and exothermic physical adsorption.

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Articles by authors
Wang Pinpin
Chen Shuang
Dong Jinshi
Wang Baohe
Keywordssaccharin;   macroporous resin H1020;   adsorption     
Received 2016-04-08;
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Wang Pinpin, Chen Shuang, Dong Jinshi, Wang Baohe.Kinetics and Thermodynamics of Adsorption of Saccharin on H1020 Macroporous Resins[J]  Chemcial Industry and Engineering, 2018,V35(1): 75-79
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