화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.3, 916-924, May, 2014
DOI10.1016/j.jiec.2013.06.023  Export Citation
Adsorption behavior of estrogenic compounds on carbon nanotubes from aqueous solutions: Kinetic and thermodynamic studies
Lateefa A. Al-Khateeb, Abdualah Y. Obaid, Najwa A. Asiri, and Mohamad Abdel Salam†
  • Chemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80200, Jeddah 21589, Saudi Arabia
E-mail:
In this study different estrogenic compounds, estrone (E1), 17β-estradiol (E2), and 17α-ethinylestradiol (EE2), were removed from the model and real solution by the newly emerged multi-walled carbon nanotubes. The effects of different factors which affect the removal process were studied and optimized for efficient removal. The kinetics of E1, E2, and EE2 adsorption on MWCNTs were analyzed using different kinetic models and the results showed that the removal was mainly a pseudo-second-order process. The thermodynamic study showed the spontaneity and exothermic nature of the removal process, with negative entropy.
Keywords:Carbon nanotubes;Estrogenic compounds;Adsorption;Kinetic;Thermodynamic
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