화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.5, 3678-3688, September, 2014
DOI10.1016/j.jiec.2013.12.066  Export Citation
Experimental investigation on enhancing aqueous cadmium removal via nanostructure composite of modified hexagonal type mesoporous silica with polyaniline/polypyrrole nanoparticles
Hamedreza Javadian†, Fatemeh Zamani Sorkhrodi1, and Behrouz Babzadeh Koutenaei2
  • Department of Chemical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran
  • 1Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran 1465613111, Iran
  • 2Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
E-mail:
A composite of polyaniline/polypyrrole/hexagonal type mesoporous silica (PANI/PPy/HMS) was prepared, characterized by FE-SEM, FT-IR, XRD, TGA and BET analysis and applied in investigation of its adsorption characteristics for the removal of Cd(II) ions from aqueous solutions. Batch mode experiments were conducted and four kinetic models were used to describe the adsorption process. The adsorption kinetics results showed that the adsorbent had high affinity to Cd(II) in aqueous solutions, and the adsorption reached equilibrium within 8 min. The experimental data were fitted very well with the pseudo-second-order kinetic models. The equilibrium adsorption data were best fitted with the Freundlich isotherm.
Keywords:Adsorption;Cd(II);PANI/PPy/HMS;Kinetic;Isotherm
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