화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.5, 2921-2926, September, 2014
DOI10.1016/j.jiec.2013.11.029  Export Citation
Investigation of Reactive Red Dye 198 removal using multiwall carbon nanotubes in aqueous solution
Mohammad A. Baghapour1, Sudabeh Pourfadakari1, and Amir H. Mahvi2, 3, †
  • 1Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
  • 2School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  • 3National Institute of Health Research, Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
E-mail:
The present study evaluates the performance of multiwalled carbon nanotubes (MWCNTs) for removing Reactive Red Dye 198 (RR198) from the color wastewater. In this study, the influence of pH, adsorbent dose, initial dye concentration, and contact time on the RR198 adsorption by MWCNTs was investigated. The results showed increasing the dye concentration from 20 to 200 mg/L, removal efficiency decreased from 99.62% to 66.99%. Moreover, by increasing the pH from 3 to 10, the efficiency of dye removal decreased from 76.34% to 54.98%. Freundlich isotherm and pseudo-second-order kinetic model were the best models for describing the adsorption reactions.
Keywords:Reactive Red 198;Adsorption isotherm and kinetics;MWCNTs;Textile
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