화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.38, No.8, 1556-1563, August, 2021
DOI10.1007/s11814-021-0828-y  Export Citation
Optimization of basic magenta adsorption onto Fe/Cu nanocomposites synthesized by sweet potato leaf extract using response surface methodology
Yuanyuan Niu1, Ruijuan Jia1, Chenglin Liu1, Xiuli Han1, 2, †, Chun Chang1, 2, and Junying Chen1, 2
  • 1School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
  • 2Henan Center for Outstanding Overseas Scientists, Zhengzhou 450001, China
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Green synthesis of metal nanoparticles using plant extracts as an effective bio-reducing reagent has attracted considerable attention. Fe/Cu nanocomposites synthesized by extracts of sweet potato leaves served to remove basic magenta (BM) from aqueous solution. The adsorption operation conditions of BM on Fe/Cu nanocomposites were optimum by Box-Behnken design (BBD) model of response surface methodology (RSM). The adsorption equilibrium data were well described by the Sips and Redlich-Peterson models. The thermodynamic studies showed that the adsorption process was endothermic and spontaneous. The maximum adsorption capacity from the Sips model was 235.92mg/g at 298 K, which indicated that Fe/Cu nanocomposites had potential application in wastewater treatment. As indicated by pseudo-second order kinetics model, the adsorption of BM onto Fe/Cu nanocomposites could be achieved through the complexation, H-bonding, π-π adsorbate-adsorbent interaction, and electrostatic interaction at different pH values.
Keywords:Sweet Potato Leaf;Fe/Cu Nanocomposites;Basic Magenta;Adsorption;Response Surface Methodology
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