화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.32, No.9, 1879-1888, September, 2015
DOI10.1007/s11814-015-0010-5  Export Citation
Evaluation of 2,4-D removal via activated carbon from pomegranate husk/polymer composite hydrogel: Optimization of process parameters through face centered composite design
Fulya Taktak1, Zeynep Ilbay2, 3, †, and Selin Sahin3
  • 1Department of Chemical Engineering, Engineering Faculty, Usak University, Usak 64200, Turkey, Korea
  • 2Department of Chemical Engineering, Engineering Faculty, Usak University, Usak 64200, Turkey
  • 3Department of Chemical Engineering, Engineering Faculty, Istanbul University, Avcılar, Istanbul 34320, Turkey
E-mail:
A new type of polymer composite hydrogel was prepared by introducing activated carbons from pomegranate husk into poly ((2-dimethylamino) ethyl methacrylate) network. The removal of 2,4-dichlorophenoxyacetic acid (2,4-D) from aqueous solution was studied with respect to pH of the media, initial 2,4-D concentration and activated carbon content into the polymeric network. Face centered composite design (FCCD) through response surface methodology (RSM) was used for designing the experiments as well as for studying the effects of the process parameters. A quadratic model and a two factor interaction design model were developed for the removal of 2,4-D and adsorption capacity, respectively. The optimum pH of the pesticide solution, activated carbon content into the polymeric network and initial concentration of 2,4-D were found as 3, 2.5 wt% and 100mg/L. 63.245% and 68.805 (mg/g) for the removal of 2,4-D and adsorption capacity were obtained by using Simplex optimization method. Furthermore, the surface characteristics of the adsorbent prepared under optimized conditions were examined by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR).
Keywords:2,4-Dichlorophenoxyacetic Acid;Pomegranate Husk;Polymer Composite Hydrogel;Optimization
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