화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.35, No.5, 1108-1118, May, 2018
DOI10.1007/s11814-018-0012-1  Export Citation
Application of copper sulfide nanoparticles loaded activated carbon for simultaneous adsorption of ternary dyes: Response surface methodology
Fatemeh Momtazan, Azam Vafaei†, Mehrorang Ghaedi1, Abdol Mohammad Ghaedi, Daryoush Emadzadeh2, †, Woei-Jye Lau3, and Mohammad Mehdi Baneshi4
  • Chemistry Department, Gachsaran Branch, Islamic Azad University, Gachsaran 75818-63876, Iran
  • 1Chemistry Department, Yasouj University, Yasouj 75914-35, Iran
  • 2Department of Chemical Engineering, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran
  • 3Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
  • 4Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
E-mail:,
Copper sulfide nanoparticles were synthesized and loaded on activated carbon (CuS-NPs-AC) for ternary dye removal. Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction spectroscopy (XRD) and scanning electron microscopy (SEM) equipped with energy-dispersive X-ray spectroscopy (EDX) were used to characterize the synthesized materials. The performance of the materials was subsequently evaluated for simultaneous ultrasound assisted adsorption of Disulphine Blue (DB), Eosin Yellow (EY) and Safranin O (SO) dyes in ternary solution under different conditions that include variation in solution pH, initial concentrations of dyes, sonication time and adsorbent dosage. Response surface methodology (RSM) using central composite design (CCD) was employed to obtain the optimum experimental conditions. The maximum removal efficacies (88.39%, 68.49% and 55.69% for DB, EY and SO, respectively) were found at the optimum conditions: 3.63 min of sonication time, 0.02 g of CuS-NPs-AC, 7.76mg L-1 of DB, 8.89mg L-1 of EY, 9.87mg L-1 of SO and pH 6.5. Very high adsorbent capacities of 198.12, 165.0, 139.58mg g-1 for DB, EY and SO, respectively, were yielded from Langmuir isotherm as best fitted model. Kinetic study indicated that the pseudo-second-order kinetic model was well fitted to the experimental data of ternary adsorption process. The results of the study display very good adsorption efficiency of the synthesized adsorbent for dye removal with high adsorption capacity under optimum conditions.
Keywords:Adsorption;Central Composite Design;CuS-NPs-AC;Disulphine Blue;Eosin Yellow;Safranin O
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