Response surface methodology approach for optimization of methyl orange adsorptive removal by magnetic chitosan nanocomposite

Authors

  • Ali Ayati Department of Chemical Engineering, Quchan University of Advanced Technology, Quchan, Iran.
  • Ali Zeraatkar Moghaddam
  • Bahareh Tanhaei
  • Fatemeh Deymeh
  • Mika Sillanpaa

DOI:

https://doi.org/10.20450/mjcce.2017.991

Keywords:

Adsorption, Optimization, Chitosan, Magnetic, Response Surface Methodology.

Abstract

In this work, the adsorption process of methyl orange (MO) removal by a magnetic chitosan with an Al2O3/Fe3O4 core was optimized using the experimental design method in order to maximize the removal efficiency. Response surface methodology (RSM) based on central composite design (CCD) was performed to find the relationship between the effective adsorption parameters on the MO removal efficiency as the response. The statistical parameters of the derived model were acquired: R2 = 0.9799 and F value = 47.07. Finally, non-linear optimization was carried out and values of 6.5, 0.70 g l–1, 30 ppm, and 60 min were obtained as the optimum values for pH, adsorbent dosage, initial concentration, and contact time, respectively, while the predicted MO removal efficiency was found to be 96.8 ± 2.2% (with a 95% confidence level). This was in agreement with the experimental response of 96.5 ± 1.4%.

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Published

2017-05-25

How to Cite

Ayati, A., Zeraatkar Moghaddam, A., Tanhaei, B., Deymeh, F., & Sillanpaa, M. (2017). Response surface methodology approach for optimization of methyl orange adsorptive removal by magnetic chitosan nanocomposite. Macedonian Journal of Chemistry and Chemical Engineering, 36(1), 143–151. https://doi.org/10.20450/mjcce.2017.991

Issue

Vol. 36 No. 1 (2017)

Section

Chemical Engineering

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