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Experimental study to remediate acid fuchsin dye using laccase-modified zeolite from aqueous solutions

Date

2015

Author

Kalkan E.
Nadaroglu H.
Celebi N.
Celik H.
Tasgin E.

Metadata

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Abstract

This paper studies, the removal of acid fuchsin dye from aqueous solutions using zeolite natural material after its modification with laccase from Russulaceae (Lactarius volemus). Batch adsorption experiments were performed as a function of pH, contact time, temperature, and adsorbent dosage. The optimum results were obtained at pH 5, contact time of 60 min, temperature of 60ºC, and an adsorbent dosage of 1.5 mg/mL. The isotherm studies show that the adsorption experimental data are fitted well by Langmuir isotherm model. The adsorption capacity found is 31 mg/g. The kinetics of AFD adsorption on LMZ is best described with the pseudo-first-order kinetics model. Thermodynamic parameters including Gibbs free energy, enthalpy, and entropy changes indicate that the adsorption of Acid Fuchsin dye onto laccase-modified zeolite is feasible, spontaneous, and exothermic. The results show that laccase-modified zeolite can be used as an alternative lowcost adsorbent for dye removal from aqueous solutions. © 2015, HARD Publishing Company. All rights reserved.

Source

Polish Journal of Environmental Studies

Volume

24

Issue

1

URI

https://dx.doi.org/10.15244/pjoes/23797
https://hdl.handle.net/20.500.12403/766

Collections

  • Scopus İndeksli Yayınlar Koleksiyonu [570]
  • WoS İndeksli Yayınlar Koleksiyonu [372]



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