The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan

Feray Kip; Ünsal Açıkel

doi:10.17776/csj.434258

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The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan

Abstract

In this study, Ni(II) adsorption was examined with the biocomposite prepared with the immobilization of Candida utilis on chitosan polymer. The FTIR and SEM analyses of chitosan-Candida utilis biocomposite were carried out before and after adsorption of Ni (II) ions. For the Ni(II) adsorption by C. utilis immobilized on chitosan, the Ni(II) concentrations were changed in the concentration range of 10-100 mg/L. For the Ni(II) adsorption by C. utilis immobilized on chitosan, the optimum pH value was determined to be 4.0, and temperature was determined to be 25 ⁰C. Under these experimental conditions, the maximum adsorbed amount of Ni(II) per unit weight of adsorbent was found to be 9.5 mg/g. The adsorption equilibrium data adjusted to the Langmuir isotherm model. The kinetic data were represented by the pseudo-first-order kinetic model. The enthalpy, entropy and Gibbs free energy changes were found to be -4.61 kj/mol, 1.97 j/mol, -10.48 kj/mol, respectively. With respect to the results obtained in this study, new chitosan-Candida utilis biocomposites will become an alternative for the removal of heavy metals from wastewaters.

Keywords

Wastewater,chitosan,Candida utilis,Ni(II),adsorption

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Authors

Feray Kip ^*

Ünsal Açıkel

Publication Date

June 29, 2018

Submission Date

April 11, 2017

Acceptance Date

April 24, 2018

Published in Issue

Year 2018 Volume: 39 Number: 2

DOI

https://doi.org/10.17776/csj.434258

IZ

https://izlik.org/JA22WZ93BT

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RIS / Bibtex

APA

Kip, F., & Açıkel, Ü. (2018). The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. Cumhuriyet Science Journal, 39(2), 469-476. https://doi.org/10.17776/csj.434258

The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan

The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan

Abstract

Keywords

Candida Utilis’in Kitosana Tutuklanması ile Sentezlenen Biyokompozit ile Ni (II) Gideriminin İncelenmesi

Öz

Anahtar Kelimeler

References

Details

Primary Language

Subjects

Journal Section

Authors

Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

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