The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan
Yıl: 2018 Cilt: 39 Sayı: 2 Sayfa Aralığı: 569 - 476 Metin Dili: İngilizce DOI: 10.17776/csj.434258 İndeks Tarihi: 08-01-2019
The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan
Öz: In this study, Ni(II) adsorption was examined with the biocomposite prepared with theimmobilization of Candida utilis on chitosan polymer. The FTIR and SEM analyses of chitosan-Candidautilis 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 10-100mg/L. For the Ni(II) adsorption by C. utilis immobilized on chitosan, the optimum pH value was determinedto be 4.0, and temperature was determined to be 25 0C. Under these experimental conditions, the maximumadsorbed amount of Ni(II) per unit weight of adsorbent was found to be 9.5 mg/g. The adsorption equilibriumdata adjusted to the Langmuir isotherm model. The kinetic data were represented by the pseudo-first-orderkinetic model. The enthalpy, entropy and Gibbs free energy changes were found to be -4.61 kj/mol, 1.97j/mol, -10.48 kj/mol, respectively. With respect to the results obtained in this study, new chitosan-Candidautilis biocomposites will become an alternative for the removal of heavy metals from wastewaters.
Anahtar Kelime: Candida Utilis’in Kitosana Tutuklanması ile Sentezlenen Biyokompozit ile Ni (II) Gideriminin İncelenmesi
Öz: Bu çalışmada, kitosan polimeri üzerine Candida utilis’in tutuklanması ile hazırlanan biyokompozit ile Ni (II) adsorpsiyonu incelenmiştir. Kitosan-Candida utilis biyokompozitinin FTIR ve SEM analizleri Ni (II) iyonlarının adsorpsiyonundan önce ve sonra gerçekleştirildi. Kitosan üzerine tutuklanan C.utilis’in Ni (II) adsorpsiyonunda, Ni (II) konsantrasyonları 10-100 mg / L konsantrasyon aralığında değiştirilmiştir. Kitosan üzerine C.utilis’in Ni (II) adsorpsiyonu için ile elde edilen optimum pH değerinin 4.0 ve sıcaklık değerlerinin 25 ° C olduğu belirlenmiştir. Bu deney koşulları altında, adsorbanın maksimum adsorbe edilmiş Ni (II) miktarı 9.5 mg / g olarak bulunmuştur. Adsorpsiyon denge verileri Langmuir izoterm modeline uygun olduğu belirlenmiştir. Kinetik veriler, yalancı birinci dereceden kinetik modeline uygun olduğu tespit edilmiştir. Entalpi, entropi ve Gibbs serbest enerji değişimleri sırasıyla -4.61 kj / mol, 1.97 j / mol, -10.48 kj / mol olarak bulunmuştur. Bu çalışmada elde edilen sonuçlarla ilgili olarak, yeni chitosan-Candida utilis biyokompozitinin kullanımı, atıksularki ağır metallerin uzaklaştırılmasında bir alternatif haline gelecektir
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | KIP F, Açıkel Ü (2018). The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. , 569 - 476. 10.17776/csj.434258 |
| Chicago | KIP Feray,Açıkel Ünsal The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. (2018): 569 - 476. 10.17776/csj.434258 |
| MLA | KIP Feray,Açıkel Ünsal The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. , 2018, ss.569 - 476. 10.17776/csj.434258 |
| AMA | KIP F,Açıkel Ü The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. . 2018; 569 - 476. 10.17776/csj.434258 |
| Vancouver | KIP F,Açıkel Ü The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. . 2018; 569 - 476. 10.17776/csj.434258 |
| IEEE | KIP F,Açıkel Ü "The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan." , ss.569 - 476, 2018. 10.17776/csj.434258 |
| ISNAD | KIP, Feray - Açıkel, Ünsal. "The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan". (2018), 569-476. https://doi.org/10.17776/csj.434258 |
| 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), 569 - 476. 10.17776/csj.434258 |
| Chicago | KIP Feray,Açıkel Ünsal The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. Cumhuriyet Science Journal 39, no.2 (2018): 569 - 476. 10.17776/csj.434258 |
| MLA | KIP Feray,Açıkel Ünsal The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. Cumhuriyet Science Journal, vol.39, no.2, 2018, ss.569 - 476. 10.17776/csj.434258 |
| AMA | KIP F,Açıkel Ü The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. Cumhuriyet Science Journal. 2018; 39(2): 569 - 476. 10.17776/csj.434258 |
| Vancouver | KIP F,Açıkel Ü The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan. Cumhuriyet Science Journal. 2018; 39(2): 569 - 476. 10.17776/csj.434258 |
| IEEE | KIP F,Açıkel Ü "The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan." Cumhuriyet Science Journal, 39, ss.569 - 476, 2018. 10.17776/csj.434258 |
| ISNAD | KIP, Feray - Açıkel, Ünsal. "The Investigation of Ni (II) Removal by Biocomposite Synthesized with the Immobilization of Candida Utilis on Chitosan". Cumhuriyet Science Journal 39/2 (2018), 569-476. https://doi.org/10.17776/csj.434258 |
