Adsorption isotherms for copper ions biosorption onto onion peels

Gorgievski, Milan; Marković, Miljan; Štrbac, Nada; Grekulović, Vesna; Zdravković, Milica

Conference Object Open access M33

ecoter_2023-361-366full.pdf (1.40MB)

2023

Gorgievski, Milan
Marković, Miljan
Štrbac, Nada
Grekulović, Vesna
Zdravković, Milica

University of Belgrade, Technical Faculty in Bor

Proceedings - 30th International Conference Ecological Truth & Environmental Research - EcoTER'23, 20-23 June 2023, Serbia, 2023, 335-340

335

340

English

M33 - Conference paper at an international conference, printed in full

Langmuir, Freundlich, and Temkin isotherm models were used to study the equilibrium and mechanism of biosorption of copper ions onto onion peels under batch conditions. Isotherm parameters were calculated from the line graphs according to each model. The results obtained on the basis of correlation coefficients, show that the Freundlich isotherm model (R2 = 0.964) is in good agreement with the analyzed experimental data. This model assumes that the surface energy of the adsorbent is heterogeneous, strong binding sites are occupied first, and that the binding energy decreases as the number of occupied adsorbent sites increases.

adsorption isotherms, copper ions, onion peels, biosorption

ISBN

978-86-6305-137-9

URI

https://eco.tfbor.bg.ac.rs/download/Zbornici...
https://repozitorijum.tfbor.bg.ac.rs/handle/...

dc.rights.license	CC-BY-NC-ND
dc.date.issued	2023
dc.identifier.isbn	978-86-6305-137-9
dc.identifier.uri	https://eco.tfbor.bg.ac.rs/download/Zbornici/2023.pdf
dc.identifier.uri	https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/2459
dc.description.abstract	Langmuir, Freundlich, and Temkin isotherm models were used to study the equilibrium and mechanism of biosorption of copper ions onto onion peels under batch conditions. Isotherm parameters were calculated from the line graphs according to each model. The results obtained on the basis of correlation coefficients, show that the Freundlich isotherm model (R2 = 0.964) is in good agreement with the analyzed experimental data. This model assumes that the surface energy of the adsorbent is heterogeneous, strong binding sites are occupied first, and that the binding energy decreases as the number of occupied adsorbent sites increases.
dc.language.iso	en
dc.publisher	University of Belgrade, Technical Faculty in Bor
dc.source	Proceedings - 30th International Conference Ecological Truth & Environmental Research - EcoTER'23, 20-23 June 2023, Serbia, 2023, 335-340
dc.subject	adsorption isotherms
dc.subject	copper ions
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject	onion peels
dc.subject	biosorption
dc.title	Adsorption isotherms for copper ions biosorption onto onion peels
dc.type	conferenceObject
dc.type.version	publishedVersion
dc.citation.spage	335
dc.citation.epage	340
dc.citation.rank	M33
dc.creator	Gorgievski, Milan
dc.creator	Marković, Miljan
dc.creator	Štrbac, Nada
dc.creator	Grekulović, Vesna
dc.creator	Zdravković, Milica
dc.date.accessioned	2023-12-26T08:48:27Z
dc.date.available	2023-12-26T08:48:27Z


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