Dried Orange Peel: A potential Bio sorbent for Removal of Cu (II) and Cd (II) Ions from Aqueous Solution

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Title Dried Orange Peel: A potential Bio sorbent for Removal of Cu (II) and Cd (II) Ions from Aqueous Solution
 
Creator Yerga, Awash
Nigussie, Gashaw
Werede, Yemane
Ibrahim, Fozia
 
Subject Orange peel
bio sorption
adsorption isotherm
adsorption capacity
Cu 2, Cd 2,
Waste Water Treatment
 
Description Bio sorption is one of potential alternative conventional technologies for the removal of metal ions from aqueous solutions due to its low cost, high efficiency, minimization of chemical or biological sludge, regeneration of bio sorbents and possibility of metal recovery. Therefore the aim of this study was to study effect of operational parameters on dried orange peel:  a potential bio sorbent for removal of Cd (II) and Cu (II) ions from aqueous solution. Batch adsorption experiments were performed as a function of pH, contact time, solute concentration and adsorbent dose and the residual metal ion concentrations were determined using flame Atomic Absorption Spectrometer (FAAS).The results indicate that optimum conditions for copper (II) and cadmium (II) adsorption were achieved with contact time of 120 minutes and dose of orange peel 2 g at pH 2 and 6 respectively. The orange peel yielded a maximum adsorption efficiency of 99.23% for copper (II) ion and 97.75% for cadmium (II). The fitness of the bio sorption data for Langmuir and Freundlich adsorption models was investigated and the calculated equilibrium data fitted well to both Langmuir with correlation coefficient (R2) of 0.988 for Copper (II) and 0.979 for cadmium (II) ion and Freundlich with correlation coefficient (R2) of 0.995 for copper (II) ion and 0.998 for cadmium (II) ion. The maximum adsorption capacity (qmax) of orange peel was found to be 4.15 mg/g for copper (II) ion and 2.45 mg/g for cadmium (II) ion.
 
Publisher PURKH
 
Date 2020-12-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://purkh.com/index.php/tochem/article/view/921
 
Source To Chemistry Journal; Vol. 7 (2020); 124-142
2581-7507
 
Language eng
 
Relation https://purkh.com/index.php/tochem/article/view/921/840
 
Rights Copyright (c) 2020 Awash Yerga, Gashaw Nigussie, Yemane Werede, Fozia Ibrahim
https://creativecommons.org/licenses/by/4.0
 

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