Adsorptive removal capacity of gravel for metal cations in the absence/presence of competitive adsorption

Banu Sizirici; Ibrahim Yildiz; Amnah AlYammahi; Fatma Obaidalla; Madeya AlMehairbi; Shahad AlKhajeh; Tethkar Al Qayed AlHammadi

doi:10.1007/s11356-017-0999-6

Adsorptive removal capacity of gravel for metal cations in the absence/presence of competitive adsorption

Banu Sizirici, Ibrahim Yildiz, Amnah AlYammahi, Fatma Obaidalla, Madeya AlMehairbi, Shahad AlKhajeh, Tethkar Al Qayed AlHammadi

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Locally available and low cost granular gravel as an adsorbent material was employed to determine its capacity to remove metal cations Cu(II), Fe(II), Ni(II), and Zn(II) from single metal solution and landfill leachate samples. Adsorption kinetics and mechanism under different parameters including dosage, time, and pH were studied. It was found that the experimental results fitted to the Freundlich model suggesting an adsorption process on a multilayer heterogeneous surface for both single metal solution and landfill leachate samples. The adsorption of metal cations followed second-order kinetics occurring in a single step on the surface of gravel. The order of removal efficiency of metals was found to be Cu(II)(98%) > Fe(II)(87.5%) > Zn(II)(76.05%) > Ni(II)(36.38%) in single metal solution and Cu(II)(98.3%) > Fe(II)(83%) > Zn(II)(48%) > Ni(II)(27.32%) in landfill leachate sample at pH 7. The regeneration efficiency of the metals adsorbed on the gravel resulted in the order of Fe(II)(99.54%) > Cu(II)(99%) > Ni(II)(49.46%) > Zn (II)(2.25%).

Original language	British English
Pages (from-to)	7530-7540
Number of pages	11
Journal	Environmental Science and Pollution Research
Volume	25
Issue number	8
DOIs	https://doi.org/10.1007/s11356-017-0999-6
State	Published - 1 Mar 2018

Keywords

Competitive adsorption
Gravel
Landfill leachate
Mixed metals
Single metal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s11356-017-0999-6

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title = "Adsorptive removal capacity of gravel for metal cations in the absence/presence of competitive adsorption",

abstract = "Locally available and low cost granular gravel as an adsorbent material was employed to determine its capacity to remove metal cations Cu(II), Fe(II), Ni(II), and Zn(II) from single metal solution and landfill leachate samples. Adsorption kinetics and mechanism under different parameters including dosage, time, and pH were studied. It was found that the experimental results fitted to the Freundlich model suggesting an adsorption process on a multilayer heterogeneous surface for both single metal solution and landfill leachate samples. The adsorption of metal cations followed second-order kinetics occurring in a single step on the surface of gravel. The order of removal efficiency of metals was found to be Cu(II)(98%) > Fe(II)(87.5%) > Zn(II)(76.05%) > Ni(II)(36.38%) in single metal solution and Cu(II)(98.3%) > Fe(II)(83%) > Zn(II)(48%) > Ni(II)(27.32%) in landfill leachate sample at pH 7. The regeneration efficiency of the metals adsorbed on the gravel resulted in the order of Fe(II)(99.54%) > Cu(II)(99%) > Ni(II)(49.46%) > Zn (II)(2.25%).",

keywords = "Competitive adsorption, Gravel, Landfill leachate, Mixed metals, Single metal",

author = "Banu Sizirici and Ibrahim Yildiz and Amnah AlYammahi and Fatma Obaidalla and Madeya AlMehairbi and Shahad AlKhajeh and AlHammadi, {Tethkar Al Qayed}",

note = "Funding Information: Funding information This study was funded by the Khalifa University KUIRF L1 210045 grant. Publisher Copyright: {\textcopyright} 2017, Springer-Verlag GmbH Germany, part of Springer Nature.",

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T1 - Adsorptive removal capacity of gravel for metal cations in the absence/presence of competitive adsorption

AU - Sizirici, Banu

AU - Yildiz, Ibrahim

AU - AlYammahi, Amnah

AU - Obaidalla, Fatma

AU - AlMehairbi, Madeya

AU - AlKhajeh, Shahad

AU - AlHammadi, Tethkar Al Qayed

PY - 2018/3/1

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N2 - Locally available and low cost granular gravel as an adsorbent material was employed to determine its capacity to remove metal cations Cu(II), Fe(II), Ni(II), and Zn(II) from single metal solution and landfill leachate samples. Adsorption kinetics and mechanism under different parameters including dosage, time, and pH were studied. It was found that the experimental results fitted to the Freundlich model suggesting an adsorption process on a multilayer heterogeneous surface for both single metal solution and landfill leachate samples. The adsorption of metal cations followed second-order kinetics occurring in a single step on the surface of gravel. The order of removal efficiency of metals was found to be Cu(II)(98%) > Fe(II)(87.5%) > Zn(II)(76.05%) > Ni(II)(36.38%) in single metal solution and Cu(II)(98.3%) > Fe(II)(83%) > Zn(II)(48%) > Ni(II)(27.32%) in landfill leachate sample at pH 7. The regeneration efficiency of the metals adsorbed on the gravel resulted in the order of Fe(II)(99.54%) > Cu(II)(99%) > Ni(II)(49.46%) > Zn (II)(2.25%).

AB - Locally available and low cost granular gravel as an adsorbent material was employed to determine its capacity to remove metal cations Cu(II), Fe(II), Ni(II), and Zn(II) from single metal solution and landfill leachate samples. Adsorption kinetics and mechanism under different parameters including dosage, time, and pH were studied. It was found that the experimental results fitted to the Freundlich model suggesting an adsorption process on a multilayer heterogeneous surface for both single metal solution and landfill leachate samples. The adsorption of metal cations followed second-order kinetics occurring in a single step on the surface of gravel. The order of removal efficiency of metals was found to be Cu(II)(98%) > Fe(II)(87.5%) > Zn(II)(76.05%) > Ni(II)(36.38%) in single metal solution and Cu(II)(98.3%) > Fe(II)(83%) > Zn(II)(48%) > Ni(II)(27.32%) in landfill leachate sample at pH 7. The regeneration efficiency of the metals adsorbed on the gravel resulted in the order of Fe(II)(99.54%) > Cu(II)(99%) > Ni(II)(49.46%) > Zn (II)(2.25%).

KW - Competitive adsorption

KW - Gravel

KW - Landfill leachate

KW - Mixed metals

KW - Single metal

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Adsorptive removal capacity of gravel for metal cations in the absence/presence of competitive adsorption

Abstract

Keywords

UN SDGs

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