Adsorption study of copper (II) by chemically modified orange peel.
Identifieur interne : 001E64 ( Main/Merge ); précédent : 001E63; suivant : 001E65Adsorption study of copper (II) by chemically modified orange peel.
Auteurs : Ningchuan Feng [République populaire de Chine] ; Xueyi Guo ; Sha LiangSource :
- Journal of hazardous materials [ 1873-3336 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Polymethacrylic Acids.
- chemical , isolation & purification : Water Pollutants.
- chemical : Copper.
- chemistry : Citrus sinensis.
- methods : Conservation of Natural Resources.
- Adsorption, Biomass, Kinetics, Static Electricity.
Abstract
An adsorbent, the chemically modified orange peel, was prepared from hydrolysis of the grafted copolymer, which was synthesized by interaction of methyl acrylate with cross-linking orange peel. The presence of poly (acrylic acid) on the biomass surface was verified by infrared spectroscopy (IR), scanning electron microscopy (SEM) and thermogravimetry (TG). Total negative charge in the biomass surface and the zeta potentials were determined. The modified biomass was found to present high adsorption capacity and fast adsorption rate for Cu (II). From Langmuir isotherm, the adsorption capacity for Cu (II) was 289.0 mg g(-1), which is about 6.5 times higher than that of the unmodified biomass. The kinetics for Cu (II) adsorption followed the pseudo-second-order kinetics. The adsorbent was used to remove Cu (II) from electroplating wastewater and was suitable for repeated use for more than four cycles.
DOI: 10.1016/j.jhazmat.2008.09.096
PubMed: 19081180
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pubmed:19081180Le document en format XML
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<author><name sortKey="Feng, Ningchuan" sort="Feng, Ningchuan" uniqKey="Feng N" first="Ningchuan" last="Feng">Ningchuan Feng</name>
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<author><name sortKey="Guo, Xueyi" sort="Guo, Xueyi" uniqKey="Guo X" first="Xueyi" last="Guo">Xueyi Guo</name>
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<author><name sortKey="Liang, Sha" sort="Liang, Sha" uniqKey="Liang S" first="Sha" last="Liang">Sha Liang</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Adsorption study of copper (II) by chemically modified orange peel.</title>
<author><name sortKey="Feng, Ningchuan" sort="Feng, Ningchuan" uniqKey="Feng N" first="Ningchuan" last="Feng">Ningchuan Feng</name>
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<series><title level="j">Journal of hazardous materials</title>
<idno type="eISSN">1873-3336</idno>
<imprint><date when="2009" type="published">2009</date>
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<term>Biomass</term>
<term>Citrus sinensis (chemistry)</term>
<term>Conservation of Natural Resources (methods)</term>
<term>Copper</term>
<term>Kinetics</term>
<term>Polymethacrylic Acids (chemistry)</term>
<term>Static Electricity</term>
<term>Water Pollutants (isolation & purification)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Polymethacrylic Acids</term>
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<keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Water Pollutants</term>
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<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Copper</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Conservation of Natural Resources</term>
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<keywords scheme="MESH" xml:lang="en"><term>Adsorption</term>
<term>Biomass</term>
<term>Kinetics</term>
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<front><div type="abstract" xml:lang="en">An adsorbent, the chemically modified orange peel, was prepared from hydrolysis of the grafted copolymer, which was synthesized by interaction of methyl acrylate with cross-linking orange peel. The presence of poly (acrylic acid) on the biomass surface was verified by infrared spectroscopy (IR), scanning electron microscopy (SEM) and thermogravimetry (TG). Total negative charge in the biomass surface and the zeta potentials were determined. The modified biomass was found to present high adsorption capacity and fast adsorption rate for Cu (II). From Langmuir isotherm, the adsorption capacity for Cu (II) was 289.0 mg g(-1), which is about 6.5 times higher than that of the unmodified biomass. The kinetics for Cu (II) adsorption followed the pseudo-second-order kinetics. The adsorbent was used to remove Cu (II) from electroplating wastewater and was suitable for repeated use for more than four cycles.</div>
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