Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions.
Identifieur interne : 000E98 ( Main/Exploration ); précédent : 000E97; suivant : 000E99Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions.
Auteurs : Mingdeng Liu [République populaire de Chine] ; Qunhui Yuan ; Hanzhong Jia ; Shouzhu Li ; Xiaohuan Wang ; Chuanyi WangSource :
- Water science and technology : a journal of the International Association on Water Pollution Research [ 0273-1223 ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Copper, Cysteine, Polyamines, Water Pollutants, Chemical.
- methods : Waste Disposal, Fluid.
- Adsorption, Citrus sinensis, Fruit, Hydrogen-Ion Concentration, Kinetics, Solutions.
Abstract
In the present work, cysteine-modified orange peel (COP) for the removal of Cu(II) from aqueous solutions has been developed and comparatively studied with diethylenetriamine-modified orange peel (DOP). Both COP and DOP were systematically evaluated via their capabilities for adsorbing Cu(II), including the key influential parameters such as initial pH, contact time and initial Cu(II) concentration. Further studies suggest that the sorption of Cu(II) onto both COP and DOP fits well with the pseudo-second-order equation, and the corresponding sorption isotherm can be classified to a Langmuir isotherm model. COP appears more advantageous over DOP and far better than that of unmodified OP in removal of Cu(II) from aqueous system. The maximum capacities of COP and DOP for adsorbing Cu(II) are 95.23 and 83.68 mg/g, respectively, about three times higher than that of unmodified OP. The sorption efficiency of COP drops by merely about 3% after five cycles, implying a promising usage in the removal of Cu(II) from wastewater in practice.
DOI: 10.2166/wst.2013.136
PubMed: 23752375
Affiliations:
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Le document en format XML
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last="Yuan">Qunhui Yuan</name></author><author><name sortKey="Jia, Hanzhong" sort="Jia, Hanzhong" uniqKey="Jia H" first="Hanzhong" last="Jia">Hanzhong Jia</name></author><author><name sortKey="Li, Shouzhu" sort="Li, Shouzhu" uniqKey="Li S" first="Shouzhu" last="Li">Shouzhu Li</name></author><author><name sortKey="Wang, Xiaohuan" sort="Wang, Xiaohuan" uniqKey="Wang X" first="Xiaohuan" last="Wang">Xiaohuan Wang</name></author><author><name sortKey="Wang, Chuanyi" sort="Wang, Chuanyi" uniqKey="Wang C" first="Chuanyi" last="Wang">Chuanyi Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23752375</idno><idno type="pmid">23752375</idno><idno type="doi">10.2166/wst.2013.136</idno><idno type="wicri:Area/PubMed/Corpus">000528</idno><idno type="wicri:Area/PubMed/Curation">000528</idno><idno type="wicri:Area/PubMed/Checkpoint">000528</idno><idno type="wicri:Area/Ncbi/Merge">001314</idno><idno 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Technology LEMST, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Road, Urumqi, Xinjiang 830011</wicri:regionArea><wicri:noRegion>Xinjiang 830011</wicri:noRegion></affiliation></author><author><name sortKey="Yuan, Qunhui" sort="Yuan, Qunhui" uniqKey="Yuan Q" first="Qunhui" last="Yuan">Qunhui Yuan</name></author><author><name sortKey="Jia, Hanzhong" sort="Jia, Hanzhong" uniqKey="Jia H" first="Hanzhong" last="Jia">Hanzhong Jia</name></author><author><name sortKey="Li, Shouzhu" sort="Li, Shouzhu" uniqKey="Li S" first="Shouzhu" last="Li">Shouzhu Li</name></author><author><name sortKey="Wang, Xiaohuan" sort="Wang, Xiaohuan" uniqKey="Wang X" first="Xiaohuan" last="Wang">Xiaohuan Wang</name></author><author><name sortKey="Wang, Chuanyi" sort="Wang, Chuanyi" uniqKey="Wang C" first="Chuanyi" last="Wang">Chuanyi Wang</name></author></analytic><series><title level="j">Water science and technology : a journal of the International Association on Water Pollution Research</title><idno type="ISSN">0273-1223</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption</term><term>Citrus sinensis</term><term>Copper (chemistry)</term><term>Cysteine (chemistry)</term><term>Fruit</term><term>Hydrogen-Ion Concentration</term><term>Kinetics</term><term>Polyamines (chemistry)</term><term>Solutions</term><term>Waste Disposal, Fluid (methods)</term><term>Water Pollutants, Chemical (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Copper</term><term>Cysteine</term><term>Polyamines</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Waste Disposal, Fluid</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Citrus sinensis</term><term>Fruit</term><term>Hydrogen-Ion Concentration</term><term>Kinetics</term><term>Solutions</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the present work, cysteine-modified orange peel (COP) for the removal of Cu(II) from aqueous solutions has been developed and comparatively studied with diethylenetriamine-modified orange peel (DOP). Both COP and DOP were systematically evaluated via their capabilities for adsorbing Cu(II), including the key influential parameters such as initial pH, contact time and initial Cu(II) concentration. Further studies suggest that the sorption of Cu(II) onto both COP and DOP fits well with the pseudo-second-order equation, and the corresponding sorption isotherm can be classified to a Langmuir isotherm model. COP appears more advantageous over DOP and far better than that of unmodified OP in removal of Cu(II) from aqueous system. The maximum capacities of COP and DOP for adsorbing Cu(II) are 95.23 and 83.68 mg/g, respectively, about three times higher than that of unmodified OP. The sorption efficiency of COP drops by merely about 3% after five cycles, implying a promising usage in the removal of Cu(II) from wastewater in practice.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Jia, Hanzhong" sort="Jia, Hanzhong" uniqKey="Jia H" first="Hanzhong" last="Jia">Hanzhong Jia</name><name sortKey="Li, Shouzhu" sort="Li, Shouzhu" uniqKey="Li S" first="Shouzhu" last="Li">Shouzhu Li</name><name sortKey="Wang, Chuanyi" sort="Wang, Chuanyi" uniqKey="Wang C" first="Chuanyi" last="Wang">Chuanyi Wang</name><name sortKey="Wang, Xiaohuan" sort="Wang, Xiaohuan" uniqKey="Wang X" first="Xiaohuan" last="Wang">Xiaohuan Wang</name><name sortKey="Yuan, Qunhui" sort="Yuan, Qunhui" uniqKey="Yuan Q" first="Qunhui" last="Yuan">Qunhui Yuan</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Liu, Mingdeng" sort="Liu, Mingdeng" uniqKey="Liu M" first="Mingdeng" last="Liu">Mingdeng Liu</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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