Carboxymethyl cellulose thiol-imprinted polymers:Synthesis, characterization and selective Hg(Ⅱ) adsorption
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摘要
Sulfur containing ion imprinted polymers(S-IIPs) were applied for the uptake of Hg(Ⅱ) from aqueous solution. Cysteamine which was used as the ligand for Hg(Ⅱ) complexation, was grafted along the epichlorohydrin crosslinked carboxylated carboxymethyl cellulose polymer chain through an amide reaction. The adsorption ability of S-IIPs towards Hg(Ⅱ)was investigated by kinetic and isotherm models, which, corresponding, showed that the adsorption process followed a pseudo-second-order, fitted well with the Langmuir isotherm with a maximum adsorption capacity of 80 mg/g. Moreover, thermodynamic studies indicated an endothermic and spontaneous reaction with the tendency of an enhanced randomness at the surface of the S-IIPs with temperature increases. S-IIPs indicated a high degree of selectivity towards Hg(Ⅱ) in the presence of Cu~(2+), Zn~(2+), Co~(2+), Pb~(2+)and Cd~(2+).Furthermore, the efficiency of S-IIPs was also evaluated against real samples showing86.78%, 91.88%, and 99.10% recovery for Hg(Ⅱ) wastewater, ground water and tap water,respectively. In this study, the adsorbent was successfully regenerated for five cycles, which allows for their reuse without significant loss of initial adsorption capability.
Sulfur containing ion imprinted polymers(S-IIPs) were applied for the uptake of Hg(Ⅱ) from aqueous solution. Cysteamine which was used as the ligand for Hg(Ⅱ) complexation, was grafted along the epichlorohydrin crosslinked carboxylated carboxymethyl cellulose polymer chain through an amide reaction. The adsorption ability of S-IIPs towards Hg(Ⅱ)was investigated by kinetic and isotherm models, which, corresponding, showed that the adsorption process followed a pseudo-second-order, fitted well with the Langmuir isotherm with a maximum adsorption capacity of 80 mg/g. Moreover, thermodynamic studies indicated an endothermic and spontaneous reaction with the tendency of an enhanced randomness at the surface of the S-IIPs with temperature increases. S-IIPs indicated a high degree of selectivity towards Hg(Ⅱ) in the presence of Cu~(2+), Zn~(2+), Co~(2+), Pb~(2+)and Cd~(2+).Furthermore, the efficiency of S-IIPs was also evaluated against real samples showing86.78%, 91.88%, and 99.10% recovery for Hg(Ⅱ) wastewater, ground water and tap water,respectively. In this study, the adsorbent was successfully regenerated for five cycles, which allows for their reuse without significant loss of initial adsorption capability.
Sulfur containing ion imprinted polymers(S-IIPs) were applied for the uptake of Hg(Ⅱ) from aqueous solution. Cysteamine which was used as the ligand for Hg(Ⅱ) complexation, was grafted along the epichlorohydrin crosslinked carboxylated carboxymethyl cellulose polymer chain through an amide reaction. The adsorption ability of S-IIPs towards Hg(Ⅱ)was investigated by kinetic and isotherm models, which, corresponding, showed that the adsorption process followed a pseudo-second-order, fitted well with the Langmuir isotherm with a maximum adsorption capacity of 80 mg/g. Moreover, thermodynamic studies indicated an endothermic and spontaneous reaction with the tendency of an enhanced randomness at the surface of the S-IIPs with temperature increases. S-IIPs indicated a high degree of selectivity towards Hg(Ⅱ) in the presence of Cu~(2+), Zn~(2+), Co~(2+), Pb~(2+)and Cd~(2+).Furthermore, the efficiency of S-IIPs was also evaluated against real samples showing86.78%, 91.88%, and 99.10% recovery for Hg(Ⅱ) wastewater, ground water and tap water,respectively. In this study, the adsorbent was successfully regenerated for five cycles, which allows for their reuse without significant loss of initial adsorption capability.
引文
Ahamed,M.E.H.,Mbianda,X.Y.,Mulaba-Bafubiandi,A.F.,Marjanovic,L.,2013.Selective extraction of gold(III)from metal chloride mixtures using ion-imprinted polymer.Hydrometallurgy 140,1-13.
Anirudhan,T.S.,Senan,P.,Unnithan,M.R.,2007.Sorptive potential of a cationic exchange resin of carboxyl banana stem for mercury(II)from aqueous solutions.Sep.Purif.Technol.52,512-519.
Anirudhan,T.S.,Divya,L.,Ramachandran,M.,2008.Mercury(II)removal from aqueous solutions and wastewaters using a novel cation exchanger derived from coconut coir pith and its recovery.J.Hazard.Mater.157,620-627.
Aronson,J.K.,2016.Mercury and mercurial salts.Meyler's Side Effects of drugs 16th Edition,The International Encyclopedia of Adverse Drug Reactions and Interactions,pp.844-852.
Arshadi,M.,Khalafi-Nezhad,A.,Firouzabadi,H.,Abbaspourrad,A.,2017.Adsorption of mercury ions from wastewater by a hyperbranched and multi-functionalized dendrimer modified mixed-oxides nanoparticles.J.Colloid Interface Sci.505,293-306.
Attari,M.,Salman,S.,Kazemian,H.,Rohani,S.,2017.A low-cost adsorbent from coal fly ash for mercury removal from industrial wastewater.Biochem.Pharmacol.5,391-399.
Atalla,R.H.,Isogai,A.,2010.Celluloses.In:Liu,H.-W.,Mander,L.(Eds.),Comprehensive Natural Products II Chemistry and Biology.6.Elsevier,Oxford,pp.493-539.
Awual,R.,2017.Novel nanocomposite materials for efficient and selective mercury ions.Chem.Eng.J.307,456-465.
Behra,P.,Bonnissel-Gissinger,P.,Alnot,M.,Revel,R.,Ehrhardt,J.J.,Pasteur-Cnrs,L.,et al.,2001.XPS and XAS study of the sorption of Hg(II)onto pyrite.Langmuir 17,3970-3979.
Chaudhry,S.A.,Zaidi,Z.,Siddiqui,S.I.,2017.Isotherm,kinetic and thermodynamics of arsenic adsorption onto iron-zirconium binary oxide-coated sand(IZBOCS):modelling and process optimization.J.Mol.Liq.229,230-240.
Dakova,I.,Yordanova,T.,Karadjova,I.,2012.Nonchromatographic mercury speciation and determination in wine by new core-shell ion-imprinted sorbents.J.Hazard.Mater.231-232,49-56.
Das,R.,Giri,S.,Muliwa,A.M.,Maity,A.,2017.High-performance Hg(II)removal using thiol-functionalized polypyrrole(PPy/MAA)composite and effective catalytic activity of Hg(II)-adsorbed waste material.ACS Sustain.Chem.Eng.5,7524-7536.
Deb,A.K.S.,Dwivedi,V.,Dasgupta,K.,Musharaf,S.,Shenoy,K.S.,2017.Novel amidoamine functionalized multi-walled carbon nanotubes for removal of mercury(II)ions from wastewater:combined experimental and density functional theoretical approach.Chem.Eng.J.313,899-911.
Debnath,S.,Maity,A.,Pillay,K.,2014.Impact of process parameters on removal of Congo red by graphene oxide from aqueous solution.J.Environ.Chem.Eng.2,260-272.
El-Sheikh,M.A.,2016.A novel photo-grafting of acrylamide onto carboxymethyl starch.1.Utilization of CMS-g-PAAm in easy care finishing of cotton fabrics.Carbohydr.Polym.152,105-118.
Firouzzare,M.,Wang,Q.,2012.Synthesis and characterization of a high selective mercury(II)-imprinted polymer using novel aminothiol monomer.Talanta 101,261-266.
Fu,K.,Yao,M.,Qin,C.,Cheng,G.,Li,Y.,Cai,M.,2016.Study on the removal of oxidized mercury(Hg2+)from flue gas by thiol chelating resin.Fuel Process.Technol.148,28-34.
Ghodbane,I.,Hamdaoui,O.,2008.Removal of mercury(II)from aqueous media using eucalyptus bark:Kinetic and equilibrium studies.J.Hazard.Mater.160,301-309.
G?k,M.K.,Demir,K.,Cevher,E.,?zsoy,Y.,Cirit,U.,Bac?no,S.,?zgümüs,S.,Pabuccuo,S.,2017.The effects of the thiolation with thioglycolic acid and l-cysteine on the mucoadhesion properties of the starch-graft-poly(acrylic acid).Carbohydr.Polym.163,129-136.
Gong,Y.,Liu,Y.,Xiong,Z.,Zhao,D.,2014.Immobilization of mercury by carboxymethyl cellulose stabilized iron sulfide nanoparticles:reaction mechanisms and effects of stabilizer and water chemistry.Environ.Sci.Technol.48,3986-3994.
Hadi,P.,To,M,Hui,C.,Sze,C.,Lin,K.,Mc Kay,G.,2015.Aqueous mercury adsorption by activated carbons.Water Res.73,37-55.
Hande,P.E.,Kamble,S.,Samui,A.B.,Kulkarni,P.S.,2016.Chitosanbased lead ion-imprinted interpenetrating polymer network by simultaneous polymerization for selective extraction of lead(II).Ind.Eng.Chem.Res.55,3668-3678.
Huber,J.,Leopold,K.,2016.Nanomaterial-based strategies for enhanced mercury trace analysis in environmental and drinking waters.Trends Anal.Chem.80,280-292.
Khalid,M.,Abdulhakim,M.,Jassam,T.M.,Akib,S.,Ali,M.,2017a.Novel deep eutectic solvent-functionalized carbon nanotubes adsorbent for mercury removal from water.J.Colloid Interface Sci.497,413-421.
Khalid,M.,Abdulhakim,M.,Hayyan,M.,Akib,S.,Ibrahim,M.,Ali,M.,2017b.Allyl triphenyl phosphonium bromide based DES-functionalized carbon nanotubes for the removal of mercury from water.Chemosphere 167,44-52.
Koley,P.,Sakurai,M.,Aono,M.,2016.Controlled fabrication of silk protein sericin mediated hierarchical hybrid flowers and their excellent adsorption capability of heavy metal ions of Pb(II),Cd(II)and Hg(II).ACS Appl.Mater.Interfaces 8,2380-2392.
Kumar,A.S.K.,Jiang,S.,2014.Preparation and characterization of exfoliated graphene oxide-L-cystine as an effective adsorbent of Hg(II)adsorption.RSC Adv.5,6294-6304.
Kumar,R.,Mudhoo,A.,Lofrano,G.,Chandra,M.,2014.Biomassderived biosorbents for metal ions sequestration:Adsorbent modification and activation methods and adsorbent regeneration.J.Environ.Chem.Eng.2,239-259.
Lenoble,V.,Laatikainen,K.,Garnier,C.,Angeletti,B.,Coulomb,B.,Sainio,T.,et al.,2016.Nickel retention by an ion-imprinted polymer:wide-range selectivity study and modelling of the binding structures.Chem.Eng.J.304,20-28.
Lin,R.,Li,A.,Lu,L.,Cao,Y.,2015.Preparation of bulk sodium carboxymethyl cellulose aerogels with tunable morphology.Carbohydr.Polym.118,126-132.
Lu,D.,Zhang,G.,Wan,Z.,2015.Applied Surface Science for organic pollutant degradation and Cr(VI)reduction.Appl.Surf.Sci.358,223-230.
Luong,N.D.,Sinh,H.,Johansson,L.,Campell,J.,2015.Functional graphene by thiolene click chemistry.Chem.Eur.J.21,3183-3186.
Mafu,L.D.,Msagati,T.A.M.,Mamba,B.B.,2013.Ion-imprinted polymers for environmental monitoring of inorganic pollutants:synthesis,characterization,and applications.Environ.Sci.Pollut.Res.20,790-802.
Marley,N.A.,2014.In-depth review of atmospheric mercury:sources,transformations,and potential sinks.Ener.Emm.Control Technol.2,1-21.
Meouche,W.,Laatikainen,K.,Margaillan,A.,Silvonen,T.,Siren,H.,Sainio,T.,et al.,2017.Effect of porogen solvent on the properties of nickel ion imprinted polymer materials prepared by inverse suspension polymerization.Eur.Polym.J.87,124-135.
Monier,M.,2013a.Synthesis and characterization of ionimprinted chelating fibers based on PET for selective removal of Hg2+.Chem.Eng.J.221,452-460.
Monier,M.,2013b.Synthesis and characterization of ionimprinted resin based on carboxymethyl cellulose for selective removal of UO22+.Carbohydr.Polym.97,743-752.
Monier,M.,Kenawy,I.M.,Hashem,M.A.,2014.Synthesis and characterization of selective thiourea modified Hg(II)ionimprinted cellulosic cotton fibers.Carbohydr.Polym.106,49-59.
Monier,M.,Abdel-Latif,D.A.,Ji,H.F.,2016.Synthesis and application of photo-active carboxymethyl cellulose derivatives.React.Funct.Polym.102,137-146.
Parashar,K.,Ballav,N.,Debnath,S.,Pillay,K.,Maity,A.,2016.Rapid and efficient removal of fluoride ions from aqueous solution using a polypyrrole coated hydrous tin oxide nanocomposite.J.Colloid Interface Sci.476,103-118.
Pillay,K.,Cukrowska,E.M.,Coville,N.J.,2013.Improved uptake of mercury by sulphur-containing carbon nanotubes.Microchem.J.108,124-130.
Punrat,E.,Chuanuwatanakul,S.,Kaneta,T.,Motomizu,S.,2014.Method development for the determination of mercury(II)by sequential injection/anodic stripping voltammetry using an in situ gold-film screen-printed carbon electrode.J.Electroanal.Chem.727,78-83.
Reilly,S.B.,Schierl,R.,Nowak,D.,Siebert,U.,Frederick,J.,Teorgi,F.,et al.,2016.A preliminary study on health effects in villagers exposed to mercury in a small-scale artisanal gold mining area in Indonesia.Environ.Res.149,274-281.
Roy,E.,Patra,S.,Tiwari,A.,Madhuri,R.,Sharma,P.K.,2017.Introduction of selectivity and specificity to graphene using an inimitable combination of molecular imprinting and nanotechnology.Biosens.Bioelectron.89,234-248.
Saha,D.,Barakat,S.,Van Bramer,S.E.,Nelson,K.A.,Hensley,D.K.,Chen,J.,2016.Noncompetitive and competitive adsorption of heavy metals in sulfur functionalized ordered mesoporous carbon.ACS Appl.Mater.Interfaces 8,34132-34142.
Tolba,A.A.,Mohamady,S.I.,Hussin,S.S.,Akashi,T.,Sakai,Y.,Galhoum,A.A.,et al.,2017.Synthesis and characterization of poly(carboxymethyl)-cellulose for enhanced La(III)sorption.Carbohydr.Polym.157,1809-1820.
Wang,X.S.,Li,Z.Z.,Tao,S.R.,2009.Removal of chromium(VI)from aqueous solution using walnut hull.J.Environ.Manag.90,721-729.
Wang,J.,Wei,J.,Li,J.,2016.Straw-supported ion imprinted polymer sorbent prepared by surface imprinting technique combined with AGET ATRP for selective adsorption of La3+ions.Chem.Eng.J.293,24-33.
Yang,R.,Aubrecht,K.B.,Ma,H.,Wang,R.,Grubbs,R.B.,Hsiao,B.S.,et al.,2014.Thiol-modified cellulose nanofibrous composite membranes for chromium(VI)and lead(II)adsorption.Polymer55,1167-1176.
Yari,M.,Rajabi,M.,Moradi,O.,Yari,A.,Asif,M.,Agarwal,S.,et al.,2015.Kinetics of the adsorption of Pb(II)ions from aqueous solutions by graphene oxide and thiol functionalized graphene oxide.J.Mol.Liq.209,50-57.
Yu,M.,Li,J.,Wang,L.,2017.KOH-activated carbon aerogels derived from sodium carboxymethyl cellulose for highperformance supercapacitors and dye adsorption.Chem.Eng.J.310,300-306.
Zeng,G.,Zhang,L.,Dong,H.,Chen,Y.,Zhang,J.,Zhu,Y.,et al.,2018.Pathway and mechanism of nitrogen transformation during composting:functional enzymes and genes under different concentrations of PVP-Ag NPs.Bioresour.Technol.253,112-120.
Zhang,X.,Wu,T.,Zhang,Y.,Ng,D.H.L.,Zhao,H.,Wang,G.,2015.Adsorption of Hg2+by thiol functionalized hollow mesoporous silica microspheres with magnetic cores.RSC Adv.5,51446-51453.
Zhang,Q.,Wu,J.,Luo,X.,2016.Facile preparation of a novel Hg(II)-ion-imprinted polymer based on magnetic hybrids for rapid and highly selective removal of Hg(II)from aqueous.RSC Adv.6,14916-14926.
Zhang,L.,Zeng,G.,Dong,H.,Chen,Y.,Zhang,J.,Yan,M.,et al.,2017.The impact of silver nanoparticles on the co-composting of sewagesludge and agricultural waste:Evolutions of organic matter and nitrogen.Bioresour.Technol.230,132-139.
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Zhu,F.,Li,L.,Xing,J.,2017.Selective adsorption behaviour of Cd(II)ion imprinted polymers synthesized by microwave-assisted inverse emulsion polymerization:Adsorption performance and mechanism.J.Hazard.Mater.321,103-110.
Zhu,C.,Hu,T.,Tang,L.,Zeng,G.,Deng,Y.,Lu,Y.,et al.,2018.Highly efficient extraction of lead ions from smelting wastewater,slag and contaminated soil by two-dimensional montmorillonite-based surface ion imprinted polymer absorbent.Chemosphere 209,246-257.
Anirudhan,T.S.,Senan,P.,Unnithan,M.R.,2007.Sorptive potential of a cationic exchange resin of carboxyl banana stem for mercury(II)from aqueous solutions.Sep.Purif.Technol.52,512-519.
Anirudhan,T.S.,Divya,L.,Ramachandran,M.,2008.Mercury(II)removal from aqueous solutions and wastewaters using a novel cation exchanger derived from coconut coir pith and its recovery.J.Hazard.Mater.157,620-627.
Aronson,J.K.,2016.Mercury and mercurial salts.Meyler's Side Effects of drugs 16th Edition,The International Encyclopedia of Adverse Drug Reactions and Interactions,pp.844-852.
Arshadi,M.,Khalafi-Nezhad,A.,Firouzabadi,H.,Abbaspourrad,A.,2017.Adsorption of mercury ions from wastewater by a hyperbranched and multi-functionalized dendrimer modified mixed-oxides nanoparticles.J.Colloid Interface Sci.505,293-306.
Attari,M.,Salman,S.,Kazemian,H.,Rohani,S.,2017.A low-cost adsorbent from coal fly ash for mercury removal from industrial wastewater.Biochem.Pharmacol.5,391-399.
Atalla,R.H.,Isogai,A.,2010.Celluloses.In:Liu,H.-W.,Mander,L.(Eds.),Comprehensive Natural Products II Chemistry and Biology.6.Elsevier,Oxford,pp.493-539.
Awual,R.,2017.Novel nanocomposite materials for efficient and selective mercury ions.Chem.Eng.J.307,456-465.
Behra,P.,Bonnissel-Gissinger,P.,Alnot,M.,Revel,R.,Ehrhardt,J.J.,Pasteur-Cnrs,L.,et al.,2001.XPS and XAS study of the sorption of Hg(II)onto pyrite.Langmuir 17,3970-3979.
Chaudhry,S.A.,Zaidi,Z.,Siddiqui,S.I.,2017.Isotherm,kinetic and thermodynamics of arsenic adsorption onto iron-zirconium binary oxide-coated sand(IZBOCS):modelling and process optimization.J.Mol.Liq.229,230-240.
Dakova,I.,Yordanova,T.,Karadjova,I.,2012.Nonchromatographic mercury speciation and determination in wine by new core-shell ion-imprinted sorbents.J.Hazard.Mater.231-232,49-56.
Das,R.,Giri,S.,Muliwa,A.M.,Maity,A.,2017.High-performance Hg(II)removal using thiol-functionalized polypyrrole(PPy/MAA)composite and effective catalytic activity of Hg(II)-adsorbed waste material.ACS Sustain.Chem.Eng.5,7524-7536.
Deb,A.K.S.,Dwivedi,V.,Dasgupta,K.,Musharaf,S.,Shenoy,K.S.,2017.Novel amidoamine functionalized multi-walled carbon nanotubes for removal of mercury(II)ions from wastewater:combined experimental and density functional theoretical approach.Chem.Eng.J.313,899-911.
Debnath,S.,Maity,A.,Pillay,K.,2014.Impact of process parameters on removal of Congo red by graphene oxide from aqueous solution.J.Environ.Chem.Eng.2,260-272.
El-Sheikh,M.A.,2016.A novel photo-grafting of acrylamide onto carboxymethyl starch.1.Utilization of CMS-g-PAAm in easy care finishing of cotton fabrics.Carbohydr.Polym.152,105-118.
Firouzzare,M.,Wang,Q.,2012.Synthesis and characterization of a high selective mercury(II)-imprinted polymer using novel aminothiol monomer.Talanta 101,261-266.
Fu,K.,Yao,M.,Qin,C.,Cheng,G.,Li,Y.,Cai,M.,2016.Study on the removal of oxidized mercury(Hg2+)from flue gas by thiol chelating resin.Fuel Process.Technol.148,28-34.
Ghodbane,I.,Hamdaoui,O.,2008.Removal of mercury(II)from aqueous media using eucalyptus bark:Kinetic and equilibrium studies.J.Hazard.Mater.160,301-309.
G?k,M.K.,Demir,K.,Cevher,E.,?zsoy,Y.,Cirit,U.,Bac?no,S.,?zgümüs,S.,Pabuccuo,S.,2017.The effects of the thiolation with thioglycolic acid and l-cysteine on the mucoadhesion properties of the starch-graft-poly(acrylic acid).Carbohydr.Polym.163,129-136.
Gong,Y.,Liu,Y.,Xiong,Z.,Zhao,D.,2014.Immobilization of mercury by carboxymethyl cellulose stabilized iron sulfide nanoparticles:reaction mechanisms and effects of stabilizer and water chemistry.Environ.Sci.Technol.48,3986-3994.
Hadi,P.,To,M,Hui,C.,Sze,C.,Lin,K.,Mc Kay,G.,2015.Aqueous mercury adsorption by activated carbons.Water Res.73,37-55.
Hande,P.E.,Kamble,S.,Samui,A.B.,Kulkarni,P.S.,2016.Chitosanbased lead ion-imprinted interpenetrating polymer network by simultaneous polymerization for selective extraction of lead(II).Ind.Eng.Chem.Res.55,3668-3678.
Huber,J.,Leopold,K.,2016.Nanomaterial-based strategies for enhanced mercury trace analysis in environmental and drinking waters.Trends Anal.Chem.80,280-292.
Khalid,M.,Abdulhakim,M.,Jassam,T.M.,Akib,S.,Ali,M.,2017a.Novel deep eutectic solvent-functionalized carbon nanotubes adsorbent for mercury removal from water.J.Colloid Interface Sci.497,413-421.
Khalid,M.,Abdulhakim,M.,Hayyan,M.,Akib,S.,Ibrahim,M.,Ali,M.,2017b.Allyl triphenyl phosphonium bromide based DES-functionalized carbon nanotubes for the removal of mercury from water.Chemosphere 167,44-52.
Koley,P.,Sakurai,M.,Aono,M.,2016.Controlled fabrication of silk protein sericin mediated hierarchical hybrid flowers and their excellent adsorption capability of heavy metal ions of Pb(II),Cd(II)and Hg(II).ACS Appl.Mater.Interfaces 8,2380-2392.
Kumar,A.S.K.,Jiang,S.,2014.Preparation and characterization of exfoliated graphene oxide-L-cystine as an effective adsorbent of Hg(II)adsorption.RSC Adv.5,6294-6304.
Kumar,R.,Mudhoo,A.,Lofrano,G.,Chandra,M.,2014.Biomassderived biosorbents for metal ions sequestration:Adsorbent modification and activation methods and adsorbent regeneration.J.Environ.Chem.Eng.2,239-259.
Lenoble,V.,Laatikainen,K.,Garnier,C.,Angeletti,B.,Coulomb,B.,Sainio,T.,et al.,2016.Nickel retention by an ion-imprinted polymer:wide-range selectivity study and modelling of the binding structures.Chem.Eng.J.304,20-28.
Lin,R.,Li,A.,Lu,L.,Cao,Y.,2015.Preparation of bulk sodium carboxymethyl cellulose aerogels with tunable morphology.Carbohydr.Polym.118,126-132.
Lu,D.,Zhang,G.,Wan,Z.,2015.Applied Surface Science for organic pollutant degradation and Cr(VI)reduction.Appl.Surf.Sci.358,223-230.
Luong,N.D.,Sinh,H.,Johansson,L.,Campell,J.,2015.Functional graphene by thiolene click chemistry.Chem.Eur.J.21,3183-3186.
Mafu,L.D.,Msagati,T.A.M.,Mamba,B.B.,2013.Ion-imprinted polymers for environmental monitoring of inorganic pollutants:synthesis,characterization,and applications.Environ.Sci.Pollut.Res.20,790-802.
Marley,N.A.,2014.In-depth review of atmospheric mercury:sources,transformations,and potential sinks.Ener.Emm.Control Technol.2,1-21.
Meouche,W.,Laatikainen,K.,Margaillan,A.,Silvonen,T.,Siren,H.,Sainio,T.,et al.,2017.Effect of porogen solvent on the properties of nickel ion imprinted polymer materials prepared by inverse suspension polymerization.Eur.Polym.J.87,124-135.
Monier,M.,2013a.Synthesis and characterization of ionimprinted chelating fibers based on PET for selective removal of Hg2+.Chem.Eng.J.221,452-460.
Monier,M.,2013b.Synthesis and characterization of ionimprinted resin based on carboxymethyl cellulose for selective removal of UO22+.Carbohydr.Polym.97,743-752.
Monier,M.,Kenawy,I.M.,Hashem,M.A.,2014.Synthesis and characterization of selective thiourea modified Hg(II)ionimprinted cellulosic cotton fibers.Carbohydr.Polym.106,49-59.
Monier,M.,Abdel-Latif,D.A.,Ji,H.F.,2016.Synthesis and application of photo-active carboxymethyl cellulose derivatives.React.Funct.Polym.102,137-146.
Parashar,K.,Ballav,N.,Debnath,S.,Pillay,K.,Maity,A.,2016.Rapid and efficient removal of fluoride ions from aqueous solution using a polypyrrole coated hydrous tin oxide nanocomposite.J.Colloid Interface Sci.476,103-118.
Pillay,K.,Cukrowska,E.M.,Coville,N.J.,2013.Improved uptake of mercury by sulphur-containing carbon nanotubes.Microchem.J.108,124-130.
Punrat,E.,Chuanuwatanakul,S.,Kaneta,T.,Motomizu,S.,2014.Method development for the determination of mercury(II)by sequential injection/anodic stripping voltammetry using an in situ gold-film screen-printed carbon electrode.J.Electroanal.Chem.727,78-83.
Reilly,S.B.,Schierl,R.,Nowak,D.,Siebert,U.,Frederick,J.,Teorgi,F.,et al.,2016.A preliminary study on health effects in villagers exposed to mercury in a small-scale artisanal gold mining area in Indonesia.Environ.Res.149,274-281.
Roy,E.,Patra,S.,Tiwari,A.,Madhuri,R.,Sharma,P.K.,2017.Introduction of selectivity and specificity to graphene using an inimitable combination of molecular imprinting and nanotechnology.Biosens.Bioelectron.89,234-248.
Saha,D.,Barakat,S.,Van Bramer,S.E.,Nelson,K.A.,Hensley,D.K.,Chen,J.,2016.Noncompetitive and competitive adsorption of heavy metals in sulfur functionalized ordered mesoporous carbon.ACS Appl.Mater.Interfaces 8,34132-34142.
Tolba,A.A.,Mohamady,S.I.,Hussin,S.S.,Akashi,T.,Sakai,Y.,Galhoum,A.A.,et al.,2017.Synthesis and characterization of poly(carboxymethyl)-cellulose for enhanced La(III)sorption.Carbohydr.Polym.157,1809-1820.
Wang,X.S.,Li,Z.Z.,Tao,S.R.,2009.Removal of chromium(VI)from aqueous solution using walnut hull.J.Environ.Manag.90,721-729.
Wang,J.,Wei,J.,Li,J.,2016.Straw-supported ion imprinted polymer sorbent prepared by surface imprinting technique combined with AGET ATRP for selective adsorption of La3+ions.Chem.Eng.J.293,24-33.
Yang,R.,Aubrecht,K.B.,Ma,H.,Wang,R.,Grubbs,R.B.,Hsiao,B.S.,et al.,2014.Thiol-modified cellulose nanofibrous composite membranes for chromium(VI)and lead(II)adsorption.Polymer55,1167-1176.
Yari,M.,Rajabi,M.,Moradi,O.,Yari,A.,Asif,M.,Agarwal,S.,et al.,2015.Kinetics of the adsorption of Pb(II)ions from aqueous solutions by graphene oxide and thiol functionalized graphene oxide.J.Mol.Liq.209,50-57.
Yu,M.,Li,J.,Wang,L.,2017.KOH-activated carbon aerogels derived from sodium carboxymethyl cellulose for highperformance supercapacitors and dye adsorption.Chem.Eng.J.310,300-306.
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