Fabrication of xanthate-modified chitosan/poly(N-isopropylacrylamide) composite hydrogel for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions
[Display omitted] •X-CS/NIPAAm composite hydrogel was fabricated as a good adsorbent for adsorption of Cu(II), Pb(II) and Ni(II).•The adsorption data fitted well to Langmuir model and the adsorption kinetics followed the pseudo-second order model.•Thermodynamics indicated the adsorption was an exoth...
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| Veröffentlicht in: | Chemical engineering research & design 2018-11, Vol.139, p.197-210 |
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| container_title | Chemical engineering research & design |
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| creator | Wu, Shuping Wang, Fan Yuan, Haikuan Zhang, Lijuan Mao, Shimin Liu, Xijian Alharbi, Njud S. Rohani, Sohrab Lu, Jie |
| description | [Display omitted]
•X-CS/NIPAAm composite hydrogel was fabricated as a good adsorbent for adsorption of Cu(II), Pb(II) and Ni(II).•The adsorption data fitted well to Langmuir model and the adsorption kinetics followed the pseudo-second order model.•Thermodynamics indicated the adsorption was an exothermic and spontaneous process.•X-CS/NIPAAm could be reused and regenerated at least five recycles.
A novel xanthate-modified chitosan/poly(N-isopropylacrylamide) (X-CS/NIPAAm) composite hydrogel was fabricated by a facile two-step method for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions from aqueous solutions. The equilibrium adsorption data fitted well to the Langmuir model and the adsorption kinetic data followed the pseudo-second-order model. The maximum equilibrium adsorption capacities of composite hydrogel to Cu(II), Pb(II) and Ni(II) at 293K were about 115.1, 172.0 and 66.9mgg−1, respectively. The thermodynamics parameters showed that the adsorption processes to Cu(II), Pb(II) and Ni(II) were spontaneous and exothermic. The interactions between metal ions for multi-components systems were evaluated by the values of Qb/Qs and Qt/Qs. The adsorption mechanism was analyzed by XPS spectra and the Hard–Soft, Acids–Bases (HSAB) theory. The X-CS/NIPAAm composite hydrogel could be regenerated and repeatedly utilized at least five cycles without obvious adsorption capacity loss. |
| doi_str_mv | 10.1016/j.cherd.2018.09.035 |
| format | Article |
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•X-CS/NIPAAm composite hydrogel was fabricated as a good adsorbent for adsorption of Cu(II), Pb(II) and Ni(II).•The adsorption data fitted well to Langmuir model and the adsorption kinetics followed the pseudo-second order model.•Thermodynamics indicated the adsorption was an exothermic and spontaneous process.•X-CS/NIPAAm could be reused and regenerated at least five recycles.
A novel xanthate-modified chitosan/poly(N-isopropylacrylamide) (X-CS/NIPAAm) composite hydrogel was fabricated by a facile two-step method for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions from aqueous solutions. The equilibrium adsorption data fitted well to the Langmuir model and the adsorption kinetic data followed the pseudo-second-order model. The maximum equilibrium adsorption capacities of composite hydrogel to Cu(II), Pb(II) and Ni(II) at 293K were about 115.1, 172.0 and 66.9mgg−1, respectively. The thermodynamics parameters showed that the adsorption processes to Cu(II), Pb(II) and Ni(II) were spontaneous and exothermic. The interactions between metal ions for multi-components systems were evaluated by the values of Qb/Qs and Qt/Qs. The adsorption mechanism was analyzed by XPS spectra and the Hard–Soft, Acids–Bases (HSAB) theory. The X-CS/NIPAAm composite hydrogel could be regenerated and repeatedly utilized at least five cycles without obvious adsorption capacity loss.</description><identifier>ISSN: 0263-8762</identifier><identifier>EISSN: 1744-3563</identifier><identifier>DOI: 10.1016/j.cherd.2018.09.035</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Adsorption ; Adsorption isotherm ; Aqueous solutions ; Chitosan ; Copper ; Equilibrium ; Hydrogels ; Isopropylacrylamide ; Kinetics ; Lead ; Metal ions ; Nickel ; Selective adsorption ; Systems analysis ; Thermodynamics ; X ray photoelectron spectroscopy ; X-CS/NIPAAm composite</subject><ispartof>Chemical engineering research & design, 2018-11, Vol.139, p.197-210</ispartof><rights>2018 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. Nov 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-67b889e924a5d8ee4bcf0d47f424f9c5327929c167f88693ebf2192f743057693</citedby><cites>FETCH-LOGICAL-c397t-67b889e924a5d8ee4bcf0d47f424f9c5327929c167f88693ebf2192f743057693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.cherd.2018.09.035$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Wu, Shuping</creatorcontrib><creatorcontrib>Wang, Fan</creatorcontrib><creatorcontrib>Yuan, Haikuan</creatorcontrib><creatorcontrib>Zhang, Lijuan</creatorcontrib><creatorcontrib>Mao, Shimin</creatorcontrib><creatorcontrib>Liu, Xijian</creatorcontrib><creatorcontrib>Alharbi, Njud S.</creatorcontrib><creatorcontrib>Rohani, Sohrab</creatorcontrib><creatorcontrib>Lu, Jie</creatorcontrib><title>Fabrication of xanthate-modified chitosan/poly(N-isopropylacrylamide) composite hydrogel for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions</title><title>Chemical engineering research & design</title><description>[Display omitted]
•X-CS/NIPAAm composite hydrogel was fabricated as a good adsorbent for adsorption of Cu(II), Pb(II) and Ni(II).•The adsorption data fitted well to Langmuir model and the adsorption kinetics followed the pseudo-second order model.•Thermodynamics indicated the adsorption was an exothermic and spontaneous process.•X-CS/NIPAAm could be reused and regenerated at least five recycles.
A novel xanthate-modified chitosan/poly(N-isopropylacrylamide) (X-CS/NIPAAm) composite hydrogel was fabricated by a facile two-step method for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions from aqueous solutions. The equilibrium adsorption data fitted well to the Langmuir model and the adsorption kinetic data followed the pseudo-second-order model. The maximum equilibrium adsorption capacities of composite hydrogel to Cu(II), Pb(II) and Ni(II) at 293K were about 115.1, 172.0 and 66.9mgg−1, respectively. The thermodynamics parameters showed that the adsorption processes to Cu(II), Pb(II) and Ni(II) were spontaneous and exothermic. The interactions between metal ions for multi-components systems were evaluated by the values of Qb/Qs and Qt/Qs. The adsorption mechanism was analyzed by XPS spectra and the Hard–Soft, Acids–Bases (HSAB) theory. The X-CS/NIPAAm composite hydrogel could be regenerated and repeatedly utilized at least five cycles without obvious adsorption capacity loss.</description><subject>Adsorption</subject><subject>Adsorption isotherm</subject><subject>Aqueous solutions</subject><subject>Chitosan</subject><subject>Copper</subject><subject>Equilibrium</subject><subject>Hydrogels</subject><subject>Isopropylacrylamide</subject><subject>Kinetics</subject><subject>Lead</subject><subject>Metal ions</subject><subject>Nickel</subject><subject>Selective adsorption</subject><subject>Systems analysis</subject><subject>Thermodynamics</subject><subject>X ray photoelectron spectroscopy</subject><subject>X-CS/NIPAAm composite</subject><issn>0263-8762</issn><issn>1744-3563</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9UU1v1DAQjRBILIVfwMUSl1Yiqb8SxwcOaNXSlarCAc6WY4-JV0kcbG_V_TH8V7xduHKZGc28N08zr6reE9wQTLrrfWNGiLahmPQNlg1m7YtqQwTnNWs79rLaYNqxuhcdfV29SWmPMS7TflP9vtVD9EZnHxYUHHrSSx51hnoO1jsPFpnR55D0cr2G6Xj5UPsU1hjW46RNLGH2Fq6QCfMaks-AxqON4SdMyIWI8ggowQQm-0dA2qYQ139K28Plbnf1EX0bThnpxaIH_1zOkPWECiy9rV45PSV49zdfVD9ub75v7-r7r19228_3tWFS5LoTQ99LkJTr1vYAfDAOWy4cp9xJ0zIqJJWGdML1fScZDI4SSZ3gDLeiNC6qD-e95bJfB0hZ7cMhLkVSUdIK3omOs4JiZ5SJIaUITq3RzzoeFcHq5IPaq2cf1MkHhaUqPhTWpzMLygGPHqJKxsNiwPpYHqNs8P_l_wEfKJKr</recordid><startdate>201811</startdate><enddate>201811</enddate><creator>Wu, Shuping</creator><creator>Wang, Fan</creator><creator>Yuan, Haikuan</creator><creator>Zhang, Lijuan</creator><creator>Mao, Shimin</creator><creator>Liu, Xijian</creator><creator>Alharbi, Njud S.</creator><creator>Rohani, Sohrab</creator><creator>Lu, Jie</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201811</creationdate><title>Fabrication of xanthate-modified chitosan/poly(N-isopropylacrylamide) composite hydrogel for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions</title><author>Wu, Shuping ; Wang, Fan ; Yuan, Haikuan ; Zhang, Lijuan ; Mao, Shimin ; Liu, Xijian ; Alharbi, Njud S. ; Rohani, Sohrab ; Lu, Jie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-67b889e924a5d8ee4bcf0d47f424f9c5327929c167f88693ebf2192f743057693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Adsorption</topic><topic>Adsorption isotherm</topic><topic>Aqueous solutions</topic><topic>Chitosan</topic><topic>Copper</topic><topic>Equilibrium</topic><topic>Hydrogels</topic><topic>Isopropylacrylamide</topic><topic>Kinetics</topic><topic>Lead</topic><topic>Metal ions</topic><topic>Nickel</topic><topic>Selective adsorption</topic><topic>Systems analysis</topic><topic>Thermodynamics</topic><topic>X ray photoelectron spectroscopy</topic><topic>X-CS/NIPAAm composite</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Shuping</creatorcontrib><creatorcontrib>Wang, Fan</creatorcontrib><creatorcontrib>Yuan, Haikuan</creatorcontrib><creatorcontrib>Zhang, Lijuan</creatorcontrib><creatorcontrib>Mao, Shimin</creatorcontrib><creatorcontrib>Liu, Xijian</creatorcontrib><creatorcontrib>Alharbi, Njud S.</creatorcontrib><creatorcontrib>Rohani, Sohrab</creatorcontrib><creatorcontrib>Lu, Jie</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Chemical engineering research & design</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Shuping</au><au>Wang, Fan</au><au>Yuan, Haikuan</au><au>Zhang, Lijuan</au><au>Mao, Shimin</au><au>Liu, Xijian</au><au>Alharbi, Njud S.</au><au>Rohani, Sohrab</au><au>Lu, Jie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of xanthate-modified chitosan/poly(N-isopropylacrylamide) composite hydrogel for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions</atitle><jtitle>Chemical engineering research & design</jtitle><date>2018-11</date><risdate>2018</risdate><volume>139</volume><spage>197</spage><epage>210</epage><pages>197-210</pages><issn>0263-8762</issn><eissn>1744-3563</eissn><abstract>[Display omitted]
•X-CS/NIPAAm composite hydrogel was fabricated as a good adsorbent for adsorption of Cu(II), Pb(II) and Ni(II).•The adsorption data fitted well to Langmuir model and the adsorption kinetics followed the pseudo-second order model.•Thermodynamics indicated the adsorption was an exothermic and spontaneous process.•X-CS/NIPAAm could be reused and regenerated at least five recycles.
A novel xanthate-modified chitosan/poly(N-isopropylacrylamide) (X-CS/NIPAAm) composite hydrogel was fabricated by a facile two-step method for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions from aqueous solutions. The equilibrium adsorption data fitted well to the Langmuir model and the adsorption kinetic data followed the pseudo-second-order model. The maximum equilibrium adsorption capacities of composite hydrogel to Cu(II), Pb(II) and Ni(II) at 293K were about 115.1, 172.0 and 66.9mgg−1, respectively. The thermodynamics parameters showed that the adsorption processes to Cu(II), Pb(II) and Ni(II) were spontaneous and exothermic. The interactions between metal ions for multi-components systems were evaluated by the values of Qb/Qs and Qt/Qs. The adsorption mechanism was analyzed by XPS spectra and the Hard–Soft, Acids–Bases (HSAB) theory. The X-CS/NIPAAm composite hydrogel could be regenerated and repeatedly utilized at least five cycles without obvious adsorption capacity loss.</abstract><cop>Rugby</cop><pub>Elsevier B.V</pub><doi>10.1016/j.cherd.2018.09.035</doi><tpages>14</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Adsorption Adsorption isotherm Aqueous solutions Chitosan Copper Equilibrium Hydrogels Isopropylacrylamide Kinetics Lead Metal ions Nickel Selective adsorption Systems analysis Thermodynamics X ray photoelectron spectroscopy X-CS/NIPAAm composite |
| title | Fabrication of xanthate-modified chitosan/poly(N-isopropylacrylamide) composite hydrogel for the selective adsorption of Cu(II), Pb(II) and Ni(II) metal ions |
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