Adsorption of heavy metal ions and epoxidation catalysis using a new polyhedral oligomeric silsesquioxane
► The synthesis of a new silsesquioxane chemically modified (T8-Pr-ATD) was described. ► The new adsorbent showed to be an effective sorbent for metal ions in solutions. ► The new adsorbent presented a high large adsorption capacity. ► The adsorption process equilibrium condition is reached at time...
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| Veröffentlicht in: | Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2013-02, Vol.218, p.405-414 |
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| creator | Soares, Isaac V. Vieira, Eduardo G. Filho, Newton L.D. Bastos, Andréa C. da Silva, Niléia C. Garcia, Edemir F. Lima, Lucélia Julia A. |
| description | ► The synthesis of a new silsesquioxane chemically modified (T8-Pr-ATD) was described. ► The new adsorbent showed to be an effective sorbent for metal ions in solutions. ► The new adsorbent presented a high large adsorption capacity. ► The adsorption process equilibrium condition is reached at time lower than 10min. ► The new material T8-Pr-ATD-Mo and Si-Pr-ATD-Mo exhibits great catalytic activity.
The objective of this research was the preparation of a silsesquioxane functionalized with eight chloropropyl chains (T8-PrCl) and of a new derivative functionalized with a pendant linear chain (2-amino-1,3,4-thiadiazole – ATD; T8-Pr-ATD). The two nanostructured materials were characterized by 13C and 29Si NMR, FTIR and elemental analysis. The new nanostructured material, octakis[3-(2-amino-1,3,4-thiadiazole)propyl] octasilsesquioxane (T8-Pr-ATD), was tested as a ligand for transition-metal ions with a special attention to adsorption isotherms. The adsorption was performed using a batchwise process and the organofunctionalized surface showed the ability to adsorb the metal ions Cu (II), Co (II), and Ni (II) from water and ethanol. The adsorption isotherms were fitted by Langmuir, Freundlich, Temkin and Dubinin-Radushkevich (D-R) model. The kinetics of adsorption of metals were performed using three models such as pseudo-first order, pseudo-second order and Elovich. The Langmuir and Elovich models were the most appropriate to describe the adsorption and kinetic data, respectively. Furthermore, the T8-Pr-ATD was successfully applied to the analysis of environmental samples (river and sea water). Subsequently, a new nanomaterial was prepared by functionalization of the T8-Pr-ATD with a Mo (II) organometallic complex (T8-Pr-ATD-Mo). Only a few works in the literature have reported this type of substitution, and none dealt with ATD and Mo (II) complexes. The new Mo-silsesquioxane organometallic nanomaterial was tested as precursor in the epoxidation of cyclooctene and styrene. |
| doi_str_mv | 10.1016/j.cej.2012.11.126 |
| format | Article |
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The objective of this research was the preparation of a silsesquioxane functionalized with eight chloropropyl chains (T8-PrCl) and of a new derivative functionalized with a pendant linear chain (2-amino-1,3,4-thiadiazole – ATD; T8-Pr-ATD). The two nanostructured materials were characterized by 13C and 29Si NMR, FTIR and elemental analysis. The new nanostructured material, octakis[3-(2-amino-1,3,4-thiadiazole)propyl] octasilsesquioxane (T8-Pr-ATD), was tested as a ligand for transition-metal ions with a special attention to adsorption isotherms. The adsorption was performed using a batchwise process and the organofunctionalized surface showed the ability to adsorb the metal ions Cu (II), Co (II), and Ni (II) from water and ethanol. The adsorption isotherms were fitted by Langmuir, Freundlich, Temkin and Dubinin-Radushkevich (D-R) model. The kinetics of adsorption of metals were performed using three models such as pseudo-first order, pseudo-second order and Elovich. The Langmuir and Elovich models were the most appropriate to describe the adsorption and kinetic data, respectively. Furthermore, the T8-Pr-ATD was successfully applied to the analysis of environmental samples (river and sea water). Subsequently, a new nanomaterial was prepared by functionalization of the T8-Pr-ATD with a Mo (II) organometallic complex (T8-Pr-ATD-Mo). Only a few works in the literature have reported this type of substitution, and none dealt with ATD and Mo (II) complexes. The new Mo-silsesquioxane organometallic nanomaterial was tested as precursor in the epoxidation of cyclooctene and styrene.</description><identifier>ISSN: 1385-8947</identifier><identifier>EISSN: 1873-3212</identifier><identifier>DOI: 10.1016/j.cej.2012.11.126</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Adsorption ; Applied sciences ; Catalysis ; catalytic activity ; Catalytic reactions ; Chemical engineering ; Chemistry ; Continental surface waters ; environmental assessment ; Epoxidation ; ethanol ; Ethyl alcohol ; Exact sciences and technology ; Functionalization ; General and physical chemistry ; heavy metals ; ions ; Isotherms ; Mathematical models ; metal ions ; Nanomaterials ; Nanostructure ; Natural water pollution ; Pollution ; Preconcentration ; rivers ; seawater ; Seawaters, estuaries ; Silsesquioxane ; sorption isotherms ; styrene ; Surface chemistry ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; Water treatment and pollution</subject><ispartof>Chemical engineering journal (Lausanne, Switzerland : 1996), 2013-02, Vol.218, p.405-414</ispartof><rights>2012 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-fc04a56d1e2c1b22382d4a5e5ba1944e7b747b316cdab0d00248da7326673a473</citedby><cites>FETCH-LOGICAL-c417t-fc04a56d1e2c1b22382d4a5e5ba1944e7b747b316cdab0d00248da7326673a473</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.cej.2012.11.126$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27162583$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Soares, Isaac V.</creatorcontrib><creatorcontrib>Vieira, Eduardo G.</creatorcontrib><creatorcontrib>Filho, Newton L.D.</creatorcontrib><creatorcontrib>Bastos, Andréa C.</creatorcontrib><creatorcontrib>da Silva, Niléia C.</creatorcontrib><creatorcontrib>Garcia, Edemir F.</creatorcontrib><creatorcontrib>Lima, Lucélia Julia A.</creatorcontrib><title>Adsorption of heavy metal ions and epoxidation catalysis using a new polyhedral oligomeric silsesquioxane</title><title>Chemical engineering journal (Lausanne, Switzerland : 1996)</title><description>► The synthesis of a new silsesquioxane chemically modified (T8-Pr-ATD) was described. ► The new adsorbent showed to be an effective sorbent for metal ions in solutions. ► The new adsorbent presented a high large adsorption capacity. ► The adsorption process equilibrium condition is reached at time lower than 10min. ► The new material T8-Pr-ATD-Mo and Si-Pr-ATD-Mo exhibits great catalytic activity.
The objective of this research was the preparation of a silsesquioxane functionalized with eight chloropropyl chains (T8-PrCl) and of a new derivative functionalized with a pendant linear chain (2-amino-1,3,4-thiadiazole – ATD; T8-Pr-ATD). The two nanostructured materials were characterized by 13C and 29Si NMR, FTIR and elemental analysis. The new nanostructured material, octakis[3-(2-amino-1,3,4-thiadiazole)propyl] octasilsesquioxane (T8-Pr-ATD), was tested as a ligand for transition-metal ions with a special attention to adsorption isotherms. The adsorption was performed using a batchwise process and the organofunctionalized surface showed the ability to adsorb the metal ions Cu (II), Co (II), and Ni (II) from water and ethanol. The adsorption isotherms were fitted by Langmuir, Freundlich, Temkin and Dubinin-Radushkevich (D-R) model. The kinetics of adsorption of metals were performed using three models such as pseudo-first order, pseudo-second order and Elovich. The Langmuir and Elovich models were the most appropriate to describe the adsorption and kinetic data, respectively. Furthermore, the T8-Pr-ATD was successfully applied to the analysis of environmental samples (river and sea water). Subsequently, a new nanomaterial was prepared by functionalization of the T8-Pr-ATD with a Mo (II) organometallic complex (T8-Pr-ATD-Mo). Only a few works in the literature have reported this type of substitution, and none dealt with ATD and Mo (II) complexes. The new Mo-silsesquioxane organometallic nanomaterial was tested as precursor in the epoxidation of cyclooctene and styrene.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Catalysis</subject><subject>catalytic activity</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Continental surface waters</subject><subject>environmental assessment</subject><subject>Epoxidation</subject><subject>ethanol</subject><subject>Ethyl alcohol</subject><subject>Exact sciences and technology</subject><subject>Functionalization</subject><subject>General and physical chemistry</subject><subject>heavy metals</subject><subject>ions</subject><subject>Isotherms</subject><subject>Mathematical models</subject><subject>metal ions</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Natural water pollution</subject><subject>Pollution</subject><subject>Preconcentration</subject><subject>rivers</subject><subject>seawater</subject><subject>Seawaters, estuaries</subject><subject>Silsesquioxane</subject><subject>sorption isotherms</subject><subject>styrene</subject><subject>Surface chemistry</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><subject>Water treatment and pollution</subject><issn>1385-8947</issn><issn>1873-3212</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkUFv1DAQhSMEEqXwAzjhCxKXBI-d2LE4VRVQpEocoGdrYk-2XmXj1M623X-Pt1txRJxm9Py9p5FfVb0H3gAH9XnbONo2goNoABoQ6kV1Br2WtRQgXpZd9l3dm1a_rt7kvOWcKwPmrAoXPse0rCHOLI7slvD-wHa04sSKlBnOntESH4PHJ8ZheTrkkNk-h3nDkM30wJY4HW7Jp-KKU9jEHaXgWA5Tpny3D_ERZ3pbvRqxCO-e53l18-3r78ur-vrn9x-XF9e1a0Gv9eh4i53yQMLBIITshS8CdQOCaVvSg271IEE5jwP3nIu296ilUEpLbLU8rz6dcpcU7_aUV7sL2dE0lRviPlvQ3GhljP4PtAPZGsG1LCicUJdizolGu6Sww3SwwO2xAbu1pQF7bMAC2NJA8Xx8jsfscBoTzi7kv0ahQYmuP2Z_OHEjRoubVJibXyWoKy0ZJWRXiC8ngsrH3QdKNrtAsyMfErnV-hj-cccfdUmlaQ</recordid><startdate>20130201</startdate><enddate>20130201</enddate><creator>Soares, Isaac V.</creator><creator>Vieira, Eduardo G.</creator><creator>Filho, Newton L.D.</creator><creator>Bastos, Andréa C.</creator><creator>da Silva, Niléia C.</creator><creator>Garcia, Edemir F.</creator><creator>Lima, Lucélia Julia A.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20130201</creationdate><title>Adsorption of heavy metal ions and epoxidation catalysis using a new polyhedral oligomeric silsesquioxane</title><author>Soares, Isaac V. ; Vieira, Eduardo G. ; Filho, Newton L.D. ; Bastos, Andréa C. ; da Silva, Niléia C. ; Garcia, Edemir F. ; Lima, Lucélia Julia A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-fc04a56d1e2c1b22382d4a5e5ba1944e7b747b316cdab0d00248da7326673a473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Catalysis</topic><topic>catalytic activity</topic><topic>Catalytic reactions</topic><topic>Chemical engineering</topic><topic>Chemistry</topic><topic>Continental surface waters</topic><topic>environmental assessment</topic><topic>Epoxidation</topic><topic>ethanol</topic><topic>Ethyl alcohol</topic><topic>Exact sciences and technology</topic><topic>Functionalization</topic><topic>General and physical chemistry</topic><topic>heavy metals</topic><topic>ions</topic><topic>Isotherms</topic><topic>Mathematical models</topic><topic>metal ions</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Natural water pollution</topic><topic>Pollution</topic><topic>Preconcentration</topic><topic>rivers</topic><topic>seawater</topic><topic>Seawaters, estuaries</topic><topic>Silsesquioxane</topic><topic>sorption isotherms</topic><topic>styrene</topic><topic>Surface chemistry</topic><topic>Theory of reactions, general kinetics. 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The objective of this research was the preparation of a silsesquioxane functionalized with eight chloropropyl chains (T8-PrCl) and of a new derivative functionalized with a pendant linear chain (2-amino-1,3,4-thiadiazole – ATD; T8-Pr-ATD). The two nanostructured materials were characterized by 13C and 29Si NMR, FTIR and elemental analysis. The new nanostructured material, octakis[3-(2-amino-1,3,4-thiadiazole)propyl] octasilsesquioxane (T8-Pr-ATD), was tested as a ligand for transition-metal ions with a special attention to adsorption isotherms. The adsorption was performed using a batchwise process and the organofunctionalized surface showed the ability to adsorb the metal ions Cu (II), Co (II), and Ni (II) from water and ethanol. The adsorption isotherms were fitted by Langmuir, Freundlich, Temkin and Dubinin-Radushkevich (D-R) model. The kinetics of adsorption of metals were performed using three models such as pseudo-first order, pseudo-second order and Elovich. The Langmuir and Elovich models were the most appropriate to describe the adsorption and kinetic data, respectively. Furthermore, the T8-Pr-ATD was successfully applied to the analysis of environmental samples (river and sea water). Subsequently, a new nanomaterial was prepared by functionalization of the T8-Pr-ATD with a Mo (II) organometallic complex (T8-Pr-ATD-Mo). Only a few works in the literature have reported this type of substitution, and none dealt with ATD and Mo (II) complexes. The new Mo-silsesquioxane organometallic nanomaterial was tested as precursor in the epoxidation of cyclooctene and styrene.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.cej.2012.11.126</doi><tpages>10</tpages></addata></record> |
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| ispartof | Chemical engineering journal (Lausanne, Switzerland : 1996), 2013-02, Vol.218, p.405-414 |
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| subjects | Adsorption Applied sciences Catalysis catalytic activity Catalytic reactions Chemical engineering Chemistry Continental surface waters environmental assessment Epoxidation ethanol Ethyl alcohol Exact sciences and technology Functionalization General and physical chemistry heavy metals ions Isotherms Mathematical models metal ions Nanomaterials Nanostructure Natural water pollution Pollution Preconcentration rivers seawater Seawaters, estuaries Silsesquioxane sorption isotherms styrene Surface chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Water treatment and pollution |
| title | Adsorption of heavy metal ions and epoxidation catalysis using a new polyhedral oligomeric silsesquioxane |
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