Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon
A new solid phase extractant selective for uranium(VI) based on benzoylthiourea anchored to activated carbon was developed via hydroxylation, amidation and reaction with benzoyl isothiocyanate in sequence. Fourier transform infrared spectroscopy and total element analysis proved that benzoylthiourea...
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| Veröffentlicht in: | Journal of hazardous materials 2010-04, Vol.176 (1), p.119-124 |
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| container_title | Journal of hazardous materials |
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| creator | Zhao, Yongsheng Liu, Chunxia Feng, Miao Chen, Zhen Li, Shuqiong Tian, Gan Wang, Li Huang, Jingbo Li, Shoujian |
| description | A new solid phase extractant selective for uranium(VI) based on benzoylthiourea anchored to activated carbon was developed via hydroxylation, amidation and reaction with benzoyl isothiocyanate in sequence. Fourier transform infrared spectroscopy and total element analysis proved that benzoylthiourea had been successfully grafted to the surface of the activated carbon, with a loading capacity of 1.2
mmol benzoylthiourea per gram of activated carbon. The parameters that affect the uranium(VI) sorption, such as contact time, solution pH, initial uranium(VI) concentration, adsorbent dose and temperature, have been investigated. Results have been analyzed by Langmuir and Freundlich isotherm; the former was more suitable to describe the sorption process. The maximum sorption capacity (82
mg/g) for uranium(VI) was obtained at experimental conditions. The rate constant for the uranium sorption by the as-synthesized extractant was 0.441
min
−1 from the first order rate equation. Thermodynamic parameters (Δ
H
0
=
−46.2
kJ/mol; Δ
S
0
=
−98.0
J/mol
K; Δ
G
0
=
−17.5
kJ/mol) showed the adsorption of an exothermic process and spontaneous nature, respectively. Additional studies indicated that the benzoylthiourea-anchored activated carbon (BT-AC) selectively sorbed uranyl ions in the presence of competing ions, Na
+, Co
2+, Sr
2+, Cs
+ and La
3+. |
| doi_str_mv | 10.1016/j.jhazmat.2009.11.005 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_745697818</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0304389409017841</els_id><sourcerecordid>1770315700</sourcerecordid><originalsourceid>FETCH-LOGICAL-c459t-5dc1b59c4f2284282c14fbcd424c5ec33a5ba1d6271ac3868ce005403ee4f13</originalsourceid><addsrcrecordid>eNqFkU1v1DAQhi1ERbeFnwDKBVEOCZ7YzsepQlWhlSpxaMXVciYTrVdJvNhORfvr8WojuNGT5_C845l5GHsPvAAO1Zddsdua58nEouS8LQAKztUrtoGmFrkQonrNNlxwmYumlafsLIQd5xxqJd-wU2jbSghoNuzh3o22z_ZbEyij39EbjNbNmRuyxZvZLtPFz9vPmZujyzqan93TGLfWLZ5MbmbcOk99dsg8mpgqNL5z81t2Mpgx0Lv1PWf3364frm7yux_fb6--3uUoVRtz1SN0qkU5lGUjy6ZEkEOHvSwlKkIhjOoM9FVZg0HRVA1S2lFyQSQHEOfs07Hr3rtfC4WoJxuQxtHM5Jaga6mqtm6geZkUQol0VJ7Ii_-SUNdcgKr5AVVHFL0LwdOg995Oxj9p4PqgSO_0qkgfFGkAncZPuQ_rF0s3Uf8vtTpJwMcVMAHNOCQNaMNfrixVCxKqxF0eOUonfrTkdUBLM1JvPWHUvbMvjPIH6Fyxpw</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1770315700</pqid></control><display><type>article</type><title>Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon</title><source>MEDLINE</source><source>Elsevier ScienceDirect Journals</source><creator>Zhao, Yongsheng ; Liu, Chunxia ; Feng, Miao ; Chen, Zhen ; Li, Shuqiong ; Tian, Gan ; Wang, Li ; Huang, Jingbo ; Li, Shoujian</creator><creatorcontrib>Zhao, Yongsheng ; Liu, Chunxia ; Feng, Miao ; Chen, Zhen ; Li, Shuqiong ; Tian, Gan ; Wang, Li ; Huang, Jingbo ; Li, Shoujian</creatorcontrib><description>A new solid phase extractant selective for uranium(VI) based on benzoylthiourea anchored to activated carbon was developed via hydroxylation, amidation and reaction with benzoyl isothiocyanate in sequence. Fourier transform infrared spectroscopy and total element analysis proved that benzoylthiourea had been successfully grafted to the surface of the activated carbon, with a loading capacity of 1.2
mmol benzoylthiourea per gram of activated carbon. The parameters that affect the uranium(VI) sorption, such as contact time, solution pH, initial uranium(VI) concentration, adsorbent dose and temperature, have been investigated. Results have been analyzed by Langmuir and Freundlich isotherm; the former was more suitable to describe the sorption process. The maximum sorption capacity (82
mg/g) for uranium(VI) was obtained at experimental conditions. The rate constant for the uranium sorption by the as-synthesized extractant was 0.441
min
−1 from the first order rate equation. Thermodynamic parameters (Δ
H
0
=
−46.2
kJ/mol; Δ
S
0
=
−98.0
J/mol
K; Δ
G
0
=
−17.5
kJ/mol) showed the adsorption of an exothermic process and spontaneous nature, respectively. Additional studies indicated that the benzoylthiourea-anchored activated carbon (BT-AC) selectively sorbed uranyl ions in the presence of competing ions, Na
+, Co
2+, Sr
2+, Cs
+ and La
3+.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2009.11.005</identifier><identifier>PMID: 19963318</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Activated carbon ; Adsorption ; Applied sciences ; Benzoylthiourea ; Cations ; Charcoal - chemistry ; Chemical engineering ; Exact sciences and technology ; Extraction ; Hydrogen-Ion Concentration ; Hydroxylation ; Kinetics ; Mathematical analysis ; Pollution ; Rate constants ; Solid phase extraction ; Solid Phase Extraction - methods ; Solid phases ; Sorption ; Surface chemistry ; Temperature ; Thermodynamics ; Thiourea - chemistry ; Uranium ; Uranium - isolation & purification</subject><ispartof>Journal of hazardous materials, 2010-04, Vol.176 (1), p.119-124</ispartof><rights>2009 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><rights>2009 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c459t-5dc1b59c4f2284282c14fbcd424c5ec33a5ba1d6271ac3868ce005403ee4f13</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389409017841$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22591416$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19963318$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhao, Yongsheng</creatorcontrib><creatorcontrib>Liu, Chunxia</creatorcontrib><creatorcontrib>Feng, Miao</creatorcontrib><creatorcontrib>Chen, Zhen</creatorcontrib><creatorcontrib>Li, Shuqiong</creatorcontrib><creatorcontrib>Tian, Gan</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Huang, Jingbo</creatorcontrib><creatorcontrib>Li, Shoujian</creatorcontrib><title>Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>A new solid phase extractant selective for uranium(VI) based on benzoylthiourea anchored to activated carbon was developed via hydroxylation, amidation and reaction with benzoyl isothiocyanate in sequence. Fourier transform infrared spectroscopy and total element analysis proved that benzoylthiourea had been successfully grafted to the surface of the activated carbon, with a loading capacity of 1.2
mmol benzoylthiourea per gram of activated carbon. The parameters that affect the uranium(VI) sorption, such as contact time, solution pH, initial uranium(VI) concentration, adsorbent dose and temperature, have been investigated. Results have been analyzed by Langmuir and Freundlich isotherm; the former was more suitable to describe the sorption process. The maximum sorption capacity (82
mg/g) for uranium(VI) was obtained at experimental conditions. The rate constant for the uranium sorption by the as-synthesized extractant was 0.441
min
−1 from the first order rate equation. Thermodynamic parameters (Δ
H
0
=
−46.2
kJ/mol; Δ
S
0
=
−98.0
J/mol
K; Δ
G
0
=
−17.5
kJ/mol) showed the adsorption of an exothermic process and spontaneous nature, respectively. Additional studies indicated that the benzoylthiourea-anchored activated carbon (BT-AC) selectively sorbed uranyl ions in the presence of competing ions, Na
+, Co
2+, Sr
2+, Cs
+ and La
3+.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Benzoylthiourea</subject><subject>Cations</subject><subject>Charcoal - chemistry</subject><subject>Chemical engineering</subject><subject>Exact sciences and technology</subject><subject>Extraction</subject><subject>Hydrogen-Ion Concentration</subject><subject>Hydroxylation</subject><subject>Kinetics</subject><subject>Mathematical analysis</subject><subject>Pollution</subject><subject>Rate constants</subject><subject>Solid phase extraction</subject><subject>Solid Phase Extraction - methods</subject><subject>Solid phases</subject><subject>Sorption</subject><subject>Surface chemistry</subject><subject>Temperature</subject><subject>Thermodynamics</subject><subject>Thiourea - chemistry</subject><subject>Uranium</subject><subject>Uranium - isolation & purification</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi1ERbeFnwDKBVEOCZ7YzsepQlWhlSpxaMXVciYTrVdJvNhORfvr8WojuNGT5_C845l5GHsPvAAO1Zddsdua58nEouS8LQAKztUrtoGmFrkQonrNNlxwmYumlafsLIQd5xxqJd-wU2jbSghoNuzh3o22z_ZbEyij39EbjNbNmRuyxZvZLtPFz9vPmZujyzqan93TGLfWLZ5MbmbcOk99dsg8mpgqNL5z81t2Mpgx0Lv1PWf3364frm7yux_fb6--3uUoVRtz1SN0qkU5lGUjy6ZEkEOHvSwlKkIhjOoM9FVZg0HRVA1S2lFyQSQHEOfs07Hr3rtfC4WoJxuQxtHM5Jaga6mqtm6geZkUQol0VJ7Ii_-SUNdcgKr5AVVHFL0LwdOg995Oxj9p4PqgSO_0qkgfFGkAncZPuQ_rF0s3Uf8vtTpJwMcVMAHNOCQNaMNfrixVCxKqxF0eOUonfrTkdUBLM1JvPWHUvbMvjPIH6Fyxpw</recordid><startdate>20100415</startdate><enddate>20100415</enddate><creator>Zhao, Yongsheng</creator><creator>Liu, Chunxia</creator><creator>Feng, Miao</creator><creator>Chen, Zhen</creator><creator>Li, Shuqiong</creator><creator>Tian, Gan</creator><creator>Wang, Li</creator><creator>Huang, Jingbo</creator><creator>Li, Shoujian</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20100415</creationdate><title>Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon</title><author>Zhao, Yongsheng ; Liu, Chunxia ; Feng, Miao ; Chen, Zhen ; Li, Shuqiong ; Tian, Gan ; Wang, Li ; Huang, Jingbo ; Li, Shoujian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c459t-5dc1b59c4f2284282c14fbcd424c5ec33a5ba1d6271ac3868ce005403ee4f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Activated carbon</topic><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Benzoylthiourea</topic><topic>Cations</topic><topic>Charcoal - chemistry</topic><topic>Chemical engineering</topic><topic>Exact sciences and technology</topic><topic>Extraction</topic><topic>Hydrogen-Ion Concentration</topic><topic>Hydroxylation</topic><topic>Kinetics</topic><topic>Mathematical analysis</topic><topic>Pollution</topic><topic>Rate constants</topic><topic>Solid phase extraction</topic><topic>Solid Phase Extraction - methods</topic><topic>Solid phases</topic><topic>Sorption</topic><topic>Surface chemistry</topic><topic>Temperature</topic><topic>Thermodynamics</topic><topic>Thiourea - chemistry</topic><topic>Uranium</topic><topic>Uranium - isolation & purification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Yongsheng</creatorcontrib><creatorcontrib>Liu, Chunxia</creatorcontrib><creatorcontrib>Feng, Miao</creatorcontrib><creatorcontrib>Chen, Zhen</creatorcontrib><creatorcontrib>Li, Shuqiong</creatorcontrib><creatorcontrib>Tian, Gan</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Huang, Jingbo</creatorcontrib><creatorcontrib>Li, Shoujian</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Yongsheng</au><au>Liu, Chunxia</au><au>Feng, Miao</au><au>Chen, Zhen</au><au>Li, Shuqiong</au><au>Tian, Gan</au><au>Wang, Li</au><au>Huang, Jingbo</au><au>Li, Shoujian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2010-04-15</date><risdate>2010</risdate><volume>176</volume><issue>1</issue><spage>119</spage><epage>124</epage><pages>119-124</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>A new solid phase extractant selective for uranium(VI) based on benzoylthiourea anchored to activated carbon was developed via hydroxylation, amidation and reaction with benzoyl isothiocyanate in sequence. Fourier transform infrared spectroscopy and total element analysis proved that benzoylthiourea had been successfully grafted to the surface of the activated carbon, with a loading capacity of 1.2
mmol benzoylthiourea per gram of activated carbon. The parameters that affect the uranium(VI) sorption, such as contact time, solution pH, initial uranium(VI) concentration, adsorbent dose and temperature, have been investigated. Results have been analyzed by Langmuir and Freundlich isotherm; the former was more suitable to describe the sorption process. The maximum sorption capacity (82
mg/g) for uranium(VI) was obtained at experimental conditions. The rate constant for the uranium sorption by the as-synthesized extractant was 0.441
min
−1 from the first order rate equation. Thermodynamic parameters (Δ
H
0
=
−46.2
kJ/mol; Δ
S
0
=
−98.0
J/mol
K; Δ
G
0
=
−17.5
kJ/mol) showed the adsorption of an exothermic process and spontaneous nature, respectively. Additional studies indicated that the benzoylthiourea-anchored activated carbon (BT-AC) selectively sorbed uranyl ions in the presence of competing ions, Na
+, Co
2+, Sr
2+, Cs
+ and La
3+.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><pmid>19963318</pmid><doi>10.1016/j.jhazmat.2009.11.005</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0304-3894 |
| ispartof | Journal of hazardous materials, 2010-04, Vol.176 (1), p.119-124 |
| issn | 0304-3894 1873-3336 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_745697818 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Activated carbon Adsorption Applied sciences Benzoylthiourea Cations Charcoal - chemistry Chemical engineering Exact sciences and technology Extraction Hydrogen-Ion Concentration Hydroxylation Kinetics Mathematical analysis Pollution Rate constants Solid phase extraction Solid Phase Extraction - methods Solid phases Sorption Surface chemistry Temperature Thermodynamics Thiourea - chemistry Uranium Uranium - isolation & purification |
| title | Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon |
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