Selective removal of cesium by ammonium molybdophosphate – polyacrylonitrile bead and membrane
•AMP-PAN membrane was prepared for the first time through a simple way.•AMP-PAN bead performed high adsorption capacity and selectivity towards Cs+.•Liquid film diffusion was the rate-limiting step during the batch adsorption process.•AMP-PAN membrane could eliminate Cs+ effectively from water throu...
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| Veröffentlicht in: | Journal of hazardous materials 2017-02, Vol.324 (Pt B), p.753-761 |
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| container_issue | Pt B |
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| container_title | Journal of hazardous materials |
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| creator | Ding, Dahu Zhang, Zhenya Chen, Rongzhi Cai, Tianming |
| description | •AMP-PAN membrane was prepared for the first time through a simple way.•AMP-PAN bead performed high adsorption capacity and selectivity towards Cs+.•Liquid film diffusion was the rate-limiting step during the batch adsorption process.•AMP-PAN membrane could eliminate Cs+ effectively from water through rapid filtration.
The selective removal of radionuclides with extremely low concentrations from environmental medium remains a big challenge. Ammonium molybdophosphate possess considerable selectivity towards cesium ion (Cs+) due to the specific ion exchange between Cs+ and NH4+. Ammonium molybdophosphate – polyacrylonitrile (AMP-PAN) membrane was successfully prepared for the first time in this study. Efficient removal of Cs+ (95.7%, 94.1% and 91.3% of 1mgL−1) from solutions with high ionic strength (400mgL−1 of Na+, Ca2+ or K+) was achieved by AMP-PAN composite. Multilayer chemical adsorption process was testified through kinetic and isotherm studies. The estimated maximum adsorption capacities even reached 138.9±21.3mgg−1. Specifically, the liquid film diffusion was identified as the rate-limiting step throughout the removal process. Finally, AMP-PAN membrane could eliminate Cs+ from water effectively through the filtration adsorption process. |
| doi_str_mv | 10.1016/j.jhazmat.2016.11.054 |
| format | Article |
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The selective removal of radionuclides with extremely low concentrations from environmental medium remains a big challenge. Ammonium molybdophosphate possess considerable selectivity towards cesium ion (Cs+) due to the specific ion exchange between Cs+ and NH4+. Ammonium molybdophosphate – polyacrylonitrile (AMP-PAN) membrane was successfully prepared for the first time in this study. Efficient removal of Cs+ (95.7%, 94.1% and 91.3% of 1mgL−1) from solutions with high ionic strength (400mgL−1 of Na+, Ca2+ or K+) was achieved by AMP-PAN composite. Multilayer chemical adsorption process was testified through kinetic and isotherm studies. The estimated maximum adsorption capacities even reached 138.9±21.3mgg−1. Specifically, the liquid film diffusion was identified as the rate-limiting step throughout the removal process. Finally, AMP-PAN membrane could eliminate Cs+ from water effectively through the filtration adsorption process.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2016.11.054</identifier><identifier>PMID: 27890359</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Adsorption ; Beads ; Cesium ; Desorption ; Diffusion rate ; Ion exchange ; Kinetic ; Liquid film diffusion ; Membranes ; Moving boundary model ; Polyacrylonitriles ; Radioactive contamination ; Water purification</subject><ispartof>Journal of hazardous materials, 2017-02, Vol.324 (Pt B), p.753-761</ispartof><rights>2016 Elsevier B.V.</rights><rights>Copyright © 2016 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c468t-fa4d1de744b601c6521c0fbf5dfe91beec218332ee5c91ae5aa24d9a661d11a43</citedby><cites>FETCH-LOGICAL-c468t-fa4d1de744b601c6521c0fbf5dfe91beec218332ee5c91ae5aa24d9a661d11a43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389416310846$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27890359$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ding, Dahu</creatorcontrib><creatorcontrib>Zhang, Zhenya</creatorcontrib><creatorcontrib>Chen, Rongzhi</creatorcontrib><creatorcontrib>Cai, Tianming</creatorcontrib><title>Selective removal of cesium by ammonium molybdophosphate – polyacrylonitrile bead and membrane</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>•AMP-PAN membrane was prepared for the first time through a simple way.•AMP-PAN bead performed high adsorption capacity and selectivity towards Cs+.•Liquid film diffusion was the rate-limiting step during the batch adsorption process.•AMP-PAN membrane could eliminate Cs+ effectively from water through rapid filtration.
The selective removal of radionuclides with extremely low concentrations from environmental medium remains a big challenge. Ammonium molybdophosphate possess considerable selectivity towards cesium ion (Cs+) due to the specific ion exchange between Cs+ and NH4+. Ammonium molybdophosphate – polyacrylonitrile (AMP-PAN) membrane was successfully prepared for the first time in this study. Efficient removal of Cs+ (95.7%, 94.1% and 91.3% of 1mgL−1) from solutions with high ionic strength (400mgL−1 of Na+, Ca2+ or K+) was achieved by AMP-PAN composite. Multilayer chemical adsorption process was testified through kinetic and isotherm studies. The estimated maximum adsorption capacities even reached 138.9±21.3mgg−1. Specifically, the liquid film diffusion was identified as the rate-limiting step throughout the removal process. Finally, AMP-PAN membrane could eliminate Cs+ from water effectively through the filtration adsorption process.</description><subject>Adsorption</subject><subject>Beads</subject><subject>Cesium</subject><subject>Desorption</subject><subject>Diffusion rate</subject><subject>Ion exchange</subject><subject>Kinetic</subject><subject>Liquid film diffusion</subject><subject>Membranes</subject><subject>Moving boundary model</subject><subject>Polyacrylonitriles</subject><subject>Radioactive contamination</subject><subject>Water purification</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNkc1u1DAQxy1ERZfCI4B85JLg8VeSE0JV-ZAq9VA4G8eeaL2K18HOrrSceAfekCdpll240pPH1m_mP_KPkFfAamCg327qzdr-iHau-XKtAWqm5BOygrYRlRBCPyUrJpisRNvJS_K8lA1jDBoln5FL3rQdE6pbkW_3OKKbwx5pxpj2dqRpoA5L2EXaH6iNMW2PdUzjofdpWqcyre2M9PfPX3RaHq3Lh3Fh5hxGpD1aT-3W04ixz3aLL8jFYMeCL8_nFfn64ebL9afq9u7j5-v3t5WTup2rwUoPHhspe83AacXBsaEflB-wgx7RcWiF4IjKdWBRWcul76zW4AGsFFfkzWnulNP3HZbZxFAcjuOyQ9oVA62WSnPJ1SNQpVjDW_WYqVIKxRU_ouqEupxKyTiYKYdo88EAM0dlZmPOysxRmQEw7E_E63PEro_o_3X9dbQA704ALt-3D5hNcQG3Dn3IizrjU_hPxAMAp6yV</recordid><startdate>20170215</startdate><enddate>20170215</enddate><creator>Ding, Dahu</creator><creator>Zhang, Zhenya</creator><creator>Chen, Rongzhi</creator><creator>Cai, Tianming</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7ST</scope><scope>7U7</scope><scope>C1K</scope><scope>SOI</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20170215</creationdate><title>Selective removal of cesium by ammonium molybdophosphate – polyacrylonitrile bead and membrane</title><author>Ding, Dahu ; Zhang, Zhenya ; Chen, Rongzhi ; Cai, Tianming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468t-fa4d1de744b601c6521c0fbf5dfe91beec218332ee5c91ae5aa24d9a661d11a43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adsorption</topic><topic>Beads</topic><topic>Cesium</topic><topic>Desorption</topic><topic>Diffusion rate</topic><topic>Ion exchange</topic><topic>Kinetic</topic><topic>Liquid film diffusion</topic><topic>Membranes</topic><topic>Moving boundary model</topic><topic>Polyacrylonitriles</topic><topic>Radioactive contamination</topic><topic>Water purification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ding, Dahu</creatorcontrib><creatorcontrib>Zhang, Zhenya</creatorcontrib><creatorcontrib>Chen, Rongzhi</creatorcontrib><creatorcontrib>Cai, Tianming</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</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><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ding, Dahu</au><au>Zhang, Zhenya</au><au>Chen, Rongzhi</au><au>Cai, Tianming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective removal of cesium by ammonium molybdophosphate – polyacrylonitrile bead and membrane</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2017-02-15</date><risdate>2017</risdate><volume>324</volume><issue>Pt B</issue><spage>753</spage><epage>761</epage><pages>753-761</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><abstract>•AMP-PAN membrane was prepared for the first time through a simple way.•AMP-PAN bead performed high adsorption capacity and selectivity towards Cs+.•Liquid film diffusion was the rate-limiting step during the batch adsorption process.•AMP-PAN membrane could eliminate Cs+ effectively from water through rapid filtration.
The selective removal of radionuclides with extremely low concentrations from environmental medium remains a big challenge. Ammonium molybdophosphate possess considerable selectivity towards cesium ion (Cs+) due to the specific ion exchange between Cs+ and NH4+. Ammonium molybdophosphate – polyacrylonitrile (AMP-PAN) membrane was successfully prepared for the first time in this study. Efficient removal of Cs+ (95.7%, 94.1% and 91.3% of 1mgL−1) from solutions with high ionic strength (400mgL−1 of Na+, Ca2+ or K+) was achieved by AMP-PAN composite. Multilayer chemical adsorption process was testified through kinetic and isotherm studies. The estimated maximum adsorption capacities even reached 138.9±21.3mgg−1. Specifically, the liquid film diffusion was identified as the rate-limiting step throughout the removal process. Finally, AMP-PAN membrane could eliminate Cs+ from water effectively through the filtration adsorption process.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>27890359</pmid><doi>10.1016/j.jhazmat.2016.11.054</doi><tpages>9</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Adsorption Beads Cesium Desorption Diffusion rate Ion exchange Kinetic Liquid film diffusion Membranes Moving boundary model Polyacrylonitriles Radioactive contamination Water purification |
| title | Selective removal of cesium by ammonium molybdophosphate – polyacrylonitrile bead and membrane |
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