Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane
Solvent extraction of U(VI) with di-isodecyl phosphoric acid (DIDPA)/dodecane from nitric acid medium has been investigated for a wide range of experimental conditions. Effect of various parameters including nitric acid concentration, DIDPA concentration, temperature, stripping agents, and other imp...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2010-04, Vol.284 (1), p.201-205 |
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| container_title | Journal of radioanalytical and nuclear chemistry |
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| creator | Biswas, Sujoy Singh, D. K. Hareendran, K. N. Sharma, J. N. Roy, S. B. |
| description | Solvent extraction of U(VI) with di-isodecyl phosphoric acid (DIDPA)/dodecane from nitric acid medium has been investigated for a wide range of experimental conditions. Effect of various parameters including nitric acid concentration, DIDPA concentration, temperature, stripping agents, and other impurities like rear earths, transition metal ion, boron, aluminum ion on U(VI) extraction has been studied. The species extracted in the organic phase is found to be UO
2
(NO
3
)(HA
2
)·H
2
A
2
at lower acidity ( 5% (NH
4
)
2
CO
3
> 8 M HCl > 8 M HNO
3
> Water. High separation factors between U(VI) and impurities suggested that the use of DIDPA for purification of uranium from multi elements bearing solution. |
| doi_str_mv | 10.1007/s10967-010-0468-x |
| format | Article |
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2
(NO
3
)(HA
2
)·H
2
A
2
at lower acidity (<3.0 M HNO
3
). Increase in temperature lead to the decrease in extraction with the enthalpy change by ∆
H
= −16.27 kJ/mol. Enhancement in extraction of U(VI) from nitric acid medium was observed with the mixture of DIDPA and tri butyl phosphate (TBP). The stripping of U(VI) from organic phase (DIDPA–U(VI)/dodecane) with various reagents followed the order: 4 M H
2
SO
4
> 5% (NH
4
)
2
CO
3
> 8 M HCl > 8 M HNO
3
> Water. High separation factors between U(VI) and impurities suggested that the use of DIDPA for purification of uranium from multi elements bearing solution.</description><identifier>ISSN: 0236-5731</identifier><identifier>EISSN: 1588-2780</identifier><identifier>DOI: 10.1007/s10967-010-0468-x</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Aluminum ; Chemical tests and reagents ; Chemistry ; Chemistry and Materials Science ; Diagnostic Radiology ; Dissolution ; Dodecane ; Hadrons ; Heavy Ions ; Impurities ; Inorganic Chemistry ; Nitric acid ; Nuclear Chemistry ; Nuclear Physics ; Phosphates ; Phosphoric acid ; Physical Chemistry ; Solvent extraction ; Stripping ; Toy industry ; Transition metal compounds ; Uranium</subject><ispartof>Journal of radioanalytical and nuclear chemistry, 2010-04, Vol.284 (1), p.201-205</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2010</rights><rights>COPYRIGHT 2010 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-1cc2efd76657c065d198047206050efc70d14c1ebdd4162003b1790e05dc94193</citedby><cites>FETCH-LOGICAL-c359t-1cc2efd76657c065d198047206050efc70d14c1ebdd4162003b1790e05dc94193</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10967-010-0468-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10967-010-0468-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Biswas, Sujoy</creatorcontrib><creatorcontrib>Singh, D. K.</creatorcontrib><creatorcontrib>Hareendran, K. N.</creatorcontrib><creatorcontrib>Sharma, J. N.</creatorcontrib><creatorcontrib>Roy, S. B.</creatorcontrib><title>Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane</title><title>Journal of radioanalytical and nuclear chemistry</title><addtitle>J Radioanal Nucl Chem</addtitle><description>Solvent extraction of U(VI) with di-isodecyl phosphoric acid (DIDPA)/dodecane from nitric acid medium has been investigated for a wide range of experimental conditions. Effect of various parameters including nitric acid concentration, DIDPA concentration, temperature, stripping agents, and other impurities like rear earths, transition metal ion, boron, aluminum ion on U(VI) extraction has been studied. The species extracted in the organic phase is found to be UO
2
(NO
3
)(HA
2
)·H
2
A
2
at lower acidity (<3.0 M HNO
3
). Increase in temperature lead to the decrease in extraction with the enthalpy change by ∆
H
= −16.27 kJ/mol. Enhancement in extraction of U(VI) from nitric acid medium was observed with the mixture of DIDPA and tri butyl phosphate (TBP). The stripping of U(VI) from organic phase (DIDPA–U(VI)/dodecane) with various reagents followed the order: 4 M H
2
SO
4
> 5% (NH
4
)
2
CO
3
> 8 M HCl > 8 M HNO
3
> Water. High separation factors between U(VI) and impurities suggested that the use of DIDPA for purification of uranium from multi elements bearing solution.</description><subject>Aluminum</subject><subject>Chemical tests and reagents</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diagnostic Radiology</subject><subject>Dissolution</subject><subject>Dodecane</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Impurities</subject><subject>Inorganic Chemistry</subject><subject>Nitric acid</subject><subject>Nuclear Chemistry</subject><subject>Nuclear Physics</subject><subject>Phosphates</subject><subject>Phosphoric acid</subject><subject>Physical Chemistry</subject><subject>Solvent extraction</subject><subject>Stripping</subject><subject>Toy industry</subject><subject>Transition metal compounds</subject><subject>Uranium</subject><issn>0236-5731</issn><issn>1588-2780</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kcFq3DAQhkVpodu0D9Cbbm0PSmcsW7KOISRtINBL06vwSuONgi1tJTts3r5aXHosgxgQ3yfE_zP2EeESAfTXgmCUFoAgoFW9OL1iO-z6XjS6h9dsB41UotMS37J3pTwBgOl7uWPTzWnJg1tCinxPj8NzSJmnkT98vvv1hY85zTyGJQfHBxc8n8mHdeZrCfHAfRChJE_uZeLHx1Tq-Qf6UEqansnzELk_Q0Ok9-zNOEyFPvzdF-zh9ubn9Xdx_-Pb3fXVvXCyM4tA5xoavVaq0w5U59H00OoGFHRAo9PgsXVIe-9bVA2A3KM2QNB5Z1o08oJ92t495vR7pbLYORRH01T_kNZiDWgjW-zbSl5u5GGYyIY4pnMadTzNwaVIY6j3V1JJbRqFWAXcBJdTKZlGe8xhHvKLRbDnJuzWhK1N2HMT9lSdZnNKZeOBsn1Ka441gf9IfwB0_ovr</recordid><startdate>20100401</startdate><enddate>20100401</enddate><creator>Biswas, Sujoy</creator><creator>Singh, D. K.</creator><creator>Hareendran, K. N.</creator><creator>Sharma, J. N.</creator><creator>Roy, S. B.</creator><general>Springer Netherlands</general><general>Springer</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>7SU</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20100401</creationdate><title>Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane</title><author>Biswas, Sujoy ; Singh, D. K. ; Hareendran, K. N. ; Sharma, J. N. ; Roy, S. B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-1cc2efd76657c065d198047206050efc70d14c1ebdd4162003b1790e05dc94193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aluminum</topic><topic>Chemical tests and reagents</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diagnostic Radiology</topic><topic>Dissolution</topic><topic>Dodecane</topic><topic>Hadrons</topic><topic>Heavy Ions</topic><topic>Impurities</topic><topic>Inorganic Chemistry</topic><topic>Nitric acid</topic><topic>Nuclear Chemistry</topic><topic>Nuclear Physics</topic><topic>Phosphates</topic><topic>Phosphoric acid</topic><topic>Physical Chemistry</topic><topic>Solvent extraction</topic><topic>Stripping</topic><topic>Toy industry</topic><topic>Transition metal compounds</topic><topic>Uranium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Biswas, Sujoy</creatorcontrib><creatorcontrib>Singh, D. K.</creatorcontrib><creatorcontrib>Hareendran, K. N.</creatorcontrib><creatorcontrib>Sharma, J. N.</creatorcontrib><creatorcontrib>Roy, S. B.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Biswas, Sujoy</au><au>Singh, D. K.</au><au>Hareendran, K. N.</au><au>Sharma, J. N.</au><au>Roy, S. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane</atitle><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle><stitle>J Radioanal Nucl Chem</stitle><date>2010-04-01</date><risdate>2010</risdate><volume>284</volume><issue>1</issue><spage>201</spage><epage>205</epage><pages>201-205</pages><issn>0236-5731</issn><eissn>1588-2780</eissn><abstract>Solvent extraction of U(VI) with di-isodecyl phosphoric acid (DIDPA)/dodecane from nitric acid medium has been investigated for a wide range of experimental conditions. Effect of various parameters including nitric acid concentration, DIDPA concentration, temperature, stripping agents, and other impurities like rear earths, transition metal ion, boron, aluminum ion on U(VI) extraction has been studied. The species extracted in the organic phase is found to be UO
2
(NO
3
)(HA
2
)·H
2
A
2
at lower acidity (<3.0 M HNO
3
). Increase in temperature lead to the decrease in extraction with the enthalpy change by ∆
H
= −16.27 kJ/mol. Enhancement in extraction of U(VI) from nitric acid medium was observed with the mixture of DIDPA and tri butyl phosphate (TBP). The stripping of U(VI) from organic phase (DIDPA–U(VI)/dodecane) with various reagents followed the order: 4 M H
2
SO
4
> 5% (NH
4
)
2
CO
3
> 8 M HCl > 8 M HNO
3
> Water. High separation factors between U(VI) and impurities suggested that the use of DIDPA for purification of uranium from multi elements bearing solution.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10967-010-0468-x</doi><tpages>5</tpages></addata></record> |
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| language | eng |
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| subjects | Aluminum Chemical tests and reagents Chemistry Chemistry and Materials Science Diagnostic Radiology Dissolution Dodecane Hadrons Heavy Ions Impurities Inorganic Chemistry Nitric acid Nuclear Chemistry Nuclear Physics Phosphates Phosphoric acid Physical Chemistry Solvent extraction Stripping Toy industry Transition metal compounds Uranium |
| title | Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane |
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