Extraction equilibria of lithium with N,N-bis(2-ethylhexyl)-3-oxobutanamide and tributyl phosphate in kerosene and FeCl3
The application of the β-carbonyl amide N,N-bis(2-ethylhexyl)-3-oxobutanamide for the extraction of lithium ions from saturated MgCl2 solutions was investigated using tributyl phosphate (TBP) as the second component in a mixed extractant and FeCl3 as the co-extractant. The effects of the extractant...
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| Veröffentlicht in: | Hydrometallurgy 2016-09, Vol.164, p.304-312 |
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| creator | Ji, Lianmin Li, Lijuan Shi, Dong Li, Jinfeng Liu, Zhiqi Xu, Defang Song, Xuexue |
| description | The application of the β-carbonyl amide N,N-bis(2-ethylhexyl)-3-oxobutanamide for the extraction of lithium ions from saturated MgCl2 solutions was investigated using tributyl phosphate (TBP) as the second component in a mixed extractant and FeCl3 as the co-extractant. The effects of the extractant concentrations, H+ solution concentrations, phase ratios, Fe/Li molar ratios, and other factors on the extraction were fully investigated. Our results demonstrate that compared to conventional extraction systems, a higher Li-to-Mg separation factor of 450–700 can be obtained, and the formation of phase interface objects can be effectively avoided under low solution acidity without emulsification. The mechanism suggests that (LiFeCl4·2TBP·NB2EHOTA)·4TBP·NB2EHOTA is formed at lower (10%) TBP/NB2EHOTA mixed concentrations. This paper reports the application of β-carbonyl amide extractants for Li separation from salt lake brine with high Mg-to-Li ratios.
•βMgLi (450–700) was obtained.•Phase interface objects were avoided.•Study revealed (LiFeCl4⋅2TBP⋅NB2EHOTA)⋅4TBP⋅NB2EHOTA. |
| doi_str_mv | 10.1016/j.hydromet.2016.06.022 |
| format | Article |
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•βMgLi (450–700) was obtained.•Phase interface objects were avoided.•Study revealed (LiFeCl4⋅2TBP⋅NB2EHOTA)⋅4TBP⋅NB2EHOTA.</description><identifier>ISSN: 0304-386X</identifier><identifier>EISSN: 1879-1158</identifier><identifier>DOI: 10.1016/j.hydromet.2016.06.022</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Amides ; Hydrometallurgy ; Kerosene ; Lithium ; Lithium chloride ; Lithium ions ; Phase ratio ; Phosphates ; Separation ; Solvent extraction ; Tributyl phosphate ; β-Carbonyl amide extractant</subject><ispartof>Hydrometallurgy, 2016-09, Vol.164, p.304-312</ispartof><rights>2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-9957-4554</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304386X16303838$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Ji, Lianmin</creatorcontrib><creatorcontrib>Li, Lijuan</creatorcontrib><creatorcontrib>Shi, Dong</creatorcontrib><creatorcontrib>Li, Jinfeng</creatorcontrib><creatorcontrib>Liu, Zhiqi</creatorcontrib><creatorcontrib>Xu, Defang</creatorcontrib><creatorcontrib>Song, Xuexue</creatorcontrib><title>Extraction equilibria of lithium with N,N-bis(2-ethylhexyl)-3-oxobutanamide and tributyl phosphate in kerosene and FeCl3</title><title>Hydrometallurgy</title><description>The application of the β-carbonyl amide N,N-bis(2-ethylhexyl)-3-oxobutanamide for the extraction of lithium ions from saturated MgCl2 solutions was investigated using tributyl phosphate (TBP) as the second component in a mixed extractant and FeCl3 as the co-extractant. The effects of the extractant concentrations, H+ solution concentrations, phase ratios, Fe/Li molar ratios, and other factors on the extraction were fully investigated. Our results demonstrate that compared to conventional extraction systems, a higher Li-to-Mg separation factor of 450–700 can be obtained, and the formation of phase interface objects can be effectively avoided under low solution acidity without emulsification. The mechanism suggests that (LiFeCl4·2TBP·NB2EHOTA)·4TBP·NB2EHOTA is formed at lower (10%) TBP/NB2EHOTA mixed concentrations. This paper reports the application of β-carbonyl amide extractants for Li separation from salt lake brine with high Mg-to-Li ratios.
•βMgLi (450–700) was obtained.•Phase interface objects were avoided.•Study revealed (LiFeCl4⋅2TBP⋅NB2EHOTA)⋅4TBP⋅NB2EHOTA.</description><subject>Amides</subject><subject>Hydrometallurgy</subject><subject>Kerosene</subject><subject>Lithium</subject><subject>Lithium chloride</subject><subject>Lithium ions</subject><subject>Phase ratio</subject><subject>Phosphates</subject><subject>Separation</subject><subject>Solvent extraction</subject><subject>Tributyl phosphate</subject><subject>β-Carbonyl amide extractant</subject><issn>0304-386X</issn><issn>1879-1158</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNo1kF9LwzAUxYMoOKdfQfI4wdT8WbPsTRmbCmO-KPgW0uaWZmbN1qS6fXs7pnDgcC-_ezkchG4ZzRhl8mGd1Qfbhg2kjPdzRntxfoYGTE2mhLFcnaMBFXRMhJKfl-gqxjWlVIoJG6D9fJ9aUyYXGgy7znlXtM7gUGHvUu26Df7pHa_uV6RwccQJpPrga9gf_B0RJOxD0SXTmI2zgE1jcWpdvzl4vK1D3NYmAXYN_oI2RGhOyAJmXlyji8r4CDd_PkQfi_n77IUs355fZ09LAlzxRISVihpqZCULw4HBmLOxNIZba8FM81wpKYop5FQIKqYV5IViVWH5GIRlwMQQjU5_t23YdRCT3rhYgvemgdBFzZTIZX8qJz36eEKhz_PtoNWxdNCUYF0LZdI2OM2oPpau1_q_dH0sXdNenItfoIV65A</recordid><startdate>20160901</startdate><enddate>20160901</enddate><creator>Ji, Lianmin</creator><creator>Li, Lijuan</creator><creator>Shi, Dong</creator><creator>Li, Jinfeng</creator><creator>Liu, Zhiqi</creator><creator>Xu, Defang</creator><creator>Song, Xuexue</creator><general>Elsevier B.V</general><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-9957-4554</orcidid></search><sort><creationdate>20160901</creationdate><title>Extraction equilibria of lithium with N,N-bis(2-ethylhexyl)-3-oxobutanamide and tributyl phosphate in kerosene and FeCl3</title><author>Ji, Lianmin ; Li, Lijuan ; Shi, Dong ; Li, Jinfeng ; Liu, Zhiqi ; Xu, Defang ; Song, Xuexue</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e282t-3d680a0a6f6ba2e1e42146aa2dddea9558863b9e5033039fe5b81fbd24e3d1e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Amides</topic><topic>Hydrometallurgy</topic><topic>Kerosene</topic><topic>Lithium</topic><topic>Lithium chloride</topic><topic>Lithium ions</topic><topic>Phase ratio</topic><topic>Phosphates</topic><topic>Separation</topic><topic>Solvent extraction</topic><topic>Tributyl phosphate</topic><topic>β-Carbonyl amide extractant</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ji, Lianmin</creatorcontrib><creatorcontrib>Li, Lijuan</creatorcontrib><creatorcontrib>Shi, Dong</creatorcontrib><creatorcontrib>Li, Jinfeng</creatorcontrib><creatorcontrib>Liu, Zhiqi</creatorcontrib><creatorcontrib>Xu, Defang</creatorcontrib><creatorcontrib>Song, Xuexue</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Hydrometallurgy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ji, Lianmin</au><au>Li, Lijuan</au><au>Shi, Dong</au><au>Li, Jinfeng</au><au>Liu, Zhiqi</au><au>Xu, Defang</au><au>Song, Xuexue</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction equilibria of lithium with N,N-bis(2-ethylhexyl)-3-oxobutanamide and tributyl phosphate in kerosene and FeCl3</atitle><jtitle>Hydrometallurgy</jtitle><date>2016-09-01</date><risdate>2016</risdate><volume>164</volume><spage>304</spage><epage>312</epage><pages>304-312</pages><issn>0304-386X</issn><eissn>1879-1158</eissn><abstract>The application of the β-carbonyl amide N,N-bis(2-ethylhexyl)-3-oxobutanamide for the extraction of lithium ions from saturated MgCl2 solutions was investigated using tributyl phosphate (TBP) as the second component in a mixed extractant and FeCl3 as the co-extractant. The effects of the extractant concentrations, H+ solution concentrations, phase ratios, Fe/Li molar ratios, and other factors on the extraction were fully investigated. Our results demonstrate that compared to conventional extraction systems, a higher Li-to-Mg separation factor of 450–700 can be obtained, and the formation of phase interface objects can be effectively avoided under low solution acidity without emulsification. The mechanism suggests that (LiFeCl4·2TBP·NB2EHOTA)·4TBP·NB2EHOTA is formed at lower (10%) TBP/NB2EHOTA mixed concentrations. This paper reports the application of β-carbonyl amide extractants for Li separation from salt lake brine with high Mg-to-Li ratios.
•βMgLi (450–700) was obtained.•Phase interface objects were avoided.•Study revealed (LiFeCl4⋅2TBP⋅NB2EHOTA)⋅4TBP⋅NB2EHOTA.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.hydromet.2016.06.022</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-9957-4554</orcidid></addata></record> |
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| subjects | Amides Hydrometallurgy Kerosene Lithium Lithium chloride Lithium ions Phase ratio Phosphates Separation Solvent extraction Tributyl phosphate β-Carbonyl amide extractant |
| title | Extraction equilibria of lithium with N,N-bis(2-ethylhexyl)-3-oxobutanamide and tributyl phosphate in kerosene and FeCl3 |
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