Selective Recovery of Low-Concentration Light Rare Earth Ions from High-Concentration Ammonium Sulfate System by Coordination Ability
The selective extraction of low-concentration light rare earth ions(LREs) by 1,7-diaza-15-crown-5 ether(2N15C5) from complex ammonium sulfate solutions containing multiple impurity ions was studied, which provides a new method for efficient separation of Ln 3+ from the tail liquid wastewater dischar...
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| creator | Wu, Jianghua Zhang, Duchao Yang, Tianzu Xia, Dasha |
| description | The selective extraction of low-concentration light rare earth ions(LREs) by 1,7-diaza-15-crown-5 ether(2N15C5) from complex ammonium sulfate solutions containing multiple impurity ions was studied, which provides a new method for efficient separation of Ln
3+
from the tail liquid wastewater discharged from in-suit leaching of ion-adsorbed rare earth ores. Liquid–liquid extraction experiments showed that impurity ions affect the extraction distribution of LREs via inducing the formation of rare earth ammonium sulfate compound salts, and the single-stage extraction coefficients of LREs were 2.20 for aluminum (Al) and 7.80 for iron (Fe) under the condition of pH 1.5 ± 0.5 and [SO
4
2−
]
T
/∑[Ln
3+
] |
| doi_str_mv | 10.1007/s40831-023-00779-x |
| format | Article |
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3+
from the tail liquid wastewater discharged from in-suit leaching of ion-adsorbed rare earth ores. Liquid–liquid extraction experiments showed that impurity ions affect the extraction distribution of LREs via inducing the formation of rare earth ammonium sulfate compound salts, and the single-stage extraction coefficients of LREs were 2.20 for aluminum (Al) and 7.80 for iron (Fe) under the condition of pH 1.5 ± 0.5 and [SO
4
2−
]
T
/∑[Ln
3+
] < 10. Multistage counter-current extraction can further enhance the selective extraction of light rare earth ions with
β
LREs/Al
= 21.41 and
β
LREs/Fe
= 23.33 from the tail liquid wastewater. Density functional theory calculations indicated that steric hindrance caused by size compatibility and electron density-based weak interactions affect the coordination between 2N15C5 and different cations.
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3+
from the tail liquid wastewater discharged from in-suit leaching of ion-adsorbed rare earth ores. Liquid–liquid extraction experiments showed that impurity ions affect the extraction distribution of LREs via inducing the formation of rare earth ammonium sulfate compound salts, and the single-stage extraction coefficients of LREs were 2.20 for aluminum (Al) and 7.80 for iron (Fe) under the condition of pH 1.5 ± 0.5 and [SO
4
2−
]
T
/∑[Ln
3+
] < 10. Multistage counter-current extraction can further enhance the selective extraction of light rare earth ions with
β
LREs/Al
= 21.41 and
β
LREs/Fe
= 23.33 from the tail liquid wastewater. Density functional theory calculations indicated that steric hindrance caused by size compatibility and electron density-based weak interactions affect the coordination between 2N15C5 and different cations.
Graphical Abstract</description><subject>Ammonium sulfate</subject><subject>Coordination</subject><subject>Density functional theory</subject><subject>Earth and Environmental Science</subject><subject>Electron density</subject><subject>Environment</subject><subject>Impurities</subject><subject>Iron</subject><subject>Leaching</subject><subject>Liquid-liquid extraction</subject><subject>Mathematical analysis</subject><subject>Metallic Materials</subject><subject>Rare earth metal ores</subject><subject>Research Article</subject><subject>Steric hindrance</subject><subject>Sustainable Development</subject><subject>Wastewater</subject><issn>2199-3823</issn><issn>2199-3831</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kF1LwzAUhosoOOb-gFcBr6v5aJf2cpTpBgVh0-uQtqdbR5vMJJvrD_B_G-1Q8MKr8_W85yRvENwSfE8w5g82wgkjIaYs9CVPw9NFMKIkTUPm-5c_OWXXwcTaHcaYchZxTkbBxxpaKF1zBLSCUh_B9EjXKNfvYaZVCcoZ6RqtUN5stg6tpAE0l8Zt0VIri2qjO7Twoz_0rOu0ag4dWh_aWjpA69466FDRo0xrUzXqzBVN27j-JriqZWthco7j4PVx_pItwvz5aZnN8rCkHLswYnGSktR_VFIgMfAkSWpGeFFBBUxKzJM0xingqiZRPK1IXZZxBCzmU5zwImbj4G7Yuzf67QDWiZ0-GOVPCprGU4oTipmn6ECVRltroBZ703TS9IJg8eW4GBwX_iHi23Fx8iI2iKyH1QbM7-p_VJ_w-IU-</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Wu, Jianghua</creator><creator>Zhang, Duchao</creator><creator>Yang, Tianzu</creator><creator>Xia, Dasha</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0009-0003-0441-9503</orcidid></search><sort><creationdate>20240301</creationdate><title>Selective Recovery of Low-Concentration Light Rare Earth Ions from High-Concentration Ammonium Sulfate System by Coordination Ability</title><author>Wu, Jianghua ; Zhang, Duchao ; Yang, Tianzu ; Xia, Dasha</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-4358919023a2e15e7888f317bdede3aa0789509e0df1456d1fcc54e3576087b53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Ammonium sulfate</topic><topic>Coordination</topic><topic>Density functional theory</topic><topic>Earth and Environmental Science</topic><topic>Electron density</topic><topic>Environment</topic><topic>Impurities</topic><topic>Iron</topic><topic>Leaching</topic><topic>Liquid-liquid extraction</topic><topic>Mathematical analysis</topic><topic>Metallic Materials</topic><topic>Rare earth metal ores</topic><topic>Research Article</topic><topic>Steric hindrance</topic><topic>Sustainable Development</topic><topic>Wastewater</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Jianghua</creatorcontrib><creatorcontrib>Zhang, Duchao</creatorcontrib><creatorcontrib>Yang, Tianzu</creatorcontrib><creatorcontrib>Xia, Dasha</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of sustainable metallurgy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Jianghua</au><au>Zhang, Duchao</au><au>Yang, Tianzu</au><au>Xia, Dasha</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective Recovery of Low-Concentration Light Rare Earth Ions from High-Concentration Ammonium Sulfate System by Coordination Ability</atitle><jtitle>Journal of sustainable metallurgy</jtitle><stitle>J. Sustain. Metall</stitle><date>2024-03-01</date><risdate>2024</risdate><volume>10</volume><issue>1</issue><spage>206</spage><epage>223</epage><pages>206-223</pages><issn>2199-3823</issn><eissn>2199-3831</eissn><abstract>The selective extraction of low-concentration light rare earth ions(LREs) by 1,7-diaza-15-crown-5 ether(2N15C5) from complex ammonium sulfate solutions containing multiple impurity ions was studied, which provides a new method for efficient separation of Ln
3+
from the tail liquid wastewater discharged from in-suit leaching of ion-adsorbed rare earth ores. Liquid–liquid extraction experiments showed that impurity ions affect the extraction distribution of LREs via inducing the formation of rare earth ammonium sulfate compound salts, and the single-stage extraction coefficients of LREs were 2.20 for aluminum (Al) and 7.80 for iron (Fe) under the condition of pH 1.5 ± 0.5 and [SO
4
2−
]
T
/∑[Ln
3+
] < 10. Multistage counter-current extraction can further enhance the selective extraction of light rare earth ions with
β
LREs/Al
= 21.41 and
β
LREs/Fe
= 23.33 from the tail liquid wastewater. Density functional theory calculations indicated that steric hindrance caused by size compatibility and electron density-based weak interactions affect the coordination between 2N15C5 and different cations.
Graphical Abstract</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s40831-023-00779-x</doi><tpages>18</tpages><orcidid>https://orcid.org/0009-0003-0441-9503</orcidid></addata></record> |
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| subjects | Ammonium sulfate Coordination Density functional theory Earth and Environmental Science Electron density Environment Impurities Iron Leaching Liquid-liquid extraction Mathematical analysis Metallic Materials Rare earth metal ores Research Article Steric hindrance Sustainable Development Wastewater |
| title | Selective Recovery of Low-Concentration Light Rare Earth Ions from High-Concentration Ammonium Sulfate System by Coordination Ability |
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