Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336
Extraction of valuable rare-earth elements (REEs) from red mud is important for both resource recovery and waste treatment of red mud. However, the Fe present in red mud makes the extraction of REEs unsatisfactory, because Fe(III) is co-extracted and is difficult to remove. In this study, the feasib...
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| Veröffentlicht in: | JOM (1989) 2019-12, Vol.71 (12), p.4608-4615 |
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| creator | Zhang, Xuekai Zhou, Kanggen Lei, Qingyuan Huang, Ying Peng, Changhong Chen, Wei |
| description | Extraction of valuable rare-earth elements (REEs) from red mud is important for both resource recovery and waste treatment of red mud. However, the Fe present in red mud makes the extraction of REEs unsatisfactory, because Fe(III) is co-extracted and is difficult to remove. In this study, the feasibility and mechanism of selective removal of Fe from the acid leachate of red mud using Aliquat 336 were investigated. According to the theoretical calculation, Fe(III) mainly existed as FeCl
3
species in a wide range of chloride concentrations, and the concentration of FeCl
4
−
species significantly increased with chloride concentration. The extraction studies show that the chloride concentration strongly affects the extraction of Fe. The Fe removal efficiency is > 98% when the chloride concentration is 2.65 mol L
−1
, while the loss of REEs is 90% under the optimal conditions. |
| doi_str_mv | 10.1007/s11837-019-03801-4 |
| format | Article |
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3
species in a wide range of chloride concentrations, and the concentration of FeCl
4
−
species significantly increased with chloride concentration. The extraction studies show that the chloride concentration strongly affects the extraction of Fe. The Fe removal efficiency is > 98% when the chloride concentration is 2.65 mol L
−1
, while the loss of REEs is < 7%. Dilute HCl acid was selected as the stripping agent; the stripping efficiency of Fe in one stripping stage reached > 90% under the optimal conditions.</description><identifier>ISSN: 1047-4838</identifier><identifier>EISSN: 1543-1851</identifier><identifier>DOI: 10.1007/s11837-019-03801-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Acids ; Aliquat ; Aqueous solutions ; Chemistry/Food Science ; Chloride ; Earth Sciences ; Efficiency ; Energy consumption ; Engineering ; Environment ; Feasibility studies ; Ferric chloride ; Fourier transforms ; Iron chlorides ; Kerosene ; Leachates ; Physics ; Rare earth elements ; Rare Metal Recovery from Secondary Resources ; Red mud ; Resource recovery ; Solvent extraction processes ; Spectrum analysis ; Stripping ; Waste treatment</subject><ispartof>JOM (1989), 2019-12, Vol.71 (12), p.4608-4615</ispartof><rights>The Minerals, Metals & Materials Society 2019</rights><rights>Copyright Springer Nature B.V. Dec 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-c8d785a0c9f816b299611ed9b15c0ef0b5d0698693b2d5ae8a87ba8660138f4b3</citedby><cites>FETCH-LOGICAL-c356t-c8d785a0c9f816b299611ed9b15c0ef0b5d0698693b2d5ae8a87ba8660138f4b3</cites><orcidid>0000-0002-1812-8112</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11837-019-03801-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11837-019-03801-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Zhang, Xuekai</creatorcontrib><creatorcontrib>Zhou, Kanggen</creatorcontrib><creatorcontrib>Lei, Qingyuan</creatorcontrib><creatorcontrib>Huang, Ying</creatorcontrib><creatorcontrib>Peng, Changhong</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><title>Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336</title><title>JOM (1989)</title><addtitle>JOM</addtitle><description>Extraction of valuable rare-earth elements (REEs) from red mud is important for both resource recovery and waste treatment of red mud. However, the Fe present in red mud makes the extraction of REEs unsatisfactory, because Fe(III) is co-extracted and is difficult to remove. In this study, the feasibility and mechanism of selective removal of Fe from the acid leachate of red mud using Aliquat 336 were investigated. According to the theoretical calculation, Fe(III) mainly existed as FeCl
3
species in a wide range of chloride concentrations, and the concentration of FeCl
4
−
species significantly increased with chloride concentration. The extraction studies show that the chloride concentration strongly affects the extraction of Fe. The Fe removal efficiency is > 98% when the chloride concentration is 2.65 mol L
−1
, while the loss of REEs is < 7%. Dilute HCl acid was selected as the stripping agent; the stripping efficiency of Fe in one stripping stage reached > 90% under the optimal conditions.</description><subject>Acids</subject><subject>Aliquat</subject><subject>Aqueous solutions</subject><subject>Chemistry/Food Science</subject><subject>Chloride</subject><subject>Earth Sciences</subject><subject>Efficiency</subject><subject>Energy consumption</subject><subject>Engineering</subject><subject>Environment</subject><subject>Feasibility studies</subject><subject>Ferric chloride</subject><subject>Fourier transforms</subject><subject>Iron chlorides</subject><subject>Kerosene</subject><subject>Leachates</subject><subject>Physics</subject><subject>Rare earth elements</subject><subject>Rare Metal Recovery from Secondary Resources</subject><subject>Red mud</subject><subject>Resource recovery</subject><subject>Solvent extraction processes</subject><subject>Spectrum analysis</subject><subject>Stripping</subject><subject>Waste treatment</subject><issn>1047-4838</issn><issn>1543-1851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kNFKwzAUhoMoOKcv4FXA62hOk6Ynl2M4HVSEqdchTVPt6NYtaQd7ezsreOfVOXD-7z_wEXIL_B44zx4iAIqMcdCMC-TA5BmZQCoFA0zhfNi5zJhEgZfkKsY1HyCpYUIWb77xrqsPnq78pj3YhrYVXYZ2S6vQbujM1SXNvXVftvOn08qX9KUvaXGks6be97ajQqhrclHZJvqb3zklH4vH9_kzy1-flvNZzpxIVccclhmmljtdIagi0VoB-FIXkDruK16kJVcalRZFUqbWo8WssKgUB4GVLMSU3I29u9Duex87s277sB1emkSizhBQ8yGVjCkX2hiDr8wu1Bsbjga4Ofkyoy8z-DI_vowcIDFCcQhvP334q_6H-gZprWre</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Zhang, Xuekai</creator><creator>Zhou, Kanggen</creator><creator>Lei, Qingyuan</creator><creator>Huang, Ying</creator><creator>Peng, Changhong</creator><creator>Chen, Wei</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7SR</scope><scope>7TA</scope><scope>7WY</scope><scope>7XB</scope><scope>883</scope><scope>88I</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8FL</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>K60</scope><scope>K6~</scope><scope>KB.</scope><scope>L.-</scope><scope>M0F</scope><scope>M2P</scope><scope>PDBOC</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>S0X</scope><orcidid>https://orcid.org/0000-0002-1812-8112</orcidid></search><sort><creationdate>20191201</creationdate><title>Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336</title><author>Zhang, Xuekai ; Zhou, Kanggen ; Lei, Qingyuan ; Huang, Ying ; Peng, Changhong ; Chen, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-c8d785a0c9f816b299611ed9b15c0ef0b5d0698693b2d5ae8a87ba8660138f4b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Acids</topic><topic>Aliquat</topic><topic>Aqueous solutions</topic><topic>Chemistry/Food Science</topic><topic>Chloride</topic><topic>Earth Sciences</topic><topic>Efficiency</topic><topic>Energy consumption</topic><topic>Engineering</topic><topic>Environment</topic><topic>Feasibility studies</topic><topic>Ferric chloride</topic><topic>Fourier transforms</topic><topic>Iron chlorides</topic><topic>Kerosene</topic><topic>Leachates</topic><topic>Physics</topic><topic>Rare earth elements</topic><topic>Rare Metal Recovery from Secondary Resources</topic><topic>Red mud</topic><topic>Resource recovery</topic><topic>Solvent extraction processes</topic><topic>Spectrum analysis</topic><topic>Stripping</topic><topic>Waste treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xuekai</creatorcontrib><creatorcontrib>Zhou, Kanggen</creatorcontrib><creatorcontrib>Lei, Qingyuan</creatorcontrib><creatorcontrib>Huang, Ying</creatorcontrib><creatorcontrib>Peng, Changhong</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>University Readers</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Access via ABI/INFORM (ProQuest)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ABI/INFORM Trade & Industry (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ABI/INFORM Collection (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Business Premium Collection</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Business Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>ProQuest Business Collection (Alumni Edition)</collection><collection>ProQuest Business Collection</collection><collection>Materials Science Database</collection><collection>ABI/INFORM Professional Advanced</collection><collection>ABI/INFORM Trade & Industry</collection><collection>Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Business</collection><collection>ProQuest One Business (Alumni)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>JOM (1989)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Xuekai</au><au>Zhou, Kanggen</au><au>Lei, Qingyuan</au><au>Huang, Ying</au><au>Peng, Changhong</au><au>Chen, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336</atitle><jtitle>JOM (1989)</jtitle><stitle>JOM</stitle><date>2019-12-01</date><risdate>2019</risdate><volume>71</volume><issue>12</issue><spage>4608</spage><epage>4615</epage><pages>4608-4615</pages><issn>1047-4838</issn><eissn>1543-1851</eissn><abstract>Extraction of valuable rare-earth elements (REEs) from red mud is important for both resource recovery and waste treatment of red mud. However, the Fe present in red mud makes the extraction of REEs unsatisfactory, because Fe(III) is co-extracted and is difficult to remove. In this study, the feasibility and mechanism of selective removal of Fe from the acid leachate of red mud using Aliquat 336 were investigated. According to the theoretical calculation, Fe(III) mainly existed as FeCl
3
species in a wide range of chloride concentrations, and the concentration of FeCl
4
−
species significantly increased with chloride concentration. The extraction studies show that the chloride concentration strongly affects the extraction of Fe. The Fe removal efficiency is > 98% when the chloride concentration is 2.65 mol L
−1
, while the loss of REEs is < 7%. Dilute HCl acid was selected as the stripping agent; the stripping efficiency of Fe in one stripping stage reached > 90% under the optimal conditions.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11837-019-03801-4</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-1812-8112</orcidid></addata></record> |
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| subjects | Acids Aliquat Aqueous solutions Chemistry/Food Science Chloride Earth Sciences Efficiency Energy consumption Engineering Environment Feasibility studies Ferric chloride Fourier transforms Iron chlorides Kerosene Leachates Physics Rare earth elements Rare Metal Recovery from Secondary Resources Red mud Resource recovery Solvent extraction processes Spectrum analysis Stripping Waste treatment |
| title | Selective Removal of Iron from Acid Leachate of Red Mud by Aliquat 336 |
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