Removing aluminum from a low-concentration lixivium of weathered crust elution-deposited rare earth ore with neutralizing hydrolysis
Aluminum,the main impurity in the lixivium of weathered crust elution deposited rare earth ore,not only results in an increasing consumption of precipitant in the rare earth precipitation process,but also lowers the purity of final rare earth product.Aluminum in the weathered crust elution-deposited...
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| Veröffentlicht in: | Rare metals 2017-08, Vol.36 (8), p.685-690 |
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| creator | Luo, Xian-Ping Zou, Li-Ping Ma, Pei-Long Luo, Cai-Gui Xu, Jing Tang, Xue-Kun |
| description | Aluminum,the main impurity in the lixivium of weathered crust elution deposited rare earth ore,not only results in an increasing consumption of precipitant in the rare earth precipitation process,but also lowers the purity of final rare earth product.Aluminum in the weathered crust elution-deposited rare earth ore lixivium should be removed.Neutralizing hydrolysis method was employed to remove aluminum from the lixivium.Hexamethylenetetramine was found to be the optimum pH regulator for the removal of aluminum in the low concentration.When used to adjust the pH value of the lixivium to 5.0,aluminum in the lixivium can be effectively removed in the form of aluminum hydroxide precipitation with removal rate of 97.60%.It shows that hexamethylenetetramine has a good effect on the removing of aluminum ions from the lowconcentration lixivium.Moreover,hexamethylenetetramine in removing aluminum from lixivium has little adverse effect on the RE precipitation process. |
| doi_str_mv | 10.1007/s12598-015-0621-3 |
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to remove aluminum from the lixivium.Hexamethylenetetramine was found to be the optimum pH regulator for the removal of aluminum in the low concentration.When used to adjust the pH value of the lixivium to 5.0,aluminum in the lixivium can be effectively removed in the form of aluminum hydroxide precipitation with removal rate of 97.60%.It shows that hexamethylenetetramine has a good effect on the removing of aluminum ions from the lowconcentration lixivium.Moreover,hexamethylenetetramine in removing aluminum from lixivium has little adverse effect on the RE precipitation process.</description><identifier>ISSN: 1001-0521</identifier><identifier>EISSN: 1867-7185</identifier><identifier>DOI: 10.1007/s12598-015-0621-3</identifier><language>eng</language><publisher>Beijing: Nonferrous Metals Society of China</publisher><subject>Aluminum ; Aluminum hydroxide ; Biomaterials ; Chemistry and Materials Science ; Earth crust ; Elution ; Energy ; Hexamethylenetetramine ; Hydrolysis ; Materials Engineering ; Materials Science ; Metallic Materials ; Nanoscale Science and Technology ; Neutralizing ; Physical Chemistry ; pH值调节剂 ; Purity ; Rare earth elements ; 中和水解法 ; 低浓度 ; 六次甲基四胺 ; 沉淀剂 ; 浸出液 ; 除铝 ; 风化壳淋积型稀土矿</subject><ispartof>Rare metals, 2017-08, Vol.36 (8), p.685-690</ispartof><rights>The Nonferrous Metals Society of China and Springer-Verlag Berlin Heidelberg 2015</rights><rights>Rare Metals is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-b1c1df2855ef7979a3e88add32d593664a76c24d18f2b9b0c03766ffe8f7d9823</citedby><cites>FETCH-LOGICAL-c343t-b1c1df2855ef7979a3e88add32d593664a76c24d18f2b9b0c03766ffe8f7d9823</cites><orcidid>0000-0001-9966-7400</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85314X/85314X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12598-015-0621-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12598-015-0621-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Luo, Xian-Ping</creatorcontrib><creatorcontrib>Zou, Li-Ping</creatorcontrib><creatorcontrib>Ma, Pei-Long</creatorcontrib><creatorcontrib>Luo, Cai-Gui</creatorcontrib><creatorcontrib>Xu, Jing</creatorcontrib><creatorcontrib>Tang, Xue-Kun</creatorcontrib><title>Removing aluminum from a low-concentration lixivium of weathered crust elution-deposited rare earth ore with neutralizing hydrolysis</title><title>Rare metals</title><addtitle>Rare Met</addtitle><addtitle>Rare Metals</addtitle><description>Aluminum,the main impurity in the lixivium of weathered crust elution deposited rare earth ore,not only results in an increasing consumption of precipitant in the rare earth precipitation process,but also lowers the purity of final rare earth product.Aluminum in the weathered crust elution-deposited rare earth ore lixivium should be removed.Neutralizing hydrolysis method was employed to remove aluminum from the lixivium.Hexamethylenetetramine was found to be the optimum pH regulator for the removal of aluminum in the low concentration.When used to adjust the pH value of the lixivium to 5.0,aluminum in the lixivium can be effectively removed in the form of aluminum hydroxide precipitation with removal rate of 97.60%.It shows that hexamethylenetetramine has a good effect on the removing of aluminum ions from the lowconcentration lixivium.Moreover,hexamethylenetetramine in removing aluminum from lixivium has little adverse effect on the RE precipitation process.</description><subject>Aluminum</subject><subject>Aluminum hydroxide</subject><subject>Biomaterials</subject><subject>Chemistry and Materials Science</subject><subject>Earth crust</subject><subject>Elution</subject><subject>Energy</subject><subject>Hexamethylenetetramine</subject><subject>Hydrolysis</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoscale Science and Technology</subject><subject>Neutralizing</subject><subject>Physical Chemistry</subject><subject>pH值调节剂</subject><subject>Purity</subject><subject>Rare earth elements</subject><subject>中和水解法</subject><subject>低浓度</subject><subject>六次甲基四胺</subject><subject>沉淀剂</subject><subject>浸出液</subject><subject>除铝</subject><subject>风化壳淋积型稀土矿</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kE1r3DAYhE1oINukP6A30ZyV6sOW5GMJaVIIBEpzFlrr1VrBlnYlO9vNOT88MhtKTzlpEM_MvExVfaXkihIiv2fKmlZhQhtMBKOYn1QrqoTEkqrmU9GEUEwaRs-qzzk_EVLXQpBV9fobxvjswwaZYR59mEfkUhyRQUPc4y6GDsKUzORjQIP_6599IaJDezBTDwks6tKcJwTDvDDYwjZmP5X_ZBIgMGnqUSxq74sIMJewwb8shf3Bpjgcss8X1akzQ4Yv7-959fjz5s_1Hb5_uP11_eMed7zmE17TjlrHVNOAk61sDQeljLWc2ablQtRGio7VlirH1u2adIRLIZwD5aRtFePn1eUxd5viboY86ac4p1AqNW2pVIyJmheKHqkuxZwTOL1NfjTpoCnRy9j6OLYuY-tlbL142NGTCxs2kP5L_sD07b2oj2GzK75_TULycowkkr8BegeQ6A</recordid><startdate>20170801</startdate><enddate>20170801</enddate><creator>Luo, Xian-Ping</creator><creator>Zou, Li-Ping</creator><creator>Ma, 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Pei-Long ; Luo, Cai-Gui ; Xu, Jing ; Tang, Xue-Kun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-b1c1df2855ef7979a3e88add32d593664a76c24d18f2b9b0c03766ffe8f7d9823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum</topic><topic>Aluminum hydroxide</topic><topic>Biomaterials</topic><topic>Chemistry and Materials Science</topic><topic>Earth crust</topic><topic>Elution</topic><topic>Energy</topic><topic>Hexamethylenetetramine</topic><topic>Hydrolysis</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanoscale Science and Technology</topic><topic>Neutralizing</topic><topic>Physical Chemistry</topic><topic>pH值调节剂</topic><topic>Purity</topic><topic>Rare earth 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Xue-Kun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Removing aluminum from a low-concentration lixivium of weathered crust elution-deposited rare earth ore with neutralizing hydrolysis</atitle><jtitle>Rare metals</jtitle><stitle>Rare Met</stitle><addtitle>Rare Metals</addtitle><date>2017-08-01</date><risdate>2017</risdate><volume>36</volume><issue>8</issue><spage>685</spage><epage>690</epage><pages>685-690</pages><issn>1001-0521</issn><eissn>1867-7185</eissn><abstract>Aluminum,the main impurity in the lixivium of weathered crust elution deposited rare earth ore,not only results in an increasing consumption of precipitant in the rare earth precipitation process,but also lowers the purity of final rare earth product.Aluminum in the weathered crust elution-deposited rare earth ore lixivium should be removed.Neutralizing hydrolysis method was employed to remove aluminum from the lixivium.Hexamethylenetetramine was found to be the optimum pH regulator for the removal of aluminum in the low concentration.When used to adjust the pH value of the lixivium to 5.0,aluminum in the lixivium can be effectively removed in the form of aluminum hydroxide precipitation with removal rate of 97.60%.It shows that hexamethylenetetramine has a good effect on the removing of aluminum ions from the lowconcentration lixivium.Moreover,hexamethylenetetramine in removing aluminum from lixivium has little adverse effect on the RE precipitation process.</abstract><cop>Beijing</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-015-0621-3</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-9966-7400</orcidid></addata></record> |
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| subjects | Aluminum Aluminum hydroxide Biomaterials Chemistry and Materials Science Earth crust Elution Energy Hexamethylenetetramine Hydrolysis Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Neutralizing Physical Chemistry pH值调节剂 Purity Rare earth elements 中和水解法 低浓度 六次甲基四胺 沉淀剂 浸出液 除铝 风化壳淋积型稀土矿 |
| title | Removing aluminum from a low-concentration lixivium of weathered crust elution-deposited rare earth ore with neutralizing hydrolysis |
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