Purification of rare earth chloride liquor associated with high-grade monazite exploitation
Removal of the non-desired impurities (radionuclides, Th(IV) and Fe(III)) with Ln(III) in high-grade monazite was developed. The chromate solution and pH are the factors controlling removal of the non-desired impurities. At pH 3, removal of radionuclides and Fe(III) was 30 and 60%, respectively, whe...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2019-03, Vol.319 (3), p.1173-1184 |
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| container_title | Journal of radioanalytical and nuclear chemistry |
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| creator | Shahr El-Din, A. M. El Afifi, E. M. Borai, E. H. |
| description | Removal of the non-desired impurities (radionuclides, Th(IV) and Fe(III)) with Ln(III) in high-grade monazite was developed. The chromate solution and pH are the factors controlling removal of the non-desired impurities. At pH 3, removal of radionuclides and Fe(III) was 30 and 60%, respectively, whereas Th(IV) interfered with Ln(III) liquor. When liquor was treated by 0.23 M chromate solution at pH 3, ~ 98% of Th(IV) and Fe(III) was removed and ~ 70% of radionuclides was removed from Ln(III) liquor with loss ≤ 20% is low compared with a previous study. Thus, exploitation of valuable Ln(III) can be done safely using the optimized chromate solution. |
| doi_str_mv | 10.1007/s10967-018-6389-9 |
| format | Article |
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Thus, exploitation of valuable Ln(III) can be done safely using the optimized chromate solution.</description><identifier>ISSN: 0236-5731</identifier><identifier>EISSN: 1588-2780</identifier><identifier>DOI: 10.1007/s10967-018-6389-9</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Chemistry ; Chemistry and Materials Science ; Chromates ; Diagnostic Radiology ; Exploitation ; Hadrons ; Heavy Ions ; Impurities ; Inorganic Chemistry ; Liquor ; Monazite ; Nuclear Chemistry ; Nuclear Physics ; Physical Chemistry ; Radioisotopes ; Rare earth compounds ; Thorium</subject><ispartof>Journal of radioanalytical and nuclear chemistry, 2019-03, Vol.319 (3), p.1173-1184</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2018</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-578e6342eb8c97b825296b4ae122f2f75d59f28597791fb9ef1b7a1042c9de013</citedby><cites>FETCH-LOGICAL-c316t-578e6342eb8c97b825296b4ae122f2f75d59f28597791fb9ef1b7a1042c9de013</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/s10967-018-6389-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10967-018-6389-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Shahr El-Din, A. 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Thus, exploitation of valuable Ln(III) can be done safely using the optimized chromate solution.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chromates</subject><subject>Diagnostic Radiology</subject><subject>Exploitation</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Impurities</subject><subject>Inorganic Chemistry</subject><subject>Liquor</subject><subject>Monazite</subject><subject>Nuclear Chemistry</subject><subject>Nuclear Physics</subject><subject>Physical Chemistry</subject><subject>Radioisotopes</subject><subject>Rare earth compounds</subject><subject>Thorium</subject><issn>0236-5731</issn><issn>1588-2780</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kD1PwzAQhi0EEqXwA9giMRt8TuKPEVVAkSrBABOD5SR24yqNWzsRH78elyAxMd1wz_Pe6UXoEsg1EMJvIhDJOCYgMMuFxPIIzaAUAlMuyDGaEZozXPIcTtFZjBtCiBQin6G35zE462o9ON9n3mZBB5MZHYY2q9vOB9eYrHP70YdMx-hrpwfTZO8u7Vu3bvE66ERsfa-_3JDMj13n3fATd45OrO6iufidc_R6f_eyWOLV08Pj4naF6xzYkL4ShuUFNZWoJa8ELalkVaENUGqp5WVTSktFKTmXYCtpLFRcAyloLRtDIJ-jqyl3F_x-NHFQGz-GPp1UFATjnBdFkSiYqDr4GIOxahfcVodPBUQdOlRThyp1qA4dKpkcOjkxsf3ahL_k_6VvhE91IQ</recordid><startdate>20190315</startdate><enddate>20190315</enddate><creator>Shahr El-Din, A. 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The chromate solution and pH are the factors controlling removal of the non-desired impurities. At pH 3, removal of radionuclides and Fe(III) was 30 and 60%, respectively, whereas Th(IV) interfered with Ln(III) liquor. When liquor was treated by 0.23 M chromate solution at pH 3, ~ 98% of Th(IV) and Fe(III) was removed and ~ 70% of radionuclides was removed from Ln(III) liquor with loss ≤ 20% is low compared with a previous study. Thus, exploitation of valuable Ln(III) can be done safely using the optimized chromate solution.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10967-018-6389-9</doi><tpages>12</tpages></addata></record> |
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| subjects | Chemistry Chemistry and Materials Science Chromates Diagnostic Radiology Exploitation Hadrons Heavy Ions Impurities Inorganic Chemistry Liquor Monazite Nuclear Chemistry Nuclear Physics Physical Chemistry Radioisotopes Rare earth compounds Thorium |
| title | Purification of rare earth chloride liquor associated with high-grade monazite exploitation |
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