发明名称 |
METHOD OF EXTRACTING TERBIUM (III) FROM AQUEOUS SALT SOLUTIONS |
摘要 |
FIELD: chemistry.SUBSTANCE: terbium (III) cation floatation extraction process employs as the organic phase an isooctyl alcohol and as the surfactant-type collector - sodium dodecyl sulphate, in a concentration which corresponds to the stoichiometric reaction: Tb+3NaDS=Tb(DS)+3Na, where Tbis a terbium (III) cation, DSis a dodecyl sulphate ion. Floatation extraction is carried out at pH=7.5-8.0 and ratio of the organic phase to the aqueous phase of 1/20-1/40.EFFECT: high degree of extraction.2 dwg |
申请公布号 |
RU2567634(C1) |
申请公布日期 |
2015.11.10 |
申请号 |
RU20140129543 |
申请日期 |
2014.07.17 |
申请人 |
FEDERAL'NOE GOSUDARSTVENNOE BJUDZHETNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "NATSIONAL'NYJ MINERAL'NO-SYR'EVOJ UNIVERSITET "GORNYJ" |
发明人 |
LOBACHEVA OL'GA LEONIDOVNA;LITVINOVA TAT'JANA SERGEEVNA |
分类号 |
C22B59/00;B03D1/00;C22B3/26 |
主分类号 |
C22B59/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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