New environment-friendly approach for bastnasite metallurgic treatment (I): Extraction of tetravalent cerium from sulphuric acid medium with Di(2-ethylhexyl) phosphoric acid

Journal of Rare Earths

Volumn 23, Issue 2, 2005, Pages 178-182

  Zhu, Zhaowu ^a   Zhao, Na ^a   Long, Zhiqi ^a   Li, Dedong ^a   Cui, Dali ^a   Zhang, Guocheng ^a  

^a GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS   (China)

Author keywords

Cerium (IV); DEHPA; Rare earths; Solvent extraction

Indexed keywords

ACIDITY; FLUORINE COMPOUNDS; PHOSPHORIC ACID; SOLVENT EXTRACTION; SULFURIC ACID;

BASTNASITE METALLURGIC TREATMENT; DI(2-ETHYLHEXYL) PHOSPHORIC ACID; EXTRACTANT CONCENTRATION; EXTRACTION MECHANISM; FLUORIDE ION; SULPHATE ION; SULPHURIC ACID; TETRAVALENT CERIUM;

CERIUM;

EID: 20544444504     PISSN: 10020721     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (4)

1. Zhang G C, Huang X W. Review of metallurgic technology for bastnasite[J]. Chinese Rare Metal, 1997, 21(3): 193.
2. Tedesco P H, Derumi V B, Gonzalez Quintana J A. Extraction of tetravalent metals with Di(2-ethylhexyl) phosphoric acid-III cerium[J]. J. Inorg. Nucl. Chem., 1967, 29: 2813.
3. 4+ extraction mechanism of rare earth from sulfate solution containing fluorine with DEHPA[J]. J. Chinese Rare Earths Soc., 2000, 18(1): 18.
4. Li D Q, Wang Z H, Zeng G F. The Mechanism of cerium(IV) extraction from sulfuric acid with 2-ethylhexyl hydrogen 2-ethylhexyl phosphonate[J]. J. Chinese Rare Earths Soc., 1984, (2): 9.