Extraction mechanism of rare earths with sec-octylphenoxy acetic acid by two-phase titration technique

Journal of Rare Earths

Volumn 20, Issue 5, 2002, Pages 416-419

  Yue, Shantang ^a,b   Liao, Wuping ^a   Li, Deqian ^a   Su, Qiang ^a  

^a CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY   (China)

^b SOUTH CHINA NORMAL UNIVERSITY   (China)

Author keywords

Extraction; Rare earths; Sec octylphenoxy acetic acid; Two phase titration

Indexed keywords

ACETIC ACID; EXTRACTION; MECHANISMS; TITRATION;

HEPTANE; SEC OCTYLPHENOXY ACETIC ACID; STOICHIOMETRIC COMPOUNDS; TWO PHASE TITRATION;

RARE EARTHS;

EID: 0036820378     PISSN: 10020721     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Peng A, Dai Z R, Wang C X. Proc. rare earth chemistry [M]. Beijing: Science Press, 1982. 39.
2. Dai Z R, Wang C X, Wang Z Y. New process for high-purity yttrium [P]. Chinese Patent, (1985), CN85102220B.
3. Department of Chemistry, Beijing University. Extraction and separation of high-purity yttrium with naphthetic acid from Jiangxi ore [J]. Rare metals, 1978, 5:1.
4. Li D Q. Chemical engineering in the hydrometallurgy of RE [J]. Progress in Chemistry (in Chin.), 1995, 7(3): 209.
5. Delloye T, Sabot J L. Separation of high-purity yttrium with Cyanex 923 [P]. Eur. Pat. (1998), Appl. EP 284,503.
6. Sabot J L, Delloye T. New process to separate Y and RE from the nitric solution [P]. Eur. Pat. 1990, (Appl). EP 451,003.
7. Du Preez A C, Preston J S. The solvent extraction of rare-earth metals by carbxylic acids [J]. Solv. Extr. Ion Exch., 1992, 10(2): 207.
8. Preston J S. Solvent extraction of the trivalent lanthanides and yttrium by some 2-bromoalkanoic acids [J]. Solv. Extr. Ion Exch., 1994, 12(1): 29.
9. Ye W Z, Yan J Y, Xu Q Y. Neutral organophosphorus extractant to separate yttrium [P]. Chinese Patent (1995), Open No.CN1108309A.
10. Ye W Z, Xu Q Y, Qian Y F. New extractant for the extraction of RE [P]. Chinese Patent (1994), Open No.CN1084574A
11. Li D Q, Meng S L, Ye W Z. New process to separate yttrium with high purity [P]. Chinese Patent (1999), Appl. No.99118261.8.
12. 3+ by two-phase titration technique [J]. J. Beijing University, 1989, 25(2): 194.
13. Yue S T, Li D Q, Su Q. Determination of some basic constants of CA-12 [J]. Chinese J. Anal. Chem., 2001, 29(8): 954.
14. Huang K L. Extraction equilibrium of bivalent metal ions with P507 [J]. Acta Chimica Sinica, 1989, 47: 67.
15. Li J R, Li B G, Zhen W. Study on the extraction of bivalent metal ions with P507 [J]. Youse Jinshu (metallurgy), 1986, 5: 20.
16. Preston J S. Solvent extraction of cobalt and nickel by organophosphorus acids [J]. Hydrometallurgy, 1982, 9: 115.