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Extraction and separation of cadmium and zinc with a mixture of di-(2-ethylhexyl)-dithiophosphoric acid and trioctyl amine
Alternative TitleChin. J. Chem. Eng.
Lu, LZ; Zhang, DL; Xie, HQ; Ke, JJ
1999-06-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume7Issue:2Pages:132-138
AbstractThe extraction of cadmium and zinc with di-(2-ethylhexyl)-dithiophosphoric acid(D(2)EHDTPA)-toluene and D(2)EHDTPA-trioctyl amine(TOA)-toluene has been investigated. Infrared spectrum analysis, the nuclear magnetic resonance spectrum(NMR) analysis and conductivity measurements confirm that the probable structures of the extracted complexes are CdA(2) and ZnA(2). Cadmium can be extracted by D(2)EHDTPA. very easily. Almost all the cadmium can be extracted, but stripping of cadmium from the organic phase is very difficult. When a mixture of D(2)EWDTPA and TOA is used, selective extraction of cadmium from zinc sulfate solution can be achieved. Cadmium can be easily stripped from the organic phase.; The extraction of cadmium and zinc with di-(2-ethylhexyl)-dithiophosphoric acid(D(2)EHDTPA)-toluene and D(2)EHDTPA-trioctyl amine(TOA)-toluene has been investigated. Infrared spectrum analysis, the nuclear magnetic resonance spectrum(NMR) analysis and conductivity measurements confirm that the probable structures of the extracted complexes are CdA(2) and ZnA(2). Cadmium can be extracted by D(2)EHDTPA. very easily. Almost all the cadmium can be extracted, but stripping of cadmium from the organic phase is very difficult. When a mixture of D(2)EWDTPA and TOA is used, selective extraction of cadmium from zinc sulfate solution can be achieved. Cadmium can be easily stripped from the organic phase.
KeywordZinc Cadmium Solvent Extraction Thiophosphoric Acid
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000081096200006
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5928
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Lu, LZ,Zhang, DL,Xie, HQ,et al. Extraction and separation of cadmium and zinc with a mixture of di-(2-ethylhexyl)-dithiophosphoric acid and trioctyl amine[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,1999,7(2):132-138.
APA Lu, LZ,Zhang, DL,Xie, HQ,&Ke, JJ.(1999).Extraction and separation of cadmium and zinc with a mixture of di-(2-ethylhexyl)-dithiophosphoric acid and trioctyl amine.CHINESE JOURNAL OF CHEMICAL ENGINEERING,7(2),132-138.
MLA Lu, LZ,et al."Extraction and separation of cadmium and zinc with a mixture of di-(2-ethylhexyl)-dithiophosphoric acid and trioctyl amine".CHINESE JOURNAL OF CHEMICAL ENGINEERING 7.2(1999):132-138.
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