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Extraction and separation of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems
Alternative TitleHydrometallurgy
Zhang, TX; Li, WJ; Zhou, WJ; Gao, HC; Wu, JG; Xu, GX; Chen, J; Liu, HZ; Chen, JY
2001-09-01
Source PublicationHYDROMETALLURGY
ISSN0304-386X
Volume62Issue:1Pages:41-46
AbstractThe extraction of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems has been investigated. Almost all of gold (I) cyanide (> 96%) was transferred from salt-rich phase into the polyethylene glycol (PEG)-rich phase without addition of any extractant. No significant influence of solution pH on gold (I) cyanide extraction was observed. The aqueous biphasic systems have high capability of extraction. The gold (I) cyanide in the PEG-rich phase can be easily reduced by addition of zinc. The PEG-rich phase could be reused for extraction of gold (I) cyanide without decrease of extraction capability. The PEG/salt aqueous biphasic systems may provide a potential new technique for gold separation from cyanide solutions because all components of systems are virtually nontoxic and nonflammable. (C) 2001 Elsevier Science B.V. All rights reserved.; The extraction of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems has been investigated. Almost all of gold (I) cyanide (> 96%) was transferred from salt-rich phase into the polyethylene glycol (PEG)-rich phase without addition of any extractant. No significant influence of solution pH on gold (I) cyanide extraction was observed. The aqueous biphasic systems have high capability of extraction. The gold (I) cyanide in the PEG-rich phase can be easily reduced by addition of zinc. The PEG-rich phase could be reused for extraction of gold (I) cyanide without decrease of extraction capability. The PEG/salt aqueous biphasic systems may provide a potential new technique for gold separation from cyanide solutions because all components of systems are virtually nontoxic and nonflammable. (C) 2001 Elsevier Science B.V. All rights reserved.
KeywordExtraction Gold (i) Cyanide Aqueous Biphasic System Polyethylene Glycol Partition
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordMETAL-ION SEPARATIONS ; AMINE PRIMENE-JMT ; SOLVENT-EXTRACTION ; POLY(ETHYLENE GLYCOL) ; AU(CN)(2)(-) ; TECHNOLOGIES ; CYANEX-923 ; ACTINIDES
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000171124900005
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5743
Collection研究所(批量导入)
Affiliation1.Beijing Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
2.Beijing Univ, Univ Hong Kong, Joint Lab Rare Earth Mat & Bioinorgan Chem, Beijing 100871, Peoples R China
3.Inst Precious Met, Kunming 650221, Peoples R China
4.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, TX,Li, WJ,Zhou, WJ,et al. Extraction and separation of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems[J]. HYDROMETALLURGY,2001,62(1):41-46.
APA Zhang, TX.,Li, WJ.,Zhou, WJ.,Gao, HC.,Wu, JG.,...&Chen, JY.(2001).Extraction and separation of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems.HYDROMETALLURGY,62(1),41-46.
MLA Zhang, TX,et al."Extraction and separation of gold (I) cyanide in polyethylene glycol-based aqueous biphasic systems".HYDROMETALLURGY 62.1(2001):41-46.
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