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Understanding the features of PGMs in spent ternary automobile catalysts for development of cleaner recovery technology
Wei, Xuan1,2; Liu, Chunwei2; Cao, Hongbin2; Ning, Pengge2; Jin, Wei3; Yang, Zhanbing1; Wang, Haijuan1; Sun, Zhi2
2019-12-01
Source PublicationJOURNAL OF CLEANER PRODUCTION
ISSN0959-6526
Volume239Pages:10
AbstractWith the penetration of automobiles, the number of spent automobile catalysts keeps increasing. The spent catalysts contain a significant amount of platinum group metals (PGMs) as active components. Recycling of precious metals from complex mixtures of auto-catalysts, however, is of great difficulty owing to their heterogeneity and complexity. More importantly, the lack of comprehensive characterization of spent catalysts results in an incomplete understanding of their physicochemical properties. This article analyzed the failure mechanisms and the particular structure between precious metals and aluminosilicate carriers in the spent automotive catalysts. The particle size distribution, compositional distribution, morphology, phase and thermal behavior properties of the spent auto-catalysts were investigated with various techniques, including X-ray fluorescence spectrometry (XRF), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) equipped with energy dispersive spectrometer (EDS), laser particle size analyzer, and thermogravimetric differential scanning calorimeter analysis (TG-DSC). With a detailed understanding of the characterization results and thermodynamic analyses, the importance and potential obstacles to enable effective PGMs recovery of corresponding physiochemical features can be identified. On this basis, the pretreatment method of mechanochemical activation associated with the hydrochloric acid leaching system were preliminarily explored. The total leaching rate of PGMs reached 93.42%. The leaching rates of Pt, Rh and Pd were 77.2%, 62.1% and 97.4%, respectively. (C) 2019 Elsevier Ltd. All rights reserved.
KeywordSpent ternary automobile catalysts Characterization Platinum group metals Metal recovery
DOI10.1016/j.jclepro.2019.118031
Language英语
WOS KeywordSTRUCTURAL-CHARACTERIZATION ; MASS-TRANSFER ; TEMPERATURE ; NOX ; PD ; COMBUSTION ; CONVERTER ; PLATINUM ; STORAGE ; METALS
Funding ProjectNational Key Research and Development Program of China[2017YFB0403300/2017YFB043305] ; China Postdoctoral Science Foundation[2018M631579] ; National Natural Science Foundation of China[51425405] ; National Natural Science Foundation of China[51874269] ; 1000 Talents Program of China
WOS Research AreaScience & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
WOS SubjectGreen & Sustainable Science & Technology ; Engineering, Environmental ; Environmental Sciences
Funding OrganizationNational Key Research and Development Program of China ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; 1000 Talents Program of China
WOS IDWOS:000487237100006
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30918
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Haijuan; Sun, Zhi
Affiliation1.Univ Sci & Technol Beijing, Met & Ecol Engn Coll, Beijing 100083, Peoples R China
2.Univ Chinese Acad Sci, Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Div Environm Technol & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
3.Jiangnan Univ, Sch Chem & Mat Engn, Minist Educ, Key Lab Synthet & Biol Colloids, Wuxi 214122, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wei, Xuan,Liu, Chunwei,Cao, Hongbin,et al. Understanding the features of PGMs in spent ternary automobile catalysts for development of cleaner recovery technology[J]. JOURNAL OF CLEANER PRODUCTION,2019,239:10.
APA Wei, Xuan.,Liu, Chunwei.,Cao, Hongbin.,Ning, Pengge.,Jin, Wei.,...&Sun, Zhi.(2019).Understanding the features of PGMs in spent ternary automobile catalysts for development of cleaner recovery technology.JOURNAL OF CLEANER PRODUCTION,239,10.
MLA Wei, Xuan,et al."Understanding the features of PGMs in spent ternary automobile catalysts for development of cleaner recovery technology".JOURNAL OF CLEANER PRODUCTION 239(2019):10.
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