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Cu-promoted Pt/activated carbon catalyst for glycerol oxidation to lactic acid
Zhang, Chen1,3; Wang, Tao1; Liu, Xiao1,3; Ding, Yunjie1,2
KeywordCu Promoter Pt Glycerol Oxidation Lactic Acid
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2016-12-01
DOI10.1016/j.molcata.2016.08.018
Volume424Pages:91-97
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS KeywordSELECTIVE OXIDATION ; METHANOL OXIDATION ; CO OXIDATION ; 1,2-PROPANEDIOL ; HYDROGENOLYSIS ; EFFICIENT ; CHEMOCATALYSIS ; HYDROGENATION ; PHOTOEMISSION ; SPECTROSCOPY
AbstractA series of copper-promoted platinum supported on activated carbon (Cu-Pt/AC) catalysts were investigated for glycerol oxidation to lactic acid. The catalytic performance of 1.0%Pt/AC catalyst was greatly influenced by Cu loading (0.1-2.0 wt%). Among them, the 0.5%Cu-1.0%Pt/AC catalyst showed the best promotional effect, whose lactic acid yield was 2.4 times of that on 1.0%Pt/AC under same reaction conditions. Characterizations were carried out to explore the relationships between catalyst properties and reaction performances. TEM images show that the introduction of Cu improves the dispersion of Pt and Cu, and some Pt-Cu interfaces are detected by HR-TEM, which would facilitate the glycerol transformation. XPS and H2-TPR analyses reveal that good catalyst performance is related with not only a proper surface Pt/Cu molar ratio, but also copper species' oxidation states. Cu+ and Cu-0 species favor glycerol conversion and lactic acid production, whereas large CuO particles facilitate the formation of glyceric acid. (C) 2016 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000386739300011
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/150454
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chen,Wang, Tao,Liu, Xiao,et al. Cu-promoted Pt/activated carbon catalyst for glycerol oxidation to lactic acid[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2016,424:91-97.
APA Zhang, Chen,Wang, Tao,Liu, Xiao,&Ding, Yunjie.(2016).Cu-promoted Pt/activated carbon catalyst for glycerol oxidation to lactic acid.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,424,91-97.
MLA Zhang, Chen,et al."Cu-promoted Pt/activated carbon catalyst for glycerol oxidation to lactic acid".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 424(2016):91-97.
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