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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
关键词Cu Promoter Pt Glycerol Oxidation Lactic Acid
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2016-12-01
DOI10.1016/j.molcata.2016.08.018
424页:91-97
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
关键词[WOS]SELECTIVE OXIDATION ; METHANOL OXIDATION ; CO OXIDATION ; 1,2-PROPANEDIOL ; HYDROGENOLYSIS ; EFFICIENT ; CHEMOCATALYSIS ; HYDROGENATION ; PHOTOEMISSION ; SPECTROSCOPY
英文摘要A 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.
语种英语
WOS记录号WOS:000386739300011
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150454
专题中国科学院大连化学物理研究所
作者单位1.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
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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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