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Selective Oxidation of Amino Alcohols to Amino Acids over Au Supported on Monoclinic ZrO2: Dominant Active Sites and Kinetic Study
Meng, Xiangzhan1,2; Zhang, Yongqiang2; Li, Zengxi1; Wang, Hui2; Zhang, Suojiang2
2019-05-15
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume58Issue:19Pages:8506-8516
AbstractAu supported on monoclinic ZrO2 (Au/m-ZrO2) prepared by deposition-precipitation method showed excellent catalytic performance in the aerobic oxidation of amino alcohols to amino acids, i.e., glycine, alanine, serine, beta-alanine, and 2-aminobutyric acid. The Au particle size and valence distribution of the gold species were adjusted by calcination temperature, as demonstrated by XRD, TEM, UV-vis DRS, XPS, and H-2-TPR, which significantly influenced the catalytic activity but not the selectivity of amino acids. Metallic gold atoms on the surface were shown to be the active sites by the correlation between reaction rate per mole of metallic Au and Au particle size. The kinetics of oxidation of monoethanolamine (MEA) was studied in detail, and the results indicated that MEA oxidation is a first -order reaction with an activation energy of 52.8 kimol(-1).
DOI10.1021/acs.iecr.9b00442
Language英语
WOS KeywordGOLD CATALYSTS ; GLYCEROL OXIDATION ; AU/TIO2 CATALYSTS ; MOLECULAR-OXYGEN ; NANOPARTICLES ; WATER ; CO ; METHANOL ; ESTERIFICATION ; ZIRCONIA
Funding ProjectGeneral Program Youth of National Natural Science Foundation of China[21603232] ; National Natural Science Foundations of China[21676270] ; National Natural Science Foundations of China[21676277] ; National Natural Science Foundations of China[21878311] ; Project of CAS-Hengshui Science & Technology Transfer Center ; K. C. Wong Education Foundation[GJTD-2018-04] ; CAS Pioneer Hundred Talents Program
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationGeneral Program Youth of National Natural Science Foundation of China ; National Natural Science Foundations of China ; Project of CAS-Hengshui Science & Technology Transfer Center ; K. C. Wong Education Foundation ; CAS Pioneer Hundred Talents Program
WOS IDWOS:000468368100082
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28197
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Zengxi; Wang, Hui
Affiliation1.Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, CAS Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Meng, Xiangzhan,Zhang, Yongqiang,Li, Zengxi,et al. Selective Oxidation of Amino Alcohols to Amino Acids over Au Supported on Monoclinic ZrO2: Dominant Active Sites and Kinetic Study[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2019,58(19):8506-8516.
APA Meng, Xiangzhan,Zhang, Yongqiang,Li, Zengxi,Wang, Hui,&Zhang, Suojiang.(2019).Selective Oxidation of Amino Alcohols to Amino Acids over Au Supported on Monoclinic ZrO2: Dominant Active Sites and Kinetic Study.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,58(19),8506-8516.
MLA Meng, Xiangzhan,et al."Selective Oxidation of Amino Alcohols to Amino Acids over Au Supported on Monoclinic ZrO2: Dominant Active Sites and Kinetic Study".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 58.19(2019):8506-8516.
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