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Selective Hydrogenation of Phenol to Cyclohexanone over Pd-HAP Catalyst in Aqueous Media
Xu, Guangyue1,2; Guo, Jianhua1,2; Zhang, Ying1,2; Fu, Yao1,2; Chen, Jinzhu3; Ma, Longlong3; Guo, Qingxiang1,2
2015-08-01
Source PublicationCHEMCATCHEM
Volume7Issue:16Pages:2485-2492
AbstractThe production of pure cyclohexanone under mild conditions over catalysts with high reactivity, selectivity, compatibility, stability, and low cost is still a great challenge. Here we report a hydroxyapatite-bound palladium catalyst (Pd-HAP) to demonstrate its excellent performance on phenol hydrogenation to cyclohexanone. Based on catalyst characterization, the Pd nanoclusters (approximate to 0.9nm) are highly dispersed and bound to phosphate in HAP. Only basic active sites on HAP surface are detected. At 25 degrees C and ambient H-2 pressure in water, phenol can be 100% converted into cyclohexanone with 100% selectivity. This system shows a universal applicability to temperature, pH, solvent, low H-2 purity, and pressure. The catalyst reveals high stability to be recycled without deactivation or morphology change; and Pd nano-clusters barely aggregate even at 400 degrees C. During the reaction, HAP adsorbs phenol, and Pd nanoclusters activate and spillover H-2. The mechanism is also investigated, proposed, and verified.
SubtypeArticle
KeywordBasicity Hydrogenation Palladium Reaction Mechanism Surface Chemistry
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/cctc.201500442
WOS Subject ExtendedChemistry
WOS KeywordSUPPORTED PALLADIUM CATALYSTS ; VAPOR-PHASE HYDROGENATION ; HYDROXYAPATITE CATALYSTS ; HETEROGENEOUS CATALYST ; ALLOY CATALYSTS ; OXIDATION ; DERIVATIVES ; NANOPARTICLES ; ACID ; COPPER
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical
WOS IDWOS:000359765200014
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10847
Collection中国科学院广州能源研究所
Affiliation1.Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Anhui Prov Key Lab Biomass Clean Energy, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
3.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Xu, Guangyue,Guo, Jianhua,Zhang, Ying,et al. Selective Hydrogenation of Phenol to Cyclohexanone over Pd-HAP Catalyst in Aqueous Media[J]. CHEMCATCHEM,2015,7(16):2485-2492.
APA Xu, Guangyue.,Guo, Jianhua.,Zhang, Ying.,Fu, Yao.,Chen, Jinzhu.,...&Guo, Qingxiang.(2015).Selective Hydrogenation of Phenol to Cyclohexanone over Pd-HAP Catalyst in Aqueous Media.CHEMCATCHEM,7(16),2485-2492.
MLA Xu, Guangyue,et al."Selective Hydrogenation of Phenol to Cyclohexanone over Pd-HAP Catalyst in Aqueous Media".CHEMCATCHEM 7.16(2015):2485-2492.
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