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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
发表期刊CHEMCATCHEM
卷号7期号:16页码:2485-2492
摘要The 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.
文章类型Article
关键词Basicity Hydrogenation Palladium Reaction Mechanism Surface Chemistry
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/cctc.201500442
研究领域[WOS]Chemistry
关键词[WOS]SUPPORTED PALLADIUM CATALYSTS ; VAPOR-PHASE HYDROGENATION ; HYDROXYAPATITE CATALYSTS ; HETEROGENEOUS CATALYST ; ALLOY CATALYSTS ; OXIDATION ; DERIVATIVES ; NANOPARTICLES ; ACID ; COPPER
收录类别SCI
语种英语
WOS类目Chemistry, Physical
WOS记录号WOS:000359765200014
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10847
专题中国科学院广州能源研究所
作者单位1.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
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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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