Efficient hydrogenation performance improvement of MoP and Ni2P catalysts by adjusting the electron distribution around Mo and Ni atoms
Lu, MY; Zheng LR(郑黎荣); Zheng, LR; Li, RG; Guan, QX; Li, W
刊名RSC ADVANCES
2016
卷号6期号:69页码:65081-65088
DOI10.1039/c6ra09862b
文章类型期刊论文
英文摘要MoP and Ni2P catalysts were modified by elements with different electronegativities. Based on this method, two series of catalysts were designed and synthesized: Mo based phosphide catalysts (MoP, Mo8WP9, Mo8CuP9) and Ni based phosphide catalysts (Ni2P, Ni38W2P20). The consistency between synthetized and designed materials was mainly verified by XRD, SEM-EDS, TEM, EXAFS. Then, relative catalyst parameters were further characterized using BET, and CO chemisorption. The hydrogenation properties of verified synthesized catalysts are evaluated by hydrodeoxygenation of methyl palmitate. The activity of the catalysts followed the order: Mo8WP9 > MoP > Mo8CuP9, Ni38W2P20 > Ni2P. In particular, the W modified catalysts (Mo8WP9 and Ni38W2P20) exhibited hydrogenation activities 2.83 and 3.68 times that of MoP and Ni2P, respectively. Further, the product selectivities of different catalysts were analysed detailedly. The C16/C15 molar ratio was increased with the incorporation of W, which represented that the selectivity of the HDO pathway increased. While the C16/C15 molar ratio was decreased with the introduction of Cu, and this suggested that the selectivity of decarbonylation increased. These results indicate that the adjustment of the electron distribution around Mo and Ni atoms could successfully control the hydrogenation properties of catalysts.
类目[WOS]Chemistry, Multidisciplinary
关键词[WOS]NICKEL PHOSPHIDE CATALYSTS ; TRANSITION-METAL PHOSPHIDES ; THIOPHENE HYDRODESULFURIZATION ; TUNGSTEN PHOSPHIDE ; METHYL PALMITATE ; MODEL-COMPOUND ; BULK MOP ; HYDRODEOXYGENATION ; OIL ; 4,6-DIMETHYLDIBENZOTHIOPHENE
语种英语
WOS记录号WOS:000379442400102
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260244
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Lu, MY,Zheng LR,Zheng, LR,et al. Efficient hydrogenation performance improvement of MoP and Ni2P catalysts by adjusting the electron distribution around Mo and Ni atoms[J]. RSC ADVANCES,2016,6(69):65081-65088.
APA Lu, MY,郑黎荣,Zheng, LR,Li, RG,Guan, QX,&Li, W.(2016).Efficient hydrogenation performance improvement of MoP and Ni2P catalysts by adjusting the electron distribution around Mo and Ni atoms.RSC ADVANCES,6(69),65081-65088.
MLA Lu, MY,et al."Efficient hydrogenation performance improvement of MoP and Ni2P catalysts by adjusting the electron distribution around Mo and Ni atoms".RSC ADVANCES 6.69(2016):65081-65088.
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