Effect of loading on the Ni2P/Al2O3 catalysts for the hydrotreating reactions

能源化学(英文) ›› 2015, Vol. 21 ›› Issue (4): 441-447.

Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions

Junen Wang^a,b, Shaozhong Li^a, Jun Xu^a, Hui Chen^a, Jiangyu Yuan^a, Jianyi Shen^a

a Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, Jiangsu, China;
b College of Chemistry and Materials Science, Huaibei Normal University, Huaibei 235000, Anhui, China

收稿日期:2015-03-14 修回日期:2015-06-30 发布日期:2015-08-21
通讯作者: Jianyi Shen
基金资助:
Financial supports from NSFC (21273105), MSTC (2013AA031703), NSFJC (BK20140596) and the fundamental research funds for central universities are acknowledged.

Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions

Junen Wang^a,b, Shaozhong Li^a, Jun Xu^a, Hui Chen^a, Jiangyu Yuan^a, Jianyi Shen^a

a Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, Jiangsu, China;
b College of Chemistry and Materials Science, Huaibei Normal University, Huaibei 235000, Anhui, China

Received:2015-03-14 Revised:2015-06-30 Published:2015-08-21
Contact: Jianyi Shen
Supported by:
Financial supports from NSFC (21273105), MSTC (2013AA031703), NSFJC (BK20140596) and the fundamental research funds for central universities are acknowledged.

摘要/Abstract

摘要： The 80%Ni₂P/Al₂O₃ catalysts were prepared by the phosphidation of corresponding 80%Ni/Al₂O₃ with triphenylphosphine in liquid phase and compared with the 60%Ni₂P/Al₂O₃ for hydrotreating reactions. Both the 60%Ni₂P/Al₂O₃ and 80%Ni₂P/Al₂O₃ in comparison exhibited the small and uniform Ni₂P particles (6.3 and 8.4 nm, respectively), high CO uptakes (305 and 345 μmol/g, respectively) and thus high activities for the hydrotreating reactions. After the hydrotreating reactions, the small and uniform Ni₂P particles were remained, although the CO uptakes on the used 60%Ni₂P/Al₂O₃ and 80%Ni₂P/Al₂O₃ were greatly decreased (to 68 and 95 μmol/g, respectively) due to the incorporation of S into the Ni₂P surfaces. The 80%Ni₂P/Al₂O₃ was found to be significantly more active than the 60%Ni₂P/Al₂O₃ due to that the 80%Ni₂P/Al₂O₃ possessed more, and more active Ni₂P sites than the 60%Ni₂P/Al₂O₃, probably due to the less S incorporated in the 80%Ni₂P/Al₂O₃ than in the 60%Ni₂P/Al₂O₃ during the hydrotreating reactions.

关键词: Supported Ni₂P, Liquid phase phosphidation, Triphenylphosphine, Microcalorimetric adsorption of CO, Hydrotreating reactions

Abstract: The 80%Ni₂P/Al₂O₃ catalysts were prepared by the phosphidation of corresponding 80%Ni/Al₂O₃ with triphenylphosphine in liquid phase and compared with the 60%Ni₂P/Al₂O₃ for hydrotreating reactions. Both the 60%Ni₂P/Al₂O₃ and 80%Ni₂P/Al₂O₃ in comparison exhibited the small and uniform Ni₂P particles (6.3 and 8.4 nm, respectively), high CO uptakes (305 and 345 μmol/g, respectively) and thus high activities for the hydrotreating reactions. After the hydrotreating reactions, the small and uniform Ni₂P particles were remained, although the CO uptakes on the used 60%Ni₂P/Al₂O₃ and 80%Ni₂P/Al₂O₃ were greatly decreased (to 68 and 95 μmol/g, respectively) due to the incorporation of S into the Ni₂P surfaces. The 80%Ni₂P/Al₂O₃ was found to be significantly more active than the 60%Ni₂P/Al₂O₃ due to that the 80%Ni₂P/Al₂O₃ possessed more, and more active Ni₂P sites than the 60%Ni₂P/Al₂O₃, probably due to the less S incorporated in the 80%Ni₂P/Al₂O₃ than in the 60%Ni₂P/Al₂O₃ during the hydrotreating reactions.

Key words: Supported Ni₂P, Liquid phase phosphidation, Triphenylphosphine, Microcalorimetric adsorption of CO, Hydrotreating reactions

Junen Wang, Shaozhong Li, Jun Xu, Hui Chen, Jiangyu Yuan, Jianyi Shen. Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions[J]. 能源化学(英文), 2015, 21(4): 441-447.

Junen Wang, Shaozhong Li, Jun Xu, Hui Chen, Jiangyu Yuan, Jianyi Shen. Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions[J]. Journal of Energy Chemistry, 2015, 21(4): 441-447.

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Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions

Effect of loading on the Ni₂P/Al₂O₃ catalysts for the hydrotreating reactions

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