Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni2P/SBA-15/Cordierite Monolithic Catalysts

doi:10.1016/j.cjche.2014.06.014

Chinese Journal of Chemical Engineering ›› 2014, Vol. 22 ›› Issue (8): 903-908.DOI: 10.1016/j.cjche.2014.06.014

• 第四届整体式结构化催剂与反应器国际会议专栏 • 上一篇下一篇

Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni₂P/SBA-15/Cordierite Monolithic Catalysts

Pingyi Wu^1,2, Qingyuan Li², Ling Lan¹, Hongfei Liu², Yana Ju¹, Jiarui Piao¹, Shengfu Ji²

1. Petrochemical Research Institute, PetroChina, Beijing 100195, China;
2. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

收稿日期:2014-01-02 修回日期:2014-02-17 出版日期:2014-08-28 发布日期:2014-11-04
通讯作者: Shengfu Ji
基金资助:
Supported by the National Basic Research Programof China (2006CB202503) and the Science Foundation of PetroChina (2010D-5006-0401).

Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni₂P/SBA-15/Cordierite Monolithic Catalysts

Pingyi Wu^1,2, Qingyuan Li², Ling Lan¹, Hongfei Liu², Yana Ju¹, Jiarui Piao¹, Shengfu Ji²

1. Petrochemical Research Institute, PetroChina, Beijing 100195, China;
2. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Received:2014-01-02 Revised:2014-02-17 Online:2014-08-28 Published:2014-11-04
Supported by:
Supported by the National Basic Research Programof China (2006CB202503) and the Science Foundation of PetroChina (2010D-5006-0401).

摘要/Abstract

摘要： A series of B-Ni₂P/SBA-15/cord monolithic catalysts were prepared by coating the slurry of the B-Ni₂P/SBA-15 precursors on a pretreated cordierite support, and followed by temperature-programmed reduction in a H₂ flow. The samples were characterized by X-ray diffraction (XRD) and N₂ adsorption-desorption technique. The catalytic activities for the hydrodesulfurization (HDS) of dibenzothiophene (DBT) were evaluated. The results showed that Ni₂P phase was present in all B-Ni₂P/SBA-15/cord monolithic catalysts. The specific surface areas (S_BET) of the B-Ni₂P/SBA-15/cord monolithic catalysts was first increased to 167 m²·g^-1, and then decreased to 155 m²·g^-1 with the increase of boron contents. The catalytic activity also showed the similar trend with the increase of boron contents. The 1.75% (by mass) B-Ni₂P/SBA-15/cord monolithic catalysts exhibited the highest DBT conversion of 98.4% at 380℃. The cordierite-based monolithic catalysts showed better low temperature sensitivity for HDS of DBT in comparison with the particle catalysts. Moreover, two HDS routes, direct desulfurization (DDS) and hydrogenation (HYD), proceeded independently over B-Ni₂P/SBA-15/cord monolithic catalysts and the main pathway was DDS.

关键词: Boron, Ni₂P, SBA-15, Cordierite, Monolithic catalyst, Hydrodesulfurization

Abstract: A series of B-Ni₂P/SBA-15/cord monolithic catalysts were prepared by coating the slurry of the B-Ni₂P/SBA-15 precursors on a pretreated cordierite support, and followed by temperature-programmed reduction in a H₂ flow. The samples were characterized by X-ray diffraction (XRD) and N₂ adsorption-desorption technique. The catalytic activities for the hydrodesulfurization (HDS) of dibenzothiophene (DBT) were evaluated. The results showed that Ni₂P phase was present in all B-Ni₂P/SBA-15/cord monolithic catalysts. The specific surface areas (S_BET) of the B-Ni₂P/SBA-15/cord monolithic catalysts was first increased to 167 m²·g^-1, and then decreased to 155 m²·g^-1 with the increase of boron contents. The catalytic activity also showed the similar trend with the increase of boron contents. The 1.75% (by mass) B-Ni₂P/SBA-15/cord monolithic catalysts exhibited the highest DBT conversion of 98.4% at 380℃. The cordierite-based monolithic catalysts showed better low temperature sensitivity for HDS of DBT in comparison with the particle catalysts. Moreover, two HDS routes, direct desulfurization (DDS) and hydrogenation (HYD), proceeded independently over B-Ni₂P/SBA-15/cord monolithic catalysts and the main pathway was DDS.

Key words: Boron, Ni₂P, SBA-15, Cordierite, Monolithic catalyst, Hydrodesulfurization

Pingyi Wu, Qingyuan Li, Ling Lan, Hongfei Liu, Yana Ju, Jiarui Piao, Shengfu Ji. Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni₂P/SBA-15/Cordierite Monolithic Catalysts[J]. Chinese Journal of Chemical Engineering, 2014, 22(8): 903-908.

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Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni₂P/SBA-15/Cordierite Monolithic Catalysts

Preparation, Structure Characterization and Hydrodesulfurization Performance of B-Ni₂P/SBA-15/Cordierite Monolithic Catalysts

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