New catalytic hydrodenitrogenation process by Ni<sub>2</sub>P/SBA-15 coupled with[Bmim]BF<sub>4</sub>

CHEN Neng; WANG Hongyan; ZHANG Xiangping; LI Chunshan; GAO Jinsen

doi:10.11949/j.issn.0438-1157.20170535

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New catalytic hydrodenitrogenation process by Ni₂P/SBA-15 coupled with[Bmim]BF₄

更新时间：2025-12-10

- New catalytic hydrodenitrogenation process by Ni₂P/SBA-15 coupled with[Bmim]BF₄
- CIESC Journal Issue 10, Pages: 3755-3761(2017)
- 作者机构：
  
  1. 中国石油大学(北京)重质油国家重点实验室,北京,102249
  2. 中国科学院过程工程研究所多相复杂系统国家重点实验室, 离子液体清洁过程北京市重点实验室,北京,100190
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170535
  CLC： 643.3
- Online First：05 October 2017，
  
  Published：05 October 2017
- 稿件说明：
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CHEN Neng, WANG Hongyan, ZHANG Xiangping, et al. New catalytic hydrodenitrogenation process by Ni₂P/SBA-15 coupled with[Bmim]BF₄[J]. CIESC Journal, 2017, (10): 3755-3761. DOI: 10.11949/j.issn.0438-1157.20170535.
DOI：

CHEN Neng, WANG Hongyan, ZHANG Xiangping, et al. New catalytic hydrodenitrogenation process by Ni₂P/SBA-15 coupled with[Bmim]BF₄[J]. CIESC Journal, 2017, (10): 3755-3761. DOI: 10.11949/j.issn.0438-1157.20170535. DOI：

摘要

通过改性固体催化剂，耦合离子液体进行催化反应，实现了在温和条件下催化加氢脱氮性能的提高。采用助剂Mo对Ni2P/SBA-15催化剂进行改性，并用XRD、BET、XPS对催化剂结构进行表征。以吡啶为含氮模型化合物，将固体催化剂耦合[Bmim]BF4在温和的条件下进行加氢脱氮活性评价。结果表明，低温时的脱氮过程主要以离子液体萃取为主；随着温度的升高，耦合加氢脱氮效果表现显著，且改性后的5% Mo-25% Ni2P/SBA-15催化剂耦合离子液体在150℃、3 MPa的条件下评价脱氮率最高，达到了80.1%。离子液体4次加氢循环之后，其加氢性能没有明显的下降。离子液体的参与使得催化加氢脱氮反应在温和的条件下得以实现，这为催化加氢在低温低压条件下提供了新的理论和工艺。

Abstract

Catalytic hydrodenitrogenation under mild conditions was improved by using modified solid catalyst coupled with[Bmim]BF4 ionic liquid.Ni2P/SBA-15 catalyst was modified with different Mo loadings and structures of Mo-Ni2P/SBA-15 modified catalysts were characterized by N2 adsorption-desorption

X-ray diffraction

and X-ray photoelectron spectroscopy.These catalysts coupled with[Bmim]BF4 were evaluated for denitrification of pyrrolidine model compound in batch reactor at mild pressure and temperature.The results showed that Mo addition improved catalytic hydrodenitrogenation activity.At low temperature

the denitrification process was dominated by ionic liquid extraction.As temperature was increased

coupling hydrodenitrogenation was more obvious.5% Mo-25% Ni2P/SBA-15 catalyst coupled with[Bmim]BF4 exhibited the best hydrodenitrogenation efficiency up to 80.1% at 150℃ and 3 MPa.Furthermore

the ionic liquid did not show significant decrease in hydrogenation efficiency after four cycles.The presence of ionic liquids achieved good catalytic hydrodenitrogenation under mild conditions

which could be a new process for catalytic hydrogenation under low temperature and pressure conditions.

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New catalytic hydrodenitrogenation process by Ni2P/SBA-15 coupled with[Bmim]BF4

DOI：10.11949/j.issn.0438-1157.20170535

摘要

Abstract

关键词

Keywords

references

New catalytic hydrodenitrogenation process by Ni₂P/SBA-15 coupled with[Bmim]BF₄