由非晶态Ni-P低温制备Ni2P催化剂及其对二苯并噻吩加氢脱硫的催化性能

以非晶态Ni-P合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂,并用X射线衍射(XRD)、透射电镜(TEM)、电感耦合等离子体发射光谱、N2吸附和X射线光电子能谱(XPS)进行了表征,以二苯并噻吩为探针,在小型连续流动固定床反应器上考察了催化剂的加氢脱硫性能.XRD结果表明,在200~300℃范围内前驱体都可以完全转化为Ni2P,随着磷化温度的升高,晶体结构变得越来越完整.TEM观察发现,Ni—P粒子和Ni2P粒子的平均尺寸都在40~50nm,并且都能够高分散在SiO2-Al2O3载体上.XPS结果表明,不论是非负载还是SiO2-Al2O3负载的Ni2P,表层主...

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Published inChinese journal of catalysis Vol. 27; no. 12; pp. 1127 - 1132
Main Author 宋立民 李伟 张明慧 陶克毅
Format Journal Article
LanguageChinese
Published 南开大学化学学院材料化学系新催化材料科学研究所,天津,300071 2006
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ISSN0253-9837
1872-2067
DOI10.3321/j.issn:0253-9837.2006.12.018

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Abstract 以非晶态Ni-P合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂,并用X射线衍射(XRD)、透射电镜(TEM)、电感耦合等离子体发射光谱、N2吸附和X射线光电子能谱(XPS)进行了表征,以二苯并噻吩为探针,在小型连续流动固定床反应器上考察了催化剂的加氢脱硫性能.XRD结果表明,在200~300℃范围内前驱体都可以完全转化为Ni2P,随着磷化温度的升高,晶体结构变得越来越完整.TEM观察发现,Ni—P粒子和Ni2P粒子的平均尺寸都在40~50nm,并且都能够高分散在SiO2-Al2O3载体上.XPS结果表明,不论是非负载还是SiO2-Al2O3负载的Ni2P,表层主要为Ni2P和钝化层Ni3(PO4)2.Ni2P/SiO2-Al2O3催化剂在实验范围内表现出很好的二苯并噻吩加氢脱硫性能.
AbstractList O643; 以非晶态Ni-P合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂,并用X射线衍射(XRD)、透射电镜(TEM)、电感耦合等离子体发射光谱、N2吸附和X射线光电子能谱(XPS)进行了表征,以二苯并噻吩为探针,在小型连续流动固定床反应器上考察了催化剂的加氢脱硫性能.XRD结果表明,在200~300℃范围内前驱体都可以完全转化为Ni2P,随着磷化温度的升高,晶体结构变得越来越完整.TEM观察发现,Ni-P粒子和Ni2P粒子的平均尺寸都在40~50 nm,并且都能够高分散在SiO2-Al2O3载体上.XPS结果表明,不论是非负载还是SiO2-Al2O3负载的Ni2P,表层主要为Ni2P和钝化层Ni3(PO4)2.Ni2P/SiO2-Al2O3催化剂在实验范围内表现出很好的二苯并噻吩加氢脱硫性能.
以非晶态Ni-P合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂,并用X射线衍射(XRD)、透射电镜(TEM)、电感耦合等离子体发射光谱、N2吸附和X射线光电子能谱(XPS)进行了表征,以二苯并噻吩为探针,在小型连续流动固定床反应器上考察了催化剂的加氢脱硫性能.XRD结果表明,在200~300℃范围内前驱体都可以完全转化为Ni2P,随着磷化温度的升高,晶体结构变得越来越完整.TEM观察发现,Ni—P粒子和Ni2P粒子的平均尺寸都在40~50nm,并且都能够高分散在SiO2-Al2O3载体上.XPS结果表明,不论是非负载还是SiO2-Al2O3负载的Ni2P,表层主要为Ni2P和钝化层Ni3(PO4)2.Ni2P/SiO2-Al2O3催化剂在实验范围内表现出很好的二苯并噻吩加氢脱硫性能.
Author 宋立民 李伟 张明慧 陶克毅
AuthorAffiliation 南开大学化学学院材料化学系新催化材料科学研究所,天津300071
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ZHANG Minghui
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加氢脱硫
非晶态合金
磷化镍
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dibenzothiophene
amorphous alloy; nickel phosphide; dibenzothiophene; hydrodesulfurization
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hydrodesulfurization
nickel phosphide
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SubjectTerms 二苯并噻吩
加氢脱硫
磷化镍
非晶态合金
Title 由非晶态Ni-P低温制备Ni2P催化剂及其对二苯并噻吩加氢脱硫的催化性能
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