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 in | Chinese journal of catalysis Vol. 27; no. 12; pp. 1127 - 1132 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
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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Subjects | |
Online Access | Get full text |
ISSN | 0253-9837 1872-2067 |
DOI | 10.3321/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. |
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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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Author_FL | LI Wei SONG Limin TAO Keyi ZHANG Minghui |
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DocumentTitleAlternate | Preparation of Ni2P Catalyst from Amorphous Ni-P at Low Temperature and Its Catalytic Performance for Dibenzothiophene Hydrodesulfurization |
DocumentTitle_FL | Preparation of Ni2P Catalyst from Amorphous Ni-P at Low Temperature and Its Catalytic Performance for Dibenzothiophene Hydrodesulfurization |
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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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