Ni2P／SiO2-Al2O3催化剂的制备、表征及其对4，6-二甲基二苯并噻吩加氢脱硫反应的催化性能

以硅酸钠为原料，以大孔Al2O3为基载体，采用水解沉积法制备了SiO2-Al2O3复合载体．进而以非晶态镍基合金为前驱体，在低温下通过PH3处理制备了Ni2P／SiO2-Al2O3催化剂．用X射线衍射、红外光谱、扫描电镜、电感耦合等离子体发射光谱和N2吸附技术对复合载体和催化剂进行了表征，并以4，6-二甲基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．结果表明，在γ-Al2O3载体表面引入SiO2能够明显减少γ-Al2O3表面四配位的Al^3＋离子，从而减弱Ni2P／SiO2-Al2O3催化剂中Ni2P和γ-Al2O3载体表面的强相互作用．加入适量的SiO2后，SiO...

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Published inChinese journal of catalysis Vol. 28; no. 2; pp. 143 - 147
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 2007
Subjects
4
6-二甲基二苯并噻吩
加氢脱硫
复合载体
大孔氧化铝
氧化硅
磷化镍
复合载体
加氢脱硫
4,6-二甲基二苯并噻吩
氧化硅
磷化镍
大孔氧化铝
Online AccessGet full text
ISSN0253-9837
1872-2067
DOI10.3321/j.issn:0253-9837.2007.02.011

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Abstract 以硅酸钠为原料，以大孔Al2O3为基载体，采用水解沉积法制备了SiO2-Al2O3复合载体．进而以非晶态镍基合金为前驱体，在低温下通过PH3处理制备了Ni2P／SiO2-Al2O3催化剂．用X射线衍射、红外光谱、扫描电镜、电感耦合等离子体发射光谱和N2吸附技术对复合载体和催化剂进行了表征，并以4，6-二甲基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．结果表明，在γ-Al2O3载体表面引入SiO2能够明显减少γ-Al2O3表面四配位的Al^3＋离子，从而减弱Ni2P／SiO2-Al2O3催化剂中Ni2P和γ-Al2O3载体表面的强相互作用．加入适量的SiO2后，SiO2-Al2O3复合载体仍能保持大孔γ-Al2O3载体孔结构的优势．在实验范围内，Ni2P／SiO2-Al2O3催化剂表现出很好的加氢脱硫性能．
AbstractList O643; 以硅酸钠为原料,以大孔Al2O3为基载体,采用水解沉积法制备了SiO2-Al2O3复合载体. 进而以非晶态镍基合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂. 用X射线衍射、红外光谱、扫描电镜、电感耦合等离子体发射光谱和N2吸附技术对复合载体和催化剂进行了表征,并以4,6-二甲基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. 结果表明,在γ-Al2O3载体表面引入SiO2能够明显减少γ-Al2O3表面四配位的Al3+离子,从而减弱Ni2P/SiO2-Al2O3催化剂中Ni2P和γ-Al2O3载体表面的强相互作用. 加入适量的SiO2后, SiO2-Al2O3复合载体仍能保持大孔γ-Al2O3载体孔结构的优势. 在实验范围内, Ni2P/SiO2-Al2O3催化剂表现出很好的加氢脱硫性能.
以硅酸钠为原料，以大孔Al2O3为基载体，采用水解沉积法制备了SiO2-Al2O3复合载体．进而以非晶态镍基合金为前驱体，在低温下通过PH3处理制备了Ni2P／SiO2-Al2O3催化剂．用X射线衍射、红外光谱、扫描电镜、电感耦合等离子体发射光谱和N2吸附技术对复合载体和催化剂进行了表征，并以4，6-二甲基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．结果表明，在γ-Al2O3载体表面引入SiO2能够明显减少γ-Al2O3表面四配位的Al^3＋离子，从而减弱Ni2P／SiO2-Al2O3催化剂中Ni2P和γ-Al2O3载体表面的强相互作用．加入适量的SiO2后，SiO2-Al2O3复合载体仍能保持大孔γ-Al2O3载体孔结构的优势．在实验范围内，Ni2P／SiO2-Al2O3催化剂表现出很好的加氢脱硫性能．
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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DocumentTitleAlternate Preparation and Characterization of Ni2P/SiO2-Al2O3 and Its Catalytic Performance for Hydrodesulfurization of 4,6-Dimethyldibenzothiophene
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Issue 2
Keywords 复合载体
加氢脱硫
4,6-二甲基二苯并噻吩
氧化硅
磷化镍
大孔氧化铝
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Notes O643
silica
composite support
macropore alumina
hydrodesulfurization
nickel phosphide
nickel phosphide; silica; macropore alumina; composite support; 4,6-dimethyldibenzothiophene;hydrodesulfurization
21-1195/O6
4,6-dimethyldibenzothiophene
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PublicationTitle Chinese journal of catalysis
PublicationTitleAlternate Chinese Journal of Catalysis
PublicationTitle_FL CHINESE JOURNAL OF CATALYSIS
PublicationYear 2007
Publisher 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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O643; 以硅酸钠为原料,以大孔Al2O3为基载体,采用水解沉积法制备了SiO2-Al2O3复合载体. 进而以非晶态镍基合金为前驱体,在低温下通过PH3处理制备了Ni2P/SiO2-Al2O3催化剂....
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StartPage 143
SubjectTerms 4
6-二甲基二苯并噻吩
加氢脱硫
复合载体
大孔氧化铝
氧化硅
磷化镍
Title Ni2P／SiO2-Al2O3催化剂的制备、表征及其对4，6-二甲基二苯并噻吩加氢脱硫反应的催化性能
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