Synthesis and Characterization of Ni/Al Composite Oxide Mesoporous Materia

doi:10.3696/j.issn.1006-396X.2009.04.003

Journal of Petrochemical Universities ›› 2009, Vol. 22 ›› Issue (4): 9-12.DOI: 10.3696/j.issn.1006-396X.2009.04.003

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Synthesis and Characterization of Ni/Al Composite Oxide Mesoporous Materia

College of Chemistry and Chemical Engineering of Qiqihar University, Qiqihar Heilongjiang 161006,P.R.China

Received:2008-12-08 Revised:2009-07-17 Published:2009-12-25 Online:2009-12-25

镍铝复合介孔氧化物的合成和表征

宋伟明,刘芳,邓启刚

齐齐哈尔大学化学与化工学院，黑龙江齐齐哈尔161006

作者简介:宋伟明(1966 -), 女, 黑龙江大庆市, 教授, 博士
基金资助:
黑龙江省青年骨干教师资助项目(1151G063)

Abstract

Abstract:

Mesoporous Ni/Al composite oxides were synthesized by hydrothermal ultrasonic reaction using anionic surfactant as templating agent, Al(NO₃)₃·9H₂O as aluminium source and NiCl₂·6H₂O as nickel source. The samples appear mesoporous phases when the n(Ni)/n(Al)=1∶7, reaction temperature 80 ℃, reaction time 28 h, crystallization of 12 h. The samples were characterized by XRD, FT-IR, N₂ adsorption-desorption, NH₃-TPD, CO₂-TPD, TPR,TPO and so on. The experimental results indicate that samples exhibit typical mesoporous structural characteristics with a narrow distribution of pore size, average pore size is 2.6 nm, pore volume is 0.216 cm³/g, surface areas is 297.132 m²/g. The samples exhibit weak and strong acid-base center,at same time, could been oxidized at 340 ℃ and reduced at 430 ℃.

Key words: Ni／Al composite oxides , Mesoporous material , Synthesis , Characterization

摘要： 以阴离子表面活性剂为模板剂,硝酸铝为铝源,氯化镍为镍源,水热超声法合成镍铝复合介孔氧化物。当n(Ni)/n(Al)=1∶7,反应温度80℃,反应时间28h,晶化12h,样品有较规则的介孔结构。用X射线多晶衍射(XRD)、红外光谱(IR)、N2吸附-脱附、NH3和CO2程序升温脱附(NH3-TPD和CO2-TPD)、程序升温氧化还原(TPO和TPR)等方法对样品进行了表征。结果表明,样品具有典型的介孔结构特征,孔径分布较窄,平均孔径2.6nm,孔容积0.216cm3/g,比表面积为297.132㎡/g。样品具有弱和强的酸碱中心,340℃可被氧化,430℃可被还原。

关键词: 镍铝复合氧化物介孔材料 , 合成 , 表征

SONG Wei-ming, LIU Fang,DENG Qi-gang. Synthesis and Characterization of Ni/Al Composite Oxide Mesoporous Materia[J]. Journal of Petrochemical Universities, 2009, 22(4): 9-12.

宋伟明,刘芳,邓启刚. 镍铝复合介孔氧化物的合成和表征[J]. 石油化工高等学校学报, 2009, 22(4): 9-12.

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Synthesis and Characterization of Ni/Al Composite Oxide Mesoporous Materia

镍铝复合介孔氧化物的合成和表征

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