ICCAS OpenIR
Preparation of high-surface-area gamma-alumina by assistance of sucrose
Wang, CM; Zhao, BY; Zhu, YX; Xie, YC
2004-05-01
Source PublicationCHINESE JOURNAL OF CATALYSIS
ISSN0253-9837
Volume25Issue:5Pages:341-343
AbstractThe preparation of alumina with large surface area, certain phase and porosimetry has always been one of important researches. A new method using much less sucrose (the molar ratio of sucrose to Al3+ =0.5) was developed to prepare gamma-Al2O3 with large surface area and high thermal stability. Firstly, ammonium hydroxide was dropped to aqueous solution of aluminum nitrate and sucrose. The resulted precipitate in suspension was heated until a homogeneous gel was obtained. Then the gel was dehydrated at 110 degreesC to get a fluffy black precursor. Finally, gamma-Al2O3 with A = 345 m(2)/g was prepared by calcining the precursor at 600 degreesC for 24 h. The precursor and the obtained gamma-Al2O3 were characterized by DTA-TG, N-2 adsorption-desorption isotherms, XRD and TEM. According to the dispersion behaviors of organic compounds on supports, the related mechanism was discussed.
KeywordAlumina Sucrose Specific Surface Area Pore Size Distribution
Indexed BySCI
Language英语
WOS IDWOS:000221895200002
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81822
Collection中国科学院化学研究所
Corresponding AuthorWang, CM
AffiliationPeking Univ, Coll Chem & Mol Engn, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Wang, CM,Zhao, BY,Zhu, YX,et al. Preparation of high-surface-area gamma-alumina by assistance of sucrose[J]. CHINESE JOURNAL OF CATALYSIS,2004,25(5):341-343.
APA Wang, CM,Zhao, BY,Zhu, YX,&Xie, YC.(2004).Preparation of high-surface-area gamma-alumina by assistance of sucrose.CHINESE JOURNAL OF CATALYSIS,25(5),341-343.
MLA Wang, CM,et al."Preparation of high-surface-area gamma-alumina by assistance of sucrose".CHINESE JOURNAL OF CATALYSIS 25.5(2004):341-343.
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