| 氧化铝(拟薄水铝石)的孔结构研究 |
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| 引用本文： | 赵琰.氧化铝(拟薄水铝石)的孔结构研究[J].工业催化,2002,10(1):55-63. |
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| 作者姓名： | 赵琰 |
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| 作者单位： | 中石化抚顺石油化工研究院，辽宁 抚顺 113001 |
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| 摘 要： | 本文阐述了负载型催化剂常用载体γ-Al2O3其前驱物拟薄水铝石的孔结构特征。这些初始粒子保留它们的相应结构，并对拟薄水铝石在300℃以上焙烧转化为γ-Al2O3的孔分布有显著影响。介绍了如何区分无定形、拟薄水铝石和薄水铝石；考察了制备方法，焙烧、水热处理条件，扩孔剂及改进挤条或成型对γ、θ-Al2O3孔结构的影响。
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| 关 键 词： | 氧化铝 拟薄水铝石 孔结构 孔分布 水热处理 载体 |
| 文章编号： | 1008-1143(2002)01-0055-09 |
| 修稿时间： | 2001年2月24日 |
Pore structure of modified alumina and its pseudoboehmite precursor |
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| ZHAO Yan.Pore structure of modified alumina and its pseudoboehmite precursor[J].Industrial Catalysis,2002,10(1):55-63. |
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| Authors: | ZHAO Yan |
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| Affiliation: | SINOPEC Fushun Research Institute of Petroleum & Petrochemicals, Liaoning Fushun 113001, China |
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| Abstract: | The structural characteristics of γ-Al2O3 and its pseudoboehmite precursor were discussed. These original particles retained their respective structures and had profound effect on pore size distribution of γAl2O3converted from pseudoboehmites upon calcination at above 300℃, Method for distinguishing among amorphous pseudoboehmite and boehmite were discussed. Factors affecting pore structure of resultant γ-and θ-Al2O3 were invesigated, such as preparation method, calcination and hydrothermal treatment condition, pore enlarger and improvement on extruding or forming process. |
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| Keywords: | alumina pseudoboehmite pore structure pore size |
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