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In Situ Characterization and Analysis on the Thermal Transformation of Boehmite
Su Qiu-Cheng1,2; Chen Pei-Li1; Zhang Shao-Hong1; Li Xin-Jun1; Ma Long-Long1
2012-11-01
发表期刊CHINESE JOURNAL OF INORGANIC CHEMISTRY
卷号28期号:11页码:2280-2284
摘要

Boehmite (AlOOH) was synthesized by sol-gel method. The physicochemical process and phase transformation of AlOOH during thermal treatment were investigated by the simultaneous thermogravimetric analysis, N-2 adsorption-desorption and in situ X-ray diffraction techniques. Upon heating, AlOOH lost the physicsorbed water first, the chemisorbed water was desorbed at 210 degrees C, and the dehydroxylation was occurred at 310 degrees C. In the process, since the water was gradually lost, the BET surface area and total pore volume increased. The orthorhombic AlOOH transformed to the cubic crystal gamma-Al2O3 at 400 degrees C, the tetragonal d-Al2O3 appeared after 900 degrees C, it transformed to monoclinic theta-Al2O3 at 1 060 degrees T, and it turned into rhombic hexahedron alpha-Al2O3 at 1 200 degrees C.

文章类型Article
关键词Alooh Thermal Transformation In Situ Xrd Simultaneous Thermogravimetric Analysis
WOS标题词Science & Technology ; Physical Sciences
研究领域[WOS]Chemistry
关键词[WOS]HYDROTHERMAL SYNTHESIS ; PHASE-TRANSFORMATION ; SURFACE-PROPERTIES ; HIGH-TEMPERATURE ; GAMMA-ALOOH ; XRD ; ALUMINA ; GAMMA-AL2O3
收录类别SCI
语种中文
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000311472000002
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10140
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
推荐引用方式
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Su Qiu-Cheng,Chen Pei-Li,Zhang Shao-Hong,et al. In Situ Characterization and Analysis on the Thermal Transformation of Boehmite[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2012,28(11):2280-2284.
APA Su Qiu-Cheng,Chen Pei-Li,Zhang Shao-Hong,Li Xin-Jun,&Ma Long-Long.(2012).In Situ Characterization and Analysis on the Thermal Transformation of Boehmite.CHINESE JOURNAL OF INORGANIC CHEMISTRY,28(11),2280-2284.
MLA Su Qiu-Cheng,et al."In Situ Characterization and Analysis on the Thermal Transformation of Boehmite".CHINESE JOURNAL OF INORGANIC CHEMISTRY 28.11(2012):2280-2284.
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