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Abstract：
The waste slag of aluminum factory composed of crystalline gamma-AlOOH and amorphous solid was calcined at 450, 600, 800, 1000, 1100, 1200 and 1300 degreesC, respectively, and the changes of crystalline phase at different temperature can provide us suitable data for its comprehensive applications. Their polycrystalline structures and microstructures were characterized by XRD and SEM techniques. The crystalline phases of the waste slag were changed as the increasing of calcining temperature: [GRAPHICS] It is different from our process. Both gamma-Al2O3 and amorphous solid were formed in the samples at 600, 800 and 1000 degreesC. The contents of gamma-Al2O3 and amorphous solid decrease with the rise of calcining temperature, and they are completely transformed into alpha-Al2O3 when the temperature increased up to 1200 degreesC. gamma-Al2O3 was metastable phase with high-activity while alpha-Al2O3 was stable phase with low-activity.
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CHINESE JOURNAL OF STRUCTURAL CHEMISTRY
ISSN： 0254-5861
CN： 35-1112/TQ
Year： 2003
Issue： 5
Volume： 22
Page： 607-612
0 . 5 4 8
JCR@2003
5 . 9 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：3
Cited Count：
WoS CC Cited Count： 25
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 0
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