Hydrothermal synthesis of boehmites with various particle sizes and transition to α-Al_2O_3 powders by calcination
文献类型：期刊论文
| 作者 | Hu P(胡鹏) ; Hu P(胡鹏); Hu P(胡鹏)
|
| 刊名 | 广东有色金属学报
 |
| 出版日期 | 2005 |
| 期号 | Z1页码:581-585 |
| 关键词 | hydrothermal boehmite α-Al_2O_3 powder particle size |
| 中文摘要 | Boehmite powders with various particle sizes have been prepared by hydrothermal method and the α-Al_2O_3 powders yielded after subsequent calcination have been studied. Dispersive crystalline boehmite powders of 30-100 nm, 0.4-0.6μm and 1μm in size were obtained respectively by changing the hydrothermal precursors and the pH value of hydrothermal slurry. Calcination of boehmite powders of 30-100 nm at 1250℃ for 1h resulted in the formation of single-phase α-Al_2O_3 , and the products consisted of vermicular particles. The boehmite powders of 0.4-0.6μm were also fully converted to α-Al_2O_3 at 1250℃, and the products consisted of plate-like particles with the same size of 0.4-0.6μm. The boehmite powders of 1μm calcined at 1350℃ for 2h were still composed of a little proportions of transition aluminas besides α-Al_2O_3, and the particles sintered severely. The reaction processes for the formation of crystalline boehmites under hydrothermal conditions and α-Al_2O_3 powders during calcination have been discussed. |
| 公开日期 | 2013-12-24 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/6974]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 推荐引用方式 GB/T 7714 | Hu P,Hu P,Hu P. Hydrothermal synthesis of boehmites with various particle sizes and transition to α-Al_2O_3 powders by calcination[J]. 广东有色金属学报,2005(Z1):581-585. |
| APA | 胡鹏,胡鹏,&胡鹏.(2005).Hydrothermal synthesis of boehmites with various particle sizes and transition to α-Al_2O_3 powders by calcination.广东有色金属学报(Z1),581-585. |
| MLA | 胡鹏,et al."Hydrothermal synthesis of boehmites with various particle sizes and transition to α-Al_2O_3 powders by calcination".广东有色金属学报 .Z1(2005):581-585. |
入库方式： OAI收割
来源：过程工程研究所
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