| 水热改性对氧化铝载体织构和表面性质的影响 |
| The Effect of Hydrothermal Modification on the Texture and Surface Properties of Alumina Support |
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| 摘要: |
| 关键词: 氧化铝载体 织构 表面性质 水热改性 |
| 基金项目: |
| Abstract: The alumina support was treated in the moderate aqueous hydrothermal condition to avoid from the excess growth of boehmite (AlOOH) crystals which usually results in the obvious decrease of the specific surface area (BET). The experimental results indicated that the hydrothermal treatment of the alumina support at 140 ℃ for 2 hours promoted the formation of the plate-like AlOOH crystallites on the surface of the support via dissolution-precipitation route. The occurrence of the nano plate-like structure led to the improvement in the structural and surface properties, such as the increase of the specific surface area, the surface hydroxyl concentration and the surface acidity. |
| Keywords: alumina support, texture, surface properties, hydrothermal modification |
| 投稿时间：2004-09-01 修订日期：2004-10-29 |
| 摘要点击次数: 1695 |
| 全文下载次数: 2123 |
| 李俊诚,向兰,冯旭,汪展文,魏飞.水热改性对氧化铝载体织构和表面性质的影响[J].无机化学学报,2005,21(2):212-216. |
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