| 聚合氯化铝制备拟薄水铝石及其性质研究 | |
| Preparation and Property of Pseudoboehmite by Polyaluminum Cloride | |
| 摘要: | |
| 关键词: 聚合氯化铝 拟薄水铝石 γ-Al2O3 制备 表面活性剂 | |
| 基金项目: | |
| Abstract: Pseudoboehmite and its derivative were prepared from polyaluminum chloride. EDX, XRD and low temperature nitrogen adsorption-desorption were employed to characterize the samples obtained. The effects of alkaline, polyethylene glycol(PEG) surfactant with different molecular weights on phase and surface area of pseudoboehmite were investigated. The results show that NH3·H2O and NaOH can be used as alkaline solution to prepare pure pseudoboehmite. γ-Al2O3 can be obtained in the range of 450 to 750 ℃. Surface area and pore volume decrease but the diameter increases with the increase of calcination temperature. With the increase of PEG molecular weight, the surface area and pore volume of γ-Al2O3 first increases, then decreases. PEG1000 is most suitable for increasing surface area of γ-Al2O3 and surface area of 396 m2·g-1 can be obtained. | |
| Keywords: polyaluminum cloride pseudoboehmite γ-Al2O3 preparation surfactant | |
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| 赵长伟,何劲松,任晓晶,栾兆坤,王 军,贾智萍.聚合氯化铝制备拟薄水铝石及其性质研究[J].无机化学学报,2010,26(3):521-524. | |
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