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| Effect of Dissolving-Out Temperature and Pressure on the Structure of Sodium Aluminate Solution |
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Received:April 27, 2010
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.01.005 |
| KeyWord:Sodium aluminate solution；Dissolving-out；Temperature and pressure；Structure；Morphology |
| Author | Institution |
| ZHANG Shao-yun |
中南大学化学化工学院 |
| LIU Yun-qing |
中南大学化学化工学院 |
| CHEN Qi-yuan |
中南大学化学化工学院 |
| MA Jian-ye |
中南大学化学化工学院 |
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| Abstract: |
| The relationships between dissolving-out temperature and pressure, the structure of sodium aluminate solution and products morphology were studied using IR, UV, XRD, SEM. The results show that the dissolving-out temperature and pressure have great influence on the structure of sodium aluminate solution and products morphology. The main anion is Al(OH)4- and the products is loose at higher temperature and higher pressure, the main anions are Al(OH)4- and [(HO)3Al-O-Al(OH)3]2-, the products is compact at lower temperature and lower pressure. Dissolving-out temperature pressure have no obvious effect on the structure of products. |
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