| 碳酸钠-粉煤灰烧结样中铝、铁、硅的酸浸规律 |
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| 引用本文： | 王金磊,乔秀臣. 碳酸钠-粉煤灰烧结样中铝、铁、硅的酸浸规律[J]. 医学教育探索, 2013, 0(6): 685-688 |
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| 作者姓名： | 王金磊 乔秀臣 |
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| 作者单位： | 华东理工大学材料科学与工程学院, 上海 200237;华东理工大学资源与环境工程学院, 上海 200237 |
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| 基金项目： | 国家“863”计划项目（2011AA06A102）；博士点基金(20110074110002)；华东理工大学基本科研业务费专项基金 |
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| 摘 要： | 系统研究了碳酸钠活化粉煤灰提取铝过程中铝、铁、硅的酸浸出规律。高温条件下，碳酸钠与粉煤灰中的莫来石反应形成霞石，同时释放出CO2;粉煤灰中铝、铁的酸浸规律一致，但铁更容易被浸出;烧结碳酸钠 粉煤灰样品中硅浸出发生在体系由烧结状态向完全熔融过渡的阶段，超过2%的氧化硅可以被浸出。
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| 关 键 词： | 粉煤灰； 碳酸钠； 烧结； 铝 |
| 收稿时间： | 2013-06-04 |
Acid Leaching of Al, Fe, Si from Sintered Mixture of Sodium Carbonate and Fly Ash |
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| WANG Jin-lei and QIAO Xiu-chen. Acid Leaching of Al, Fe, Si from Sintered Mixture of Sodium Carbonate and Fly Ash[J]. Researches in Medical Education, 2013, 0(6): 685-688 |
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| Authors: | WANG Jin-lei and QIAO Xiu-chen |
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| Affiliation: | School of Materials Science and Technology , East China University of Science and Technology, Shanghai 200237, China;School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China |
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| Abstract: | Acid leaching of Al, Fe and Si from sintered mixture of sodium carbonate (SC) and fly ash (FA) was investigated in this research. The results showed that nepheline was formed in the reaction of SC and mullite from FA, accompanied with the release of CO2. Leaching behavior of Fe was the same as that of Al, however, Fe was extracted easier. Silica was leached from SC FA mixture started transferring to complete melting from sintering state, and more than 2% of silica was leached. |
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| Keywords: | fly ash sodium carbonate sintering aluminum |
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