| 利用高铝粉煤灰种分法制备拟薄水铝石的基础研究 |
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| 引用本文： | 张伟光,张廷安,冯伟,吕国志. 利用高铝粉煤灰种分法制备拟薄水铝石的基础研究[J]. 有色金属(冶炼部分), 2016, 0(8): 22-26 |
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| 作者姓名： | 张伟光 张廷安 冯伟 吕国志 |
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| 作者单位： | 东北大学,东北大学,东北大学,东北大学 |
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| 基金项目： | 国家自然科学基金资助项目（U1202274）；中央高校基本科研业务费专项资金项目（N140203005，N140204015）；中国博士后科学基金项目（2015M581352） |
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| 摘 要： | 以高铝粉煤灰熟料经预脱硅—碱石灰烧结、溶出、二次脱硅后溶液为原料,通过晶种分解后生产拟薄水铝石产品,考察了种分条件对拟薄水铝石产品的影响,并对其进行表征。结果表明,种分法制备的拟薄水铝石产品孔容可达到0.829 1cm3/g,BET比表面积高达393.00m2/g,达到并优于普通大孔拟薄水铝石的理化指标,从而可实现高铝粉煤灰中铝资源的高附加值利用。
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| 关 键 词： | 高铝粉煤灰 晶种分解 拟薄水铝石 比表面积 孔容 |
| 收稿时间： | 2016-03-24 |
| 修稿时间： | 2016-04-08 |
Basic Research on Preparation of Pseudo-Boehmite from High-alumina Fly Ash with Seed Precipitation Method |
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| ZHANG Wei-guang,ZHANT Ting-an,FENG Wei and LV Guo-zhi. Basic Research on Preparation of Pseudo-Boehmite from High-alumina Fly Ash with Seed Precipitation Method[J]. Nonferrous Metals(Extractive Metallurgy), 2016, 0(8): 22-26 |
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| Authors: | ZHANG Wei-guang ZHANT Ting-an FENG Wei LV Guo-zhi |
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| Affiliation: | Key Laboratory of Ecological Metallurgy of Multi-metal Intergrown Ores of Ministry of Education,Northeastern University,,, |
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| Abstract: | Pseudo-boehmite product was prepared from high-alumina fly ash clinker by pre-desilicication, sintering with soda lime, dissolution, deep desilication and seed decomposition. Effect of parameters of seed decomposition on pseudo-boehmite was investigated. Pseudo-boehmite was characterized. The results show that pore volume and specific surface area of prepared pseudo-boehmite product can reach 0.829 1 cm3/g and 393.00 m2/g respectively, which are superior to those of macroporous pseudo-boehmite sample. Value-added utilization of high-alumina fly ash is achieved. |
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| Keywords: | high-alumina fly ash seed precipitation pseudo-boehmite specific surface area pore volume |
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