| 霞石浸出渣硝酸法制砂状氧化铝 |
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| 引用本文： | 沈礼善.霞石浸出渣硝酸法制砂状氧化铝[J].化工时刊,1998,12(7):25-27. |
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| 作者姓名： | 沈礼善 |
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| 作者单位： | 云南省沾益磷肥厂 655031 |
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| 摘 要： | 介绍硝酸处理霞石浸出渣，硝酸铝加入饱和氨水生成氢氧化铝和硝酸铵，氢氧化铝在气体悬浮炉中煅烧，生产砂状氧化铝的工艺流程及设备。预测产品的市场需求量。
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| 关 键 词： | 霞石 浸出渣 煅烧 砂状 氧化铝 硝酸法 |
Al_2O_3 Prepared from Leach Residue of Nepheline |
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| Shen Lishan.Al_2O_3 Prepared from Leach Residue of Nepheline[J].Chemical Industry Times,1998,12(7):25-27. |
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| Authors: | Shen Lishan |
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| Abstract: | The leach residue of nepheline is treated with nitric acid to produce aluminium nitrate, the latter was added in ammonia liquor to produce aluminium hydroxide and ammonium nitrate. Aluminium hydroxide is then burned out in a gas suspension furnace to give sand-like A12O3. |
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| Keywords: | Al2O3 nepheline leach residue preparation |
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