| 从蛇纹石制备轻质碳酸镁和轻质氧化镁的新方法 |
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| 引用本文： | 骆开均,代厚全.从蛇纹石制备轻质碳酸镁和轻质氧化镁的新方法[J].四川师范大学学报(自然科学版),1993(6). |
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| 作者姓名： | 骆开均 代厚全 |
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| 作者单位： | 四川师范大学分析测试中心
(骆开均)，四川师范大学分析测试中心(代厚全) |
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| 摘 要： | 在富含氧化镁的蛇纹石中添加一种可分解的含氧无机盐,无机盐中金属氧化物与蛇纹石中二氧化硅按1:1摩尔比配方,在600—950℃下煅烧5—8小时.经分离、碳化、热分解,氧化镁提取率达90%以上.
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| 关 键 词： | 轻质氧化镁 蛇纹石 可分解含氧无机盐 高温煅烧 轻质碳酸镁 |
A NEW METHOD TO PREPARE LIGHT MAGNESIUM CARBONATE AND LIGHT MAGNESIA FROM SERPENTINE |
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| Luo Kaijun Dai Houquan.A NEW METHOD TO PREPARE LIGHT MAGNESIUM CARBONATE AND LIGHT MAGNESIA FROM SERPENTINE[J].Journal of Sichuan Normal University(Natural Science),1993(6). |
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| Authors: | Luo Kaijun Dai Houquan |
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| Institution: | Analysis and Testing Centre |
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| Abstract: | A new method to prepare light magnesium carbonate and light magnesia from serpentine is put forward in thepaper.The reaction conditions are discussed.Serpentine and a kind of salt consisted of oxo acid are mixed upaccording to the mole ratio of 1:1 of SiO_2 in serpentine to metal oxide in the salt at first.After the mixture goesthrough calcination,digestion,washing with water,carbonization by CO_2,decomposition by heating,and drying,light magnesium carbonate is gained.Light magnesia can be prepared by calcining of light magnesium carbonate.The recovery of MgO is 90%.At the same time,a high quality MgO can be obtained. |
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| Keywords: | light magnesium carbonate light magnesia serpentine salt of oxo acid calcination |
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