| 碱式硫酸镁晶须的制备 |
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| 引用本文： | 郭淑元,张雨山,黄西平,董泽亮.碱式硫酸镁晶须的制备[J].化学工业与工程,2011,28(2):35-39. |
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| 作者姓名： | 郭淑元 张雨山 黄西平 董泽亮 |
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| 作者单位： | 国家海洋局天津海水淡化与综合利用研究所，天津 300192 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金项目(编号:K-JBYWF-2008-G12G2010-07T2010-03) |
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| 摘 要： | 利用苦卤与工业氨水反应制备氢氧化镁滤饼，按比例将其与一定浓度的七水硫酸镁溶液置于高压反应釜中，通过水热反应制备碱式硫酸镁晶须，主要考察了物料配比、七水硫酸镁浓度、反应温度、搅拌速度和反应时间对晶须晶形的影响，得出适宜条件为：七水硫酸镁的浓度为08 mol/L，m(七水硫酸镁)∶m(氢氧化镁)为2∶1，反应温度为160 ℃，搅拌速度为300 r/min，反应时间为8 h。并对在此条件下合成的晶须进行了化学分析、电镜扫描(SEM)观察、X射线衍射(XRD)分析及TG DTG分析。
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| 关 键 词： | 碱式硫酸镁 晶须 水热反应 |
Preparation of Basic Magnesium Sulfate Whisker |
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| GUO Shu-yuan,ZHANG Yu-shan,HUANG Xi-ping,DONG Ze-liang.Preparation of Basic Magnesium Sulfate Whisker[J].Chemical Industry and Engineering,2011,28(2):35-39. |
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| Authors: | GUO Shu-yuan ZHANG Yu-shan HUANG Xi-ping DONG Ze-liang |
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| Affiliation: | Tianjin Institute of Seawater Desalination and Multi Purpose Utilization, State Oceanic Administration, Tianjin 300192, China |
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| Abstract: | The leached type Mg(OH)2 was prepared with brine and ammonia water as raw material.The leached type Mg(OH)2 and magnesium sulfate solution were put into the autoclave to prepare basic magnesium sulfate whiskers by hydrothermal reaction.The effects of concentration of magnesium sulfate heptahydrate,the temperature of the reaction,the rate of electric mixer,the raw material ratio,and the time of reaction on the preparation were discussed.The optimal experimental condition have been attained: The concentration... |
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| Keywords: | basic magnesium sulfate whiskers hydrothermal reaction |
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