Preparation of basic magnesium sulfate whiskers by rotor-stator reactor and hydrothermal method

SONG Yunhua; LI Jingjing; CHEN Jianming; YIN Jianjun

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Preparation of basic magnesium sulfate whiskers by rotor-stator reactor and hydrothermal method

更新时间：2025-12-10

- Preparation of basic magnesium sulfate whiskers by rotor-stator reactor and hydrothermal method
- CIESC Journal Issue 3, Pages: 756-761(2009)
- 作者机构：
  
  1. 北京化工大学教育部超重力工程研究中心
  2. 兰州理工大学石油化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 March 2009，
  
  Published：05 March 2009
- 稿件说明：
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SONG Yunhua, LI Jingjing, CHEN Jianming, et al. Preparation of basic magnesium sulfate whiskers by rotor-stator reactor and hydrothermal method[J]. CIESC Journal, 2009, (3): 756-761.
DOI：

SONG Yunhua, LI Jingjing, CHEN Jianming, et al. Preparation of basic magnesium sulfate whiskers by rotor-stator reactor and hydrothermal method[J]. CIESC Journal, 2009, (3): 756-761. DOI：

摘要

以一定浓度的MgSO4和NaOH溶液为原料，采用定-转子反应器制备碱式硫酸镁晶须前躯体，在170℃条件下进行水热反应6 h，制备出MgSO4·5Mg（OH）2·3H2O型碱式硫酸镁晶须（MOS），研究了不同的前躯体制备设备、反应物浓度、定-转子转速对产品质量的影响，确定了采用定-转子反应器结合水热法制备碱式硫酸镁晶须的工艺条件。利用此工艺条件，通过在100L高压反应釜中进行中试，得到了质量较好的碱式硫酸镁晶须。采用此工艺制得的晶须长径比大于50，直径0.5～1.0 μm，表面光滑，分散性好。

Abstract

The whisker MgSO4·5Mg（OH）2·3H2O（MOS）was prepared by the hydrothermal method at 170℃ for 6 h，after NaOH solution and MgSO4 solution with a specific concentration reacting in a rotor-stator reactor. The effects of preparation equipment of intermediate product，reactant concentration and rotor speed on the product quality were discussed and the process conditions for the preparation of MOS by the rotor-stator reactor and the hydrothermal method were determined. Under the same conditions，good quality MOS was also prepared in a pilot test in 100 L autoclave. The whisker produced by this method was more than 50 in aspect ratio and 0.5—1.0 μm in diameter，with smooth surface and high dispersibility.

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