Study on the Rheological Fluctuation Behavior of Mg-Al-Hydrotalcite- like Compound/Kaolinite Suspensions

Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (02): 153-156. Previous Articles Next Articles

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Mg-Al类水滑石/高岭土分散体系流变振荡现象研究

戴肖南*^,1，侯万国^2，赵超¹

(¹山东轻工业学院化学工程学院济南 250100)
(²山东大学胶体与界面化学教育部重点实验室济南 250100)

投稿日期:2010-05-03 修回日期:2010-06-22 发布日期:2011-09-02
通讯作者: 戴肖南 E-mail:sddxn@163.com
基金资助:
山东省中青年科学家科研奖励基金

Study on the Rheological Fluctuation Behavior of Mg-Al-Hydrotalcite- like Compound/Kaolinite Suspensions

Dai Xiaonan*^{,1 Hou Wanguo² Zhao Chao¹}

(¹Department of Chemical Engineering, Shandong Institute of Light Industry, Jinan 250100)
(²Key Laboratory for Colloid and Interface Chemistry of Education Ministry, Shandong University, Jinan 250100)

Received:2010-05-03 Revised:2010-06-22 Published:2011-09-02

Abstract

The rheological fluctuation behavior of apparent viscosity η with t was found in Mg-Al-Hydrotalcite-like compound/kaolinite (Mg-Al-HTlc/kaolinite for short) suspensions by steady shear experiment, and the influence of mass ratio of HTlc to kaolinite (R), steady shear rate (D_L), pH, electrolytes and polymers was investigated. It was found that the fluctuation behavior would disappear when D_L and the concentration of electrolytes were relatively high. The pH value and polymers would change the amplitude of the fluctuation behavior. The results were discussed on the basis of the interactions between the HTlc and kaolinite particles.

Key words: fluctuation behavior, hydrotalcite-like compound, kaolinite, suspension, viscosity

CLC Number:

O648

Cite this article

DAI Xiao-Nan, HOU Wan-Guo, ZHAO Chao. Study on the Rheological Fluctuation Behavior of Mg-Al-Hydrotalcite- like Compound/Kaolinite Suspensions[J]. Acta Chimica Sinica, 2011, 69(02): 153-156.

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Mg-Al类水滑石/高岭土分散体系流变振荡现象研究

Study on the Rheological Fluctuation Behavior of Mg-Al-Hydrotalcite- like Compound/Kaolinite Suspensions

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