Wettability modification and restraint of moisture re-adsorption of lignite using cationic gemini surfactant
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- 作者：Shengyu Liua ; b ; liusytyut@sina.com" class="auth_mail" title="E-mail the corresponding author ; Xiaoyang Liua ; Zhongya Guoa ; Yutao Liua ; Jianying Guoa ; Suhong Zhanga
- 关键词：Gemini surfactant ; Lignite ; Adsorption ; Wettability ; Moisture re-adsorption
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：5 November 2016
- 年：2016
- 卷：508
- 期：Complete
- 页码：286-293
- 全文大小：991 K
文摘
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Wettability modification and restraint of moisture re-adsorption of lignite using surfactant 12-2-12 were investigated.
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Electrostatic forces play a dominant role in surfactant 12-2-12 adsorption.
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The oxygen-containing functional groups of coal surface are beneficial for surfactant 12-2-12 adsorption.
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Surfactant 12-2-12 was more effective than CTAB in resisting moisture re-adsorption.