乙酸镁改性对凹凸棒黏土微结构和黏度的影响
Effects of Modification by Magnesium Acetate on Microstructure and Viscosity of Attapulgite Clay
查看参考文献14篇
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文摘
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选用不同浓度乙酸镁对凹凸棒黏土进行改性处理,采用FT-IR、XRD和SEM进行了结构表征,测定了改性前后凹凸棒黏土的比表面积、组成和Zeta电位,考察了乙酸镁浓度对凹凸棒黏土在自来水和饱和氯化钠盐水中黏度的影响。结果表明,在乙酸镁浓度为10%时,改性凹凸棒黏土表现出最高的黏度,乙酸镁与棒晶间的离子交换作用是黏度提高的主要因素。 |
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其他语种文摘
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The attapulgite was modified by different concentration of magnesium acetate solutions.The effect of modification on the micro-structure and physico-chemical properties of attapulgite was revealed by infrared spectroscopy(FT-IR),X-ray diffraction(XRD),scanning electronic microscope(SEM),BET specific area,chemical composition and Zeta potentials analyses.The effect of the concentration of magnesium acetate on the viscosity of attapulgite suspension in distilled water and saturated NaCl solution was studied.The results indicated that the modified attapulgite exhibits the best viscosity in both distilled water and saturated NaCl solution with magnesium acetate concentration of 10% and the ion-exchange between magnesium acetate with attapulgite is the main factor to improve the viscosity. |
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来源
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硅酸盐通报
,2012,31(3):516-520 【核心库】
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关键词
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凹凸棒黏土
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乙酸镁
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黏度
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微结构
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地址
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1.
中国科学院兰州化学物理研究所盱眙凹土应用技术研发中心, 兰州, 730000
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兰州理工大学石油化工学院, 兰州, 730050
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-1625 |
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学科
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地质学 |
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基金
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江苏省重大创新载体建设项目资助
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文献收藏号
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CSCD:4562669
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