Stability of Na-montmorillonite suspension in the presence of different cations and valences

作者: Jia Liu , Yunliang Zhao , Hongliang Li , Tianxing Chen , Shaoxian Song

DOI: 10.1080/01932691.2016.1218344

关键词:

摘要: ABSTRACTThe aim of this study was to investigate the effects inorganic cations (Na+, Ca2+, and Al3+) with different valences concentrations on stability Na-montmorillonite (Na-MMT) suspension. The studied by turbidity zeta potential measurements adsorption thermodynamics. results showed that Na-MMT particles coagulated at pH 3–4.8, which much inhibited higher concentration valence. This caused reduction electrostatic repulsion. Adsorption Ca2+ surface fits Freundlich curve model well. Furthermore, reduced then energy barrier between well obeyed classic DLVO theory.

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