But in the water phase, the natural bentonites will expand and suspend and form liquid colloid. When treating industrial waster-water using natural bentonites, it has not good effect and it is too difficult to separate solid and liquid phase.
但由于膨润土在水相体系中具有膨胀性及悬浮性，在水介质中分散，呈胶体状态，当直接用膨润土原土对工业废水处理时，不仅效果差，且固液难分离。
参考来源 - 新型复合插层有机膨润土的制备及其在水处理中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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