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对废白土提纯土制备有机膨润土的工艺条件进行了最优化实验研究，并通过红外光谱、Ｘ－衍射谱、热重差热谱、黏度和溶胀性的测定与美国有机膨润土进行比较，结果显示，用废白土提纯土合成的有机膨润土的各项技术指标与美国有机膨润土相当．
The optimal experimental conditions for the preparation of organic bentonite from waste white soil were compared with that of American organic bentonite by infrared spectroscopy, X-ray diffraction, TG-DTA, viscosity and swelling test. The technical indicators of organic bentonite synthesized from waste clay are equivalent to those of American organic bentonite.