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对几种天然岩土材料的氟释放和溶解性、不同ｐＨ值下降氟性、不同ｐＨ值下氟的释放性、活化条件、再生条件的研究，表明土样Ｓ１ 的吸附容量大、易再生、易活化。此工艺广泛适用于含氟饮用水的降氟
The study on the release and solubility of fluorine from several kinds of natural geomaterials, the decrease in fluorine at different pH values, the release of fluorine at different pH values, the activation conditions, and the regeneration conditions show that the soil sample S1 has a large adsorption capacity and is easy to regenerate. Easy to activate. This process is widely applicable to the defluoridation of fluoride-containing drinking water