Hot-fluid-type attapulgite was used as raw materials and treated by calcine,acid cleaning and alkali cleaning respectively to obtain alter-attapulgite.

• 以热液型凹凸棒土为原料,分别采用煅烧、酸洗和碱洗的方法对其进行改性,考察改性凹凸棒土对酿酒用水含氟的脱氟效果。