在这一廊带中，由南向北其下马岭组沉积厚度和斑脱岩的层数逐渐增大。
From the south to the north, both the thickness of the third member of the Xiamaling Fm. and the number of K-bentonite layers increase gradually.
其主要采用斑脱岩、亚铁盐、活性碳在常温下进行粉碎，粉碎细度为80 ~ 100目，在常温下再进行混合搅拌1 ~2小时，堆放15 ~ 24小时成熟后即成产品。
The coagulant is produced with bentonite, ferrite and active carbon and through crushing to 80-100 mesh, mixing through stirring for 1-2 hr and stacking for 15-24 hr to mature.
其主要采用斑脱岩、亚铁盐、活性碳在常温下进行粉碎，粉碎细度为80 ~ 100目，在常温下再进行混合搅拌1 ~2小时，堆放15 ~ 24小时成熟后即成产品。
The coagulant is produced with bentonite, ferrite and active carbon and through crushing to 80-100 mesh, mixing through stirring for 1-2 hr and stacking for 15-24 hr to mature.
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