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首页> 美国政府科技报告 >Use of Phosphate Materials as Ameliorants for Acid Mine Drainage. Volume 1. The Use of Rock Phosphate (Apatite) for the Amelioration of Acid Mine Drainage from the Mining of Coal
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Use of Phosphate Materials as Ameliorants for Acid Mine Drainage. Volume 1. The Use of Rock Phosphate (Apatite) for the Amelioration of Acid Mine Drainage from the Mining of Coal

机译：磷酸盐材料作为酸性矿井排水改良剂的应用。第1卷。利用磷矿石（磷灰石）改善煤矿开采酸性矿井的方法

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Acid mine drainage is the primary environmental problem facing the high sulfur coal mining industry in West Virginia, parts of western Pennsylvania, Ohio, western Kentucky and Illinois. Earlier experiments conducted by these investigators have shown that phosphate rock could be used to reduce the acidity of the waste to acceptable levels. Thus, it is believed that addition of phosphatic clays would not only reduce the acidity but also would add phosphate as a plant nutrient. In addition, it would improve the physical and chemical properties of these soils. Therefore, it was the specific objective of the research to systematically evaluate the effectiveness of both rock phosphate and phosphatic clay slurries in ameliorating the acidity produced from waste materials through bench scale and small field scale experiments and to test the effectiveness of phosphatic clays as a topical additive to mine soils.

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