发明名称 Method to control acid rock drainage
摘要 A composition to control acid rock drainage is provided. The composition includes a slurry made from water and solids, the solids containing powders of limestone, clay and magnesium oxide or magnesium hydroxide. In some instances, the slurry is thixotropic and contains between 10 to 75 weight percent of solid powders. The solid powders can include between 40 to 75 weight percent limestone, 10 to 35 weight percent clay and 10 to 30 weight percent magnesium oxide or a proportional concentration of magnesium hydroxide.
申请公布号 US8586817(B2) 申请公布日期 2013.11.19
申请号 US201313741968 申请日期 2013.01.15
申请人 THE PENN STATE RESEARCH FOUNDATION 发明人 BARNES HUBERT L.
分类号 A62D3/36 主分类号 A62D3/36
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