7BULUSU,AYDILEK S,PETZRICK A H,et al.Remediation of abandoned mines using coal combustion by-products[J].Journal of Geotechnical and Geoenvironmental Engineering,2005,131(8):958-969.
8WAYBRANT K R,BLOWES D W.Treatment of mine drainage using permeable reactives barriers:column experiments[J].En-viron.Sci and Technol,2002,36(60):1349-1356.