Usage Urban sludge to closed mine reclamation and slope treatment

The development of mining activities had destructed and occupied a large amount of land resource, the ecological recovery has become one of the urgent problems of current world especially in China. Mine reclamation can revivify the utilization function of mining land, protect the farming land and renovate the ecologic environment. Zhu Ma-dian has rich mineral resources, part of the mine resources dried up after many years of mining activities, the reclamation of the closed mine pits and abandoned mine land is very urgent. This paper briefly introduces the use city sewage sludge to reclamation of the closed mine pits and abandoned mine land and treat high slope.