Two kinds of pH buffers,lime and fly ash were used to adjust pH in the leachate,and the impacts on leachate recycle and waste stabilization were discussed.

• 本文采用两种缓冲剂,熟石灰和粉煤灰对渗滤液pH值进行调节,讨论它们对渗滤液回灌、废物稳定化的影响。