The results show that the biotoxicity of leachate treated by the anaerobic bioreactor landfill system gradually decreases with landfill time prolongation.

• 结果表明,通过将渗滤液回灌使其在厌氧生物反应器填埋系统中得到处理,可使渗滤液的生物毒性随填埋时间的延长而逐渐降低;