Supported by the National Natural Science Foundation of China(51208040);a General Financial Grant from the China Postdoctoral Science Foundation(2013M541382);the National or Beijing Level College Students Innovation Training Projects-‘Free ammonia and free nitrous acid combined with inhibition of nitrification of landfill leachate’(14010221065)and‘Anaerobic–aerobic treatment of landfill leachate’(13010282007)
A system consisting of a two-stage up-flow anaerobic sludge blanket (UASB) reactor and an anoxic/aerobic (A/O) reactor was used to treat municipal landfill leachate. Denitrification took place in the first stage o...