2006•Acta Scientiae CircumstantiaeRequires access

A preliminary study on the mechanism of nitrogen removal in a laboratory-scale bioreactor landfill

Liu Hai-chun

Abstract

The characteristics and the mechanism of nitrogen removal in a leachate recirculation biological reactor landfill system as well as in a nitrogen removal bioreactor landfill system have been studied by laboratory simulation experiments. The results that the biological environment provided in the nitrogen removal bioreactor landfill_ is more conducive for denitrifying bacteria growth, and propagation where the denitrifying bacteria population is always 1~3 orders of magnitude higher than in the leachate recirculation bioreactor landfill. And the NH+_4-N removal rate can reach about 90%.

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Key concepts: Denitrifying bacteria, Leachate, Bioreactor landfill, Bioreactor, Environmental science, Environmental engineering, Nitrogen, Denitrification