Abstract
The degradation of pollutants in a moving bed and constructed wetland (MBCW) integrated bioreactor depended on rich microbial diversity and complex community structure. Sludge yield characteristics showed this system had an advantage on sludge decrement. Removal of pollutants was mainly through a simultaneous nitrification denitrification and further denitrification (SND-DN) process, according to the analysis of removal mass balance and contribution. Based on the fluidization characteristics of mixed biocarriers, the overall first-order kinetic model of MBCW system was constructed. The comparison between theoretical and measured values proved the kinetic model of CODCr, NH3-N and TN removal was validated.
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