A novel process configuration was designed to increase biofilm growth in tertiary moving bed reactors (MBBRs) by providing additional substrate from primary treated wastewater a sidestream reactor under different redox conditions order improve micropollutant removal MBBRs with low availability. This recirculating MBBR operated on pilot scale for 13 months, and systematic seen the biomass concen...

The moving bed biofilm reactor (MBBR) has proven to be an effective system for the treatment of municipal and industrial wastewater. main operating mechanism reactors is growth attached biomass in carriers bioreactor with mixing provided by diffusers aerobic bioreactors or mechanical stirrers anoxic/anaerobic bioreactors. Biofilm formation a complex process affected microbial composition proper...

The effectiveness of four different electron donors, specifically methanol, ethanol, glycerol, and sulfide (added as Na(2)S), were evaluated in post-denitrifying bench-scale moving bed biofilm reactors (MBBRs). With the requirement for more wastewater treatment plants to reach effluent total nitrogen levels approaching 3 mg/L, alternative electron donors could promote more rapid MBBR startup/ac...