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A microbial consortium attached onto a polyethylene support was used to evaluate the simultaneous oxidation of sulfide and phenol by denitrification. The phenol, sulfide and nitrate loading rates applied to an inverse fluidized bed reactor were up to 168mg phenol–C/(ld), 37mg S 2− /(ld) and 168mg NO 3− –N/(ld), respectively. Under steady state operation the consumption efficiencies...
Biofilm-internal and external mass transfer resistance was investigated in laboratory-scale nitrifying suspended carrier reactors (SCR), demonstrating the importance of these factors for these increasingly popular reactor systems. Controlled respirometric experiments revealed that oxygen mass transfer resistance regulated the process performance up to a DO concentration of 20mgL −1 . External...
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