Investigation of the Removal of 2-Nitrophenol Using Continuous Flow MSBR Reactor and Estimated Expiration

In this research, biological removal of phenol and orthonitrophenol (2np) pollutants fromwastewater by continuous moving bed sequencing batch reactor (msbr) was studied. theexperiments were conducted in various operational conditions to find out the optimum level of thesignificant parameters. best performance for removal of phenols was achieved when parameterswere set as follows: ph=7, sludge volume=30%, influent volumetric flow rate=20 ml.min^-1, numberof carriers=150 and aeration flow rate= 12 ml.min-1. at this optimum condition, 2np concentration,biochemical oxygen demand (bod5) and chemical oxygen demand (cod) indicators reduced84/7%, 94/8%and94%, respectively. cost analysis for this treatment method was also assessed andfinal cost for treatment of 24 l wastewater in each operation was evaluated as 4/46$/l. byincreasing treatment sessions, fixed costs would reduce and after treatment of 500 l wastewater,break-even point would achieve, which would turn the final costs down to 2.4 $/l.