Removal of Acid Orange 7 dye in a packed bed bioreactor: Process optimization using response surface methodology and kinetic study
Abstract The removal of Acid Orange 7 dye was studied in a packed bed bioreactor (PBBR)
using bacterial consortium immobilized polyurethane foam (PUF) as packing material. The
process variables such as pH, hydraulic retention time, and dye concentration were
optimized using response surface methodology (RSM), and optimum conditions were
obtained as 7.5, 21.0 h, and 300 mg/L, respectively. The maximum dye removal of 87.31%
and chemical oxygen demand (COD) removal of 73.6% were obtained at optimum …
using bacterial consortium immobilized polyurethane foam (PUF) as packing material. The
process variables such as pH, hydraulic retention time, and dye concentration were
optimized using response surface methodology (RSM), and optimum conditions were
obtained as 7.5, 21.0 h, and 300 mg/L, respectively. The maximum dye removal of 87.31%
and chemical oxygen demand (COD) removal of 73.6% were obtained at optimum …
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