Treatment of tannery wastewater in a hybrid biological reactor
by Debabrata Mazumder, Somnath Mukherjee, Pradip K. Ray
International Journal of Environment and Pollution (IJEP), Vol. 34, No. 1/2/3/4, 2008

Abstract: A shaft-type hybrid bioreactor treated composite wastewater of a chrome tannery manufacturing 'wet-blue leather'. The sample was treated under suspended growth and then hybrid system with 20 g/L of 5 mm tyre tube beads in batch mode. The continuous study was made under suspended growth and hybrid system with 10-30 g/L of beads. The kinetic coefficients K_s, k, Y and k were 170.83 mg/L, 0.0397 h⁻¹, 0.3629 and 0.0035 h⁻¹ respectively. The maximum COD removal was 70.9% under a loading rate of 5.250 kg/day/m³. The overall removal rate ranged from 0.0824-0.1004/h for the hybrid system.

Online publication date: Thu, 16-Oct-2008

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