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Phase hybrid bio-reactor (HBR) was used in treating coke-plant wastewater by adding submerging fiber-ball fillers in suspended growth activated sludge. The optimum operation parameters for the highest performance were determined. It is found that the hybrid biological reactor works well for the coke plant wastewater treatment in terms of COD, NH4+-N and other refractory organic compounds removal...
The effect of shear stress on the EPS secretion was investigated in a suspended carrier biofilm reactor. A sudden increase of shear stress on the biofilm enhanced the EPS- polysaccharides secretion after an acclimation period. However, as the biofilm's structure reestablished and reached a steady state again, the EPS-polysaccharides secretion dropped down and stayed at a value which approximated to...
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