... ,Improving sewage biochemical 2,Processing costs low 3,Prevent sludge bulking 4,Get a higherBOD,COD andAmmonia oxygen Technology Characterisitics ... pool, pool biological choice, prevent the happening of the sludge bulking.2,In aerobic treating lead strengthen hydrolysis in ... strengthening the pool, pool hydrolysis, sewage and sludge fully contact with the mixture, not only can degrade ...