Traditional Culture Encyclopedia - Traditional culture - Three different processes, SBR process, contact oxidation process and activated sludge process, were compared comprehensively.
Three different processes, SBR process, contact oxidation process and activated sludge process, were compared comprehensively.
Contact oxidation: 1, BOD has large volume load, large sludge amount and strong impact load resistance; 2, short treatment time; 3, no sludge bulking; 4, intermittent operation; 5, biofilm has strong adaptability to intermittent operation; and 5, it is convenient to maintain, no sludge backflow and less residual sludge.
Activated sludge process: divided into plug flow type and complete mixing type;
Push traffic: 1. The dissolved oxygen content of the mixed liquor in the front stage is low and gradually increases along the length of the tank, so the treatment effect is good and stable. 2. The concentration of influent organic matter should not be too high, the former stage is easy to form anaerobic, and the impact load resistance is poor.
Completely mixed: 1. The water quality of each point in the pool is basically the same, which has the function of diluting and homogenizing the incoming water and has strong impact load resistance. 2. The pond has a single water quality, low degradation capacity and easy sludge bulking.
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