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The role of aeration tank in industrial sewage treatment equipment
Industrial Sewage Treatment Equipment Sludge from the secondary sedimentation tank does not enter the aeration tank and enters the aeration tank for aeration. After the activity is restored, it enters the aeration tank for the desired reaction.
The starting point of industrial sewage treatment equipment is to ensure that there is a certain concentration of sludge in the tank, and the reflow times are 3-5 times higher than its concentration. Therefore, it is necessary to carry out concentration in the secondary settling tank, but the sludge is destroyed due to lack of oxygen. The metabolic function and activity are inhibited, and the sludge returned to the aeration tank needs a long time to recover. Since the sewage and sludge are mixed together, the regeneration process receives interference.
Specialized regenerators can be provided. Recycled sludge is aerated in the tank. The sludge enters the energy respiration phase. The activity is well restored or even strengthened. Then it enters the aeration tank and contacts with the sewage. Its adsorption, degradation and sedimentation functions are sufficient. Play. A portion can be removed at the front of the pool for regeneration.
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