why is a air mixed with swage?
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The sewage is decomposed into carbon dioxide, water, and inorganic sewage. The air is forced through the diffuser into the air chamber. ... It is for this reason; controlled pressure is important inside the sewage treatment plant as this will help in proper mixing and decomposition by the agitation caused by air bubbles.
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An activated sludge process will also be used to eliminate the bacteria by bringing the bacteria into close contact with air and sludge. After the sewage leaves the sedimentation tank, it is pushed into an aeration tank. Here, the sewage is mixed with air and sludge and will remain in place for at least a few hours.
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