Sewage treatment device based on pre-denitrification
The sewage treatment device comprises a sewage tank, an anoxic tank, an aerobic tank and a sedimentation tank, the sewage tank, the anoxic tank, the aerobic tank and the sedimentation tank are sequentially communicated, sewage in the sedimentation tank flows back to the anoxic tank through a return...
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Format: | Patent |
Sprache: | chi ; eng |
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