Drilling wastewater treatment system
The utility model discloses a drilling wastewater treatment system which comprises a pretreatment system and an advanced treatment system which are connected in sequence, the pretreatment system comprises a first regulating tank, a first coagulation tank, a first flocculation tank, a first sedimenta...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a drilling wastewater treatment system which comprises a pretreatment system and an advanced treatment system which are connected in sequence, the pretreatment system comprises a first regulating tank, a first coagulation tank, a first flocculation tank, a first sedimentation tank, a first Fenton reaction device, a second coagulation tank, a second flocculation tank and a second sedimentation tank which are connected in sequence; the advanced treatment system comprises a USAB anaerobic tank, an activated sludge tank and a third sedimentation tank which are connected in sequence. The drilling wastewater treatment system disclosed by the utility model is stable in operation, simple in process and high in treatment efficiency; when the drilling wastewater treatment system disclosed by the utility model is used for treating the drilling wastewater, the effluent quality can meet the requirements that petroleum is less than or equal to 4mg/L and COD is less than or equal to 100mg/L.
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