METHOD FOR TREATING SEWAGE AND WASTEWATER USING CHLORINE-BASED COAGULANT AND ELECTROLYSIS

PURPOSE: To exclude additional injection of electrolyte during electrolysis of wastewater by feeding Cl-based coagulant in wastewater for chemical coagulation before electrolysis, thereby improving wastewater treatment efficiency with less chemical cost. CONSTITUTION: The method comprises steps of (...

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Bibliographische Detailangaben
Hauptverfasser: KIM, TAK HYEON, KIM, SANG YONG
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:PURPOSE: To exclude additional injection of electrolyte during electrolysis of wastewater by feeding Cl-based coagulant in wastewater for chemical coagulation before electrolysis, thereby improving wastewater treatment efficiency with less chemical cost. CONSTITUTION: The method comprises steps of (a) feeding Cl-based coagulant into wastewater to bond colloid particles and then flash mixing; (b) agitating the wastewater slow to flocculate colloid particles; (c) settling flocculated colloid particle included in wastewater; and (d) treating supernatant by electrolysis.