METHOD FOR EASILY TREATING NON-BIODEGRADABLE LIVESTOCK WASTEWATER BY INJECTING FERRIC CHLORIDE AND ACTIVE CARBON POWDER INTO WASTEWATER TREATMENT PROCESS

摘要

PURPOSE: To provide a method for treating non-biodegradable wastewater such as livestock wastewater, wherein the non-biodegradable livestock wastewater is easily treated by injecting ferric chloride and active carbon powder into the wastewater treatment process and reacting them with the non-biodegradable wastewater. CONSTITUTION: The method for treating non-biodegradable wastewater such as livestock wastewater comprises the steps of primarily injecting ferric chloride into wastewater so that ferric chloride is reacted with the wastewater; separating the reacted solution into solid and liquid so that biological treatment is easily performed in a later stage by reducing suspended solid and BOD concentration; and activating the wastewater while injecting ferric chloride into an activated sludge tank(aeration tank) that is a main process of the biological treatment, thereby degrading non-degradable materials and removing chromaticity of the treated wastewater, wherein the method further comprises a step of injecting active carbon powder into the treated wastewater contained in an aeration tank, thereby mixing and aerating the wastewater and active carbon powder to completely remove chromaticity from the treated wastewater.