THE METHOD AND TREATMENT PROCESS OF WASTEWATER CONTAINING ORGANIC MATTER AND NITROGEN COMPOUNDS-LIVESTOCK WASTEWATER, DIGESTIVE WASTEWATER, FOOD WASTEWATER

摘要

PURPOSE: A method and apparatus for treating wastewater containing organic material and nitrogen components are provided to prevent environmental contamination by treating organic wastewater into a condition suitable for directly discharging into a river. CONSTITUTION: A method and apparatus for treating wastewater containing organic material and nitrogen components comprises: a step of anaerobic treating waste water for 1-2 hours; a step of introducing first treated water into an oxygen-free tank and stirring the same for 1-2 hours; a step of introducing the second treated water into an aerobic tank and aerobic treating the same; a step of introducing the third treated water into a precipitation tank and leaving the same for 2-4 hours for separating into liquid supernatant and solid sludge; a step of introducing the supernatant into a denitrification tank and denitrificating the same for 1-4 hours; and a step of introducing the fourth treated water into the aerobic tank and aerobic treating the same. [Reference numerals] (S10) First treating step of anaerobically treating waste liquid or wastewater through precipitation and degassing; (S20) Second treating step of stirring the anaerobically treated waste liquid or wastewater in an anoxic bath; (S30) Third treating step of aerobically treating aerating the stirred waste liquid or wastewater; (S40) Precipitating step of separating the aerobically treated waste liquid or wastewater into supernatant and solid sludge; (S50) Fourth treating step of sulfating and denitrifying supernatant using sulfating and denitrifying microorganisms; (S60) Fifth treating step of aerating sulfated and denitrified waste liquid or wastewater