Wastewater treatment method

• Main Authors: SODEYAMA KYOSUKE, YAMAUCHI SHINGO, YOSHINO HAJIME, MIKAMI YUSUKE
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

And the ammonium ion concentration and COD (Chemical Oxygen Demand) of the wastewater are obviously reduced while the usage amount of the oxidizing gas is reduced. A method for treating wastewater containing ammoniacal nitrogen, the method comprising: a first step for discharging at least a portion of the ammoniacal nitrogen from the wastewater; and a second step in which first treated wastewater, which is the wastewater that has passed through the first step, is subjected to wet oxidation treatment. 在减少氧化气体的使用量的同时，显著降低废水的铵离子浓度和COD。一种含有氨态氮的废水的处理方法，所述含有氨态氮的废水的处理方法包括以下工序：从所述废水中排出所述氨态氮的至少一部分的第一工序；对经过了所述第一工序的所述废水即第一处理废水进行湿式氧化处理的第二工序。