| abstract |
[PROBLEMS] To provide a method for purifying wastewater containing organic substances.n n n [Solution] In the method for purifying wastewater containing organic substances by performing supercritical treatment or subcritical treatment, the solid-liquid separation treatment is at least one selected from flocculant separation treatment, sedimentation separation treatment, flotation separation treatment, and filtration treatment. Pretreatment, followed by primary treatment, which is a biological treatment, and then purifying by treatment including a secondary treatment, which is a supercritical treatment or a subcritical treatment, for the treatment of wastewater containing organic substances. To provide. |