Patent ID: 7976707
Filing Date: 2011-07-12
Classification: C02F,Y02E,Y02W

Abstract:
1. An apparatus for treating organic-containing wastewater comprising: anaerobic biological treatment means for anaerobically biologically treating organic-containing wastewater; aerobic biological treatment means for aerobically biologically treating the anaerobically biologically treated water flowing out of the anaerobic biological treatment means; solid-liquid separation means for performing solid-liquid separation of the aerobically biologically treated water flowing out of the aerobic biological treatment means; and reverse osmosis membrane means for removing dissolved substances contained in the water separated by the solid-liquid separation means, wherein said anaerobic biological treatment means comprises one tank for performing acid generation reaction and methane generation reaction simultaneously or two tanks for performing the acid generation reaction and the methane generation reaction, separately, and provides a COD the aerobic biological treatment means provides an aeration tank load of 0.03-1.80 Kg-BOD/m