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    • 8. 发明专利
    • Organic wastewater treatment equipment
    • JP5300898B2
    • 2013-09-25
    • JP2011057128
    • 2011-03-15
    • 株式会社東芝
    • 卓巳 小原正城 佐竹勝也 山本寛幸 時本錦陽 胡
    • C02F3/34C02F3/04C02F3/06
    • Y02W10/15
    • PROBLEM TO BE SOLVED: To provide an organic wastewater treatment apparatus which can be operated and maintained at low cost without inhibiting the reaction in an anaerobic treatment reactor. SOLUTION: The organic wastewater treatment apparatus includes: an anaerobic reactor 3 that processes raw water that consists of organic wastewater anaerobically; an aerobic reactor 4 that is provided on the subsequent stage of the anaerobic reactor, aerobically processes the anaerobically treated water, and has a sprinkling mechanism for sprinkling the aerobically treated water to an aerobic microorganism support part from above; a bypass line L3 that is connected with the aerobic reactor to supply the raw water directly to the aerobic reactor without passing in the anaerobic reactor; water quality measuring means 11 and 12 that measure at least one water quality parameter showing the status of the nitrification reaction of the treated water that flows out from the aerobic reactor; a means 13 that sets a threshold of the water quality parameter to be a reference for determining the water quality of the treated water; and a control means 10 that compares the measured value of the water quality parameter by the water quality measuring means with the threshold, and supplies a portion or the total amount of the raw water directly to the aerobic reactor through the bypass line L3 without passing the anaerobic reactor when the measured value is off the threshold. COPYRIGHT: (C)2013,JPO&INPIT