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    • 5. 发明公开
    • METHOD AND DEVICE FOR REDUCING VOLUME OF EXCESS SLUDGE
    • VERFAHREN VORRICHTUNG ZUR VOLUMENREDUKTION VONÜBERSCHUSSSCHLAMM
    • EP1329426A1
    • 2003-07-23
    • EP01972717.1
    • 2001-10-09
    • Able Co., Ltd.Zhang, Shu Ting
    • ZHANG, Shu TingYOSHIMURA, ToshikiMISEKI, Kunihiko
    • C02F11/02
    • C02F3/1221C02F1/36Y02W10/15
    • The invention offers a method and apparatus for solubilizing excess sludge, having a high solubilizing ability, a low total cost, and capable of reducing the size of facilities. The method for reducing excess sludge comprises adding a solubilizing agent to excess sludge generated by microbial treatment of organic sewage, applying ultrasonic waves, applying a reduced pressure swelling step, then returning the result to the microbial treatment, whereby the volume of the excess sludge can be reduced. The apparatus for reducing excess sludge comprises means for adding a solubilizing agent to excess sludge generated by applying a microbial treatment to organic sewage, ultrasonic wave applying means for applying ultrasonic waves, and reduced pressure swelling means provided downstream of the ultrasonic wave applying means for applying a reduced pressure swelling process to the excess sludge.
    • 本发明提供了一种溶解多余污泥的方法和装置,其具有高溶解能力,低总成本,并能够减小设备尺寸。 减少过量污泥的方法包括向通过微生物处理有机污水产生的过剩污泥中加入增溶剂,施加超声波,施加减压膨胀步骤,然后将结果返回微生物处理,由此过量污泥的体积 减少 用于减少多余污泥的装置包括将增溶剂添加到通过对有机污水进行微生物处理而产生的过量污泥,用于施加超声波的超声波施加装置和设置在超声波施加装置的下游的减压膨胀装置的装置, 对过剩的污泥进行减压膨胀过程。