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    • 6. 发明授权
    • Sludge treatment apparatus
    • 污泥处理设备
    • US07288191B2
    • 2007-10-30
    • US10961113
    • 2004-10-12
    • Nozomu YasunagaToshiyuki KamiyaNaoki NakatsugawaJunji Hirotsuji
    • Nozomu YasunagaToshiyuki KamiyaNaoki NakatsugawaJunji Hirotsuji
    • C02F11/14
    • C02F11/00C02F1/52C02F1/78Y10S210/906
    • A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a step of foaming a sludge-containing liquid by blowing an ozone-containing gas into the sludge-containing liquid; and a step of eluting phosphorus in the sludge-containing liquid by bringing sludge adsorbed on bubbles and a sludge-dissolving agent into contact with each other. The sludge treatment method may further include the steps of: separating the phosphorus eluted sludge-containing liquid into a phosphorus eluate and a residual sludge; and precipitating a phosphorus compound by adding a coagulant to the separated phosphorus eluate.
    • 一种污泥处理方法,通过有效地洗脱污泥中的磷,可以提高磷回收率和污泥体积减少。 污泥处理方法包括:通过将含臭氧的气体吹入含污泥的液体中使含污泥的液体发泡的步骤; 以及通过使吸附在气泡上的污泥和污泥溶解剂彼此接触来洗脱含污泥的液体中的磷的步骤。 污泥处理方法还可以包括以下步骤:将含磷洗脱的含污泥的液体分离成磷洗脱液和残留污泥; 并通过向分离的磷洗脱液中加入凝结剂而沉淀出磷化合物。
    • 9. 发明授权
    • Waste water ozonization process and apparatus
    • 废水臭氧化过程和设备
    • US06303034B1
    • 2001-10-16
    • US09084951
    • 1998-05-28
    • Toshiyuki KamiyaJunji HirotsujiSatoru ShionoSeiji Furukawa
    • Toshiyuki KamiyaJunji HirotsujiSatoru ShionoSeiji Furukawa
    • C02F178
    • C02F3/12C02F1/78Y02W10/15
    • During a waste water treatment process such as an activated-sludge process using microorganisms, the present invention ozonizes a microorganism-mixed liquid. It reduces the amount of microorganisms remaining, prevents a microorganism floc from sedimenting inappropriately, and recovers appropriate sedimentation while maintaining treatment performance. A waste water ozonization apparatus according to an embodiment of the present invention can include a sludge drawing pump which draws a microorganism-mixed liquid from an aeration vessel; an ozonizer for generating ozone gas which reacts with the microorganism-mixed liquid; an ozonization vessel which injects the ozone gas generated by the ozonizer into the drawn microorganism-mixed liquid; an ozonized-sludge channel that returns the ozonized microorganism-mixed liquid to the aeration vessel; and a control section for intermittently performing an ozonization operation.
    • 在使用微生物的活性污泥法等废水处理过程中,本发明臭氧化微生物混合液。 它可以减少微生物的剩余量,防止微生物絮体不适当的沉淀,同时恢复适当的沉淀,同时保持处理效果。 根据本发明实施例的废水臭氧化装置可以包括从曝气容器抽取微生物混合液体的污泥抽吸泵; 用于产生与微生物混合液反应的臭氧气体的臭氧发生器; 将由臭氧发生器产生的臭氧气体注入拉伸的微生物混合液体中的臭氧化容器; 臭氧化污泥通道,将臭氧化微生物混合液体返回到曝气容器; 以及用于间歇地进行臭氧化操作的控制部。