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    • 24. 发明授权
    • Wastewater pretreatment method and sewage treatment method using the pretreament method
    • 废水预处理方法和污水处理方法采用预处理方法
    • US09169143B2
    • 2015-10-27
    • US13512424
    • 2010-12-01
    • Jinmin LiLiankui ZhouDayong Li
    • Jinmin LiLiankui ZhouDayong Li
    • C02F3/30C02F11/02
    • C02F3/30C02F11/02Y02W10/27Y10S210/906
    • A pretreatment method is provided, which comprises the following steps: (1) wastewater feed is introduced into a first end of a first aeration basin, and is mixed with a first concentrated mixed liquor to obtain a first mixed liquor; (2) the first mixed liquor is aerated in the aeration stage of the first aeration basin to obtain a second mixed liquor at a second end of the first aeration basin; (3) the second mixed liquor is introduced into a first sedimentation basin to obtain a supernatant and the first concentrated mixed liquor; (4) the supernatant is discharged and at least a part of the first concentrated mixed liquor is returned to the first end of the first aeration basin. At the same time, a sewage treatment method using the wastewater pretreatment method is provided. The pretreatment method can be used steadily for a long time without discharging sludge.
    • 提供了一种预处理方法,其包括以下步骤:(1)将废水进料引入第一曝气池的第一端,并与第一浓缩混合液混合以获得第一混合液; (2)将第一混合液在第一曝气池的曝气阶段充气,以在第一曝气池的第二端获得第二混合液; (3)将第二混合液引入第一沉淀池中以获得上清液和第一浓缩混合液; (4)排出上清液,至少一部分第一浓缩混合液体返回到第一曝气池的第一端。 同时,提供了使用废水预处理方法的污水处理方法。 预处理方法可长期稳定使用,不会污泥排出。
    • 28. 发明授权
    • Method and apparatus for sluge treatment and use thereof in sewage biotreatment
    • 污水处理中污水处理及其使用的方法和装置
    • US08932466B2
    • 2015-01-13
    • US13509599
    • 2010-05-28
    • Jinmin LiLiankui ZhouDayong Li
    • Jinmin LiLiankui ZhouDayong Li
    • C02F3/30C02F11/02
    • C02F3/30C02F11/02Y02W10/27Y10S210/906
    • The present invention provides a method for sludge treatment, comprising the following steps: (1) mixing a sludge feed from a sewage biotreatment process with a first mixed liquor to obtain a second mixed liquor; (2) subjecting the second mixed liquor to an oxygen-supplying process to obtain a third mixed liquor; (3) subjecting the third mixed liquor to an anoxic process to obtain a fourth mixed liquor; (4) separating the fourth mixed liquor to obtain a supernatant liquid and a first concentrated mixed liquor; (5) discharging the supernatant liquid, and returning at least a part of the first concentrated mixed liquor as the first mixed liquor to the step (1), wherein the amount of sludge of the first concentrated mixed liquor that does not return to the step (1) is less than the amount of sludge of the sludge feed. The present invention further relates to the use of the method for sludge treatment in sewage treatment. The method for sludge treatment can achieve a long term stable run without sludge discharge.
    • 本发明提供了一种污泥处理方法,包括以下步骤:(1)将来自污水生物处理过程的污泥进料与第一混合液混合,得到第二混合液; (2)使第二混合液经受供氧过程,得到第三混合液; (3)对第三混合液进行缺氧处理,得到第四混合液; (4)分离第四混合液以获得上清液和第一浓缩混合液; (5)排出上清液,并将至少一部分第一浓缩混合液作为第一混合液返回到步骤(1),其中第一浓缩混合液的污泥量不返回到步骤 (1)小于污泥进料的污泥量。 本发明还涉及污水处理中污泥处理方法的应用。 污泥处理方法可以长期稳定运行,无污泥排放。