PROCESS, APPARATUS AND MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT
    172.
    发明申请
    PROCESS, APPARATUS AND MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT 有权
    过程,装置和膜生物反应器用于废水处理

    公开(公告)号:US20130264282A1

    公开(公告)日:2013-10-10

    申请号:US13994403

    申请日:2011-12-16

    IPC分类号: C02F3/30

    摘要: Wastewater influent is supplied to an aeration zone having a membrane module. Activated sludge is established in the aeration zone and an oxygen surplus is maintained by controlling a rate of oxygen supplied to the aeration zone. Wastewater influent is mixed with the activated sludge to form a first mixed liquid. A portion of the first mixed liquid is filtered to form a filtrate and unfiltered activated sludge. The unfiltered activated sludge is mixed with the activated sludge in the aeration zone to form the first mixed liquid. A portion of the first mixed liquid is transferred from the aeration zone to an anaerobic zone, and a second portion of first mixed liquid is mixed with activated sludge in the anaerobic zone to form a second mixed liquid. The second mixed liquid is recycled to the aerobic zone.

    摘要翻译: 废水进入到具有膜组件的曝气区。 在曝气区建立活性污泥,通过控制供应给曝气区的氧气的比例来维持氧剩余。 废水进水与活性污泥混合形成第一混合液。 将一部分第一混合液体过滤以形成滤液和未过滤的活性污泥。 将未过滤的活性污泥与曝气区中的活性污泥混合以形成第一混合液体。 第一混合液的一部分从曝气区转移到厌氧区,第二混合液的第二部分与厌氧区中的活性污泥混合,形成第二混合液。 将第二混合液再循环至需氧区。

    SEWAGE TREATMENT APPARATUS
    174.
    发明申请
    SEWAGE TREATMENT APPARATUS 审中-公开
    水处理设备

    公开(公告)号:US20130098815A1

    公开(公告)日:2013-04-25

    申请号:US13806675

    申请日:2011-01-19

    IPC分类号: C02F3/30

    CPC分类号: C02F3/30 C02F3/308

    摘要: The present invention relates to a sewage treatment apparatus, more specifically to a sewage treatment apparatus which does not only supply high quality treated water with uniform diffusion of microorganism mixed liquor suspended solids (MLSS) and organic matters during hydraulic retention time (HRT), but also provides the target quality of treated water by adaptively treating changes in the quality of inflow water and properly removing nitrogen and phosphorus without the need for internal recycling.

    摘要翻译: 污水处理装置技术领域本发明涉及一种污水处理装置,更具体地涉及一种污水处理装置,其不仅在水力停留时间(HRT)期间提供微生物混合液悬浮固体(MLSS)和有机物质均匀扩散的高质量处理水,而且 还通过自适应地处理流入水质量的变化并适当地除去氮和磷而不需要内部循环,提供处理水的目标质量。

    METHOD FOR WET WEATHER WASTEWATER TREATMENT
    176.
    发明申请
    METHOD FOR WET WEATHER WASTEWATER TREATMENT 有权
    湿天然气处理方法

    公开(公告)号:US20130001159A1

    公开(公告)日:2013-01-03

    申请号:US13174673

    申请日:2011-06-30

    申请人: John H. Reid

    发明人: John H. Reid

    IPC分类号: C02F3/30 C02F3/12 C02F3/00

    摘要: Method for treating wastewater, in particular municipal wastewater, in which the wastewater is initially received in an equalization basin reactor for performing an infiltration and inflow equalization process. The equalization basin reactor has sufficient capacity for the increased inflow of wastewater received under wet weather conditions. However, the increased inflow is not merely stored in the equalization basin reactor for later processing, but the wastewater treatment process continues throughout the wet weather period with the first stage wastewater treatment being performed in the equalization basin reactor, which further provides a substantially constant outflow of partially treated wastewater for subsequent treatment stages.

    摘要翻译: 用于处理废水,特别是城市废水的方法,其中最初在均衡池反应器中接收废水以进行渗透和流入均衡过程。 均衡池反应堆具有足够的容量,用于在潮湿天气条件下吸收的废水的增加。 然而,增加的流入量不仅仅存储在均化池反应器中用于后续处理,而是在均匀流化床反应器中进行第一阶段废水处理,在整个潮湿天气期间继续进行废水处理过程,这进一步提供基本恒定的流出 的部分处理废水用于后续处理阶段。

    Membrane bioreactor
    178.
    发明授权
    Membrane bioreactor 失效
    膜生物反应器

    公开(公告)号:US08287733B2

    公开(公告)日:2012-10-16

    申请号:US12549346

    申请日:2009-08-27

    IPC分类号: C02F3/30

    摘要: The present invention relates to wastewater treatment facilities, and more particularly to an improved membrane bioreactor for treatment of wastewater. In one embodiment, a membrane bioreactor for treatment of wastewater includes first and second anoxic basins for anoxic treatment of such wastewater, and first and second aerobic basins for aerobic treatment of such wastewater. The bioreactor also includes a first flow path connecting the first anoxic basin and the first aerobic basin, and a second flow path connecting the second anoxic basin and the second aerobic basin, for flow of the wastewater from the respective anoxic basin into the respective aerobic basin. The bioreactor also includes a membrane chamber with a plurality of membrane tanks, the membrane chamber being arranged in series with the aerobic basins, and the membrane tanks being arranged in parallel with each other, and third and fourth flow paths connecting the membrane chamber to the first and second aerobic basins. The membrane chamber may extend into the aerobic basin.

    摘要翻译: 本发明涉及废水处理设备,更具体地涉及用于处理废水的改进的膜生物反应器。 在一个实施方案中,用于处理废水的膜生物反应器包括用于对这种废水进行缺氧处理的第一和第二缺氧池,以及用于对这种废水进行有氧处理的第一和第二需氧池。 生物反应器还包括连接第一缺氧盆和第一需氧盆的第一流路和连接第二缺氧盆和第二需氧盆的第二流路,用于将废水从相应的缺氧池流入相应的需氧水池 。 生物反应器还包括具有多个膜池的膜室,膜室与好氧盆串联布置,并且膜池彼此平行布置;以及第三和第四流动路径将膜室连接到 第一和第二需氧盆地。 膜室可以延伸到需氧盆中。

    Process for maximizing PHA production in glycogen accumulating organisms
    179.
    发明授权
    Process for maximizing PHA production in glycogen accumulating organisms 有权
    使糖原积累生物体中PHA产生最大化的方法

    公开(公告)号:US08187462B2

    公开(公告)日:2012-05-29

    申请号:US12704732

    申请日:2010-02-12

    IPC分类号: C02F3/30

    摘要: A process is provided for increasing the production of PHA in a mixed culture biomass. In a first stage of the process, organic material associated with a substrate is converted to volatile fatty acids. In the case of a wastewater treatment process, if the wastewater includes sufficient volatile fatty acids (VFAs) to support the process, then it is unnecessary to convert organic material to VFAs. In a second stage of the process, an anaerobic-aerobic selection process is utilized to select glycogen accumulating organisms that cause these organisms to proliferate and dominate the open mixed culture biomass. By providing relatively high organic loading in the form of VFAs in the anaerobic treatment phase of the selection process, glycogen accumulating organisms having a relatively high level of stored glycogen are produced. In a third stage, the PHA accumulation process is practiced where the glycogen rich organisms are fed VFAs under anaerobic or aerobic conditions or combinations thereof. Through the consumption of externally supplied VFAs and internally stored glycogen, relatively high levels of PHA in the biomass are produced. Thereafter PHA is separated from the residual biomass.

    摘要翻译: 提供了一种用于增加混合培养生物质中PHA生产的方法。 在该方法的第一阶段,与底物相关的有机材料转化成挥发性脂肪酸。 在废水处理方法的情况下,如果废水含有足够的挥发性脂肪酸(VFA)来支持该过程,则不必将有机物质转化为VFA。 在该方法的第二阶段中,利用厌氧 - 好氧选择方法来选择使这些生物体增殖并主导开放混合培养生物质的糖原积累生物体。 通过在选择过程的厌氧处理阶段提供相对高的有机负荷的形式,产生具有相对高水平储存的糖原的糖原积累生物体。 在第三阶段中,在富含糖原的生物体在厌氧或需氧条件下或其组合下进料VFA时,实施PHA积累过程。 通过消耗外部供应的VFAs和内部储存的糖原,生产生物质中相对较高水平的PHA。 此后,PHA与剩余生物量分离。