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A unified theory for upscaling aerobic granular sludge sequencing batch reactors.

机译:升级好氧颗粒污泥排序间歇反应器的统一理论。

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Aerobic granular sludge sequencing batch reactors (SBR) are a promising technology for treating wastewater. Increasing evidence suggests that aerobic granulation in SBRs is driven by selection pressures exerted on microorganisms. Three major selection pressures have been identified as follows: settling time, volume exchange ratio and discharge time. This review demonstrates that these three major selection pressures can all be unified to one, the minimal settling velocity of bioparticles, that determines aerobic granulation in SBRs. The unified selection pressure theory is a useful guide for manipulating and optimizing the formation and characteristics of aerobic granules in SBRs. Furthermore, the unified theory provides a single engineering basis for scale up of aerobic granular sludge SBRs.
机译:好氧颗粒污泥排序间歇反应器(SBR)是一种有前途的废水处理技术。越来越多的证据表明,SBR中的好氧颗粒化是由施加于微生物的选择压力驱动的。确定了三种主要的选择压力:沉降时间,体积交换比和排出时间。这项审查表明,这三个主要的选择压力都可以统一为一种,即决定SBR中好氧造粒的生物颗粒的最小沉降速度。统一选择压力理论为操纵和优化SBR中好氧颗粒的形成和特性提供了有用的指导。此外,统一理论为好氧颗粒污泥SBR的规模放大提供了单一的工程基础。

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