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首页> 外文期刊>Water Practice & Technology >Evaluating upgrade possibilities of activated sludge wastewater treatment plants utilizing biofilm-based treatment technologies – an experimental study at the South Pest WWTP
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Evaluating upgrade possibilities of activated sludge wastewater treatment plants utilizing biofilm-based treatment technologies – an experimental study at the South Pest WWTP

机译：利用基于生物膜的处理技术评估活性污泥废水处理厂的升级可能性– South Pest WWTP的一项实验研究

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As more and more wastewater treatment plants (WWTPs) arrive to a point in their lifecycles when their originalncapacities are not sufficient anymore, the demand for good WWTP retrofitting solutions becomes increasinglyncritical. One of the typical problems is the suspended solids overload of secondary clarifiers, which is one ofnthe main concerns at the South Pest WWTP as well. Pilot scale studies were carried out at the WWTP with a biofilmnbased technology applying biofilm carriers imitating plant root structures in order to characterize thenpotentials of clarifier TSS load reduction while maintaining the existing biodegradation performance of the activatednsludge stage. The research demonstrated that the clarifier load can be reduced by more than 90%, whilenthe original biodegradation performance of the system does not decrease. In addition to this, it was demonstratednthat the biomass amount in the reactors can be increased substantially opening potentials for furthernbiodegradation capacity.
机译：随着越来越多的废水处理厂（WWTP）达到其原始能力不再足够的生命周期，对良好的WWTP改造解决方案的需求变得越来越紧迫。典型的问题之一是二级澄清池的悬浮固体超载，这也是South Pest WWTP的主要关注之一。在污水处理厂采用基于生物膜的技术进行了中试研究，该技术应用了模仿植物根部结构的生物膜载体，以表征澄清剂TSS负荷降低的潜力，同时保持了活性污泥阶段的现有生物降解性能。研究表明，澄清池的负载量可降低90％以上，而系统的原始生物降解性能不会降低。除此之外，证明了反应器中的生物量可以增加，从而进一步提高了生物降解能力。

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