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Cod Fractions In Mechanical-Biological Wastewater Treatment Plant

机译：机械-生物废水处理厂中的鳕鱼馏分

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The paper presents results of studies concerning the designation of COD fraction in the raw, mechanically treated and biologically treated wastewater. The test object was a wastewater treatment plant with the output of over 20,000 PE. The results were compared with data received in the ASM models. During investigation following fractions of COD were determined: dissolved non-biodegradable SI, dissolved easily biodegradable SS, in organic suspension slowly degradable XS and in organic suspension non-biodegradable XI. Methodology for determining the COD fraction was based on the guidelines ATV-A 131. The real percentage of each fraction in total COD in raw wastewater are different from data received in ASM models.
机译：本文介绍了有关原始，机械处理和生物处理废水中COD分数指定的研究结果。测试对象是一个废水处理厂，其产量超过20,000 PE。将结果与ASM模型中收到的数据进行比较。在研究过程中，确定了以下COD分数：溶解的不可生物降解的SI，溶解的易于生物降解的SS，在有机悬浮液中缓慢降解的XS和在有机悬浮液中不可生物降解的XI。确定COD分数的方法基于ATV-A 131准则。原废水中总COD中每个分数的实际百分比与ASM模型中收到的数据不同。

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