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Effect of Coal Fly Ash Addition on Sludge Properties in a Submerged Membrane Bioreactor Treating Municipal Wastewater

机译:煤粉煤灰对浸没膜生物反应器治疗市政废水的污泥性能影响

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The influence of coal fly ash (CFA) on the activated sludge performance and membrane filtration resistance in a submerged membrane bioreactor was investigated.CFA in different dosage was added to the activated sludge and 30mins later,the sludge volume index (SVI),dehydrogenase activity (DHA) and the specific resistance of filtration (SRF) were examined.Soluble microbial products (SMP) and trans-membrane pressure (TMP) in submerged bioreactor (SMBR) filtration resistance were measured.The results indicated that CFA addition could effectively abate SVI and SRF,SMP.
机译:研究了煤粉煤灰(CFA)对浸没式膜生物反应器中活性污泥性能和膜过滤抗性的影响。在不同剂量中加入到活性污泥和30分钟后,污泥体积指数(SVI),脱氢酶活性(DHA)和过滤的特异性电阻(SRF)被检测。测量浸没生物反应器中的溶解微生物产物(SMP)和跨膜压力(TMP)。结果表明CFA添加可以有效减少SVI和srf,smp。

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