【Key words】 A-step； extracellular polymeric substances(EPS)； sedimentation performance of sludge； adsorption-regeneration； bio-flocculation； low concentration municipal wastewater； sludge multiplication；
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目的研究一体式膜生物反应器（IMBR）中活性污泥增殖动力学参数随温度的变化规律。
The experiment systematically studies the activated sludge in IMBR which has the tendency of following the temperature change.
C/N和C/P的增长使系统进水TN、TP浓度降低，对活性污泥的增殖有抑制作用，进而使厌氧释磷速率和好氧吸磷速率降低。
The growth of influent C/N and C/P inhibited the proliferation of the activated sludge by decreasing the influent TN and TP concentration and thereby inhibited the phosphorus release and uptake rates.
大量研究表明，污泥中某些丝状菌或放线菌的过度增殖是造成活性污泥工艺中泡沫问题的主要原因。
The foam is caused by the excessive growth of some filamentous bacteria and actinomycetes in activated sludge mixed liquor.
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