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剩余污泥减量化的解耦联代谢数学模型 被引量:1

Uncoupled Metabolism Model of Excess Sludge Reduction
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摘要 通过摇瓶试验比较了对氯酚(OCP)、2,4-二氯酚(DCP)、3,3,′4,′5-四氯水杨酰苯胺(TCS)、邻硝基酚(PNP)、2,4-二硝基酚(DNP)的污泥减量化效果,并对效果较好的化学解耦联剂DNP、PNP与TCS进行解耦联剂浓度和污泥浓度试验,对TCS进行完全混合活性污泥分批工艺试验。结果表明,摇瓶试验结果与数学模型不符合,但TCS的分批工艺试验数据与数学模型相符;表观污泥产率(Yobs)随初始解耦联剂浓度与初始生物量浓度之比(Cu/Xo)的增大而降低,因此真正施加在生物量上的化学解耦联剂强度应该是Cu/Xo,而不是单纯的初始解耦联剂浓度(Cu)。 Ortho - ehlorophenol ( OCP), 2,4 - dichlorophenol ( DCP), 3,3,4,5 - tetraehloro-salieylanilide (TCS), para - dinitrophenol (PNP) and 2, 4 - dinitrophenol (DNP) were chosen for short-term tests of their ability to reduce sludge yield by a bottle shaking test. The most effective chemicals, DNP , PNP and TCS were tested for various uncoupler concentrations and biomass concentrations. TCS was tested in a lab-scale completely mixed activated sludge batch culture. The model was verified with experimental data in a completely mixed activated sludge batch test, but the results from the bottle shaking batch test are inconsistent. The observed growth yield ( Yobs ) is decreased with the increase of the ratio of initial uncoupler concentration to initial biomass concentration (Cu/Xo). The real strength of chemical uncoupler imposing on biomass should be Cu/Xo, not initial uncoupler concentration (Cu) alone.
作者 李颖 叶芬霞
出处 《中国给水排水》 CAS CSCD 北大核心 2006年第3期105-108,共4页 China Water & Wastewater
基金 国家自然科学基金资助项目(50478043)
关键词 剩余污泥减量 合成代谢 分解代谢 化学解耦联剂 表观污泥产率 excess sludge reduction anabolism catabolism chemical uncoupler observed growth yield
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