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低温和常温状态下AHR反应器处理生活污水效果比较研究

Keywords: AHR反应器,低温,常温,生活污水

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Abstract:

厌氧处理的传统对象为城市污水厂污泥和高浓度的工业污水。生活污水属于低浓度污水,追寻高效的生活污水厌氧处理工艺是研究者的一致目标,也是厌氧处理研究的热点。研究了在低温和常温状态下长期运行复合式厌氧反应器(AHR)反应器对生活污水的处理效果并分析了其中的影响因素,结果表明,进水平均温度分别为27.9℃和10.6℃情况下,COD处理效果接近,平均去除率分别为30.68%和36.13%;常温工况B/C从进水0.525增加到出水的0.642,低温工况从0.459增加到0.503,常温相比低温可生化提高的幅度稍高;低温下不利于SS的去除效果的提高,常温工况比低温工况的污泥水解率高。

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