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不同温度下有机负荷对厌氧折流板反应器污泥颗粒化的影响

Keywords: 厌氧折流板反应器,胞外聚合物,有机负荷,颗粒化污泥

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Abstract:

采用2个相同的厌氧折流板反应器(ABR)研究不同温度、有机负荷对ABR启动过程中胞外聚合物(EPS)产生的影响,以及各隔室优势菌种。结果表明,高温和较高的有机负荷(OLR)促进EPS的产生,而EPS有利于颗粒污泥的形成。较高温度也有利于反应器承受更高的有机负荷。启动结束后,沿着水流方向,隔室中的污泥发生变化,由水解酸化菌演替为产甲烷优势菌。

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