农村污水处理的厌氧 — 跌水曝气工艺参数研究

Journal of Green Science and Technology(2018)

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Abstract
针对农村生活污水处理特点,提出了一套占地面积小、脱氮除磷效果好但工艺流程简单、管理要求低、投资和运行费用省的"厌氧—缺氧—跌水曝气"组合工艺.通过实验室小试试验对各单元参数进行研究,结果表明:厌氧单元采用2~3级简化型UBF厌氧反应;好氧单元采用5级跌水曝气,总跌水高度2.5 m,相邻两池间的跌水高度0.5m;好氧回流比30%,回流至缺氧单元,可达到较理想的效果.
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