缺氧厌氧好氧工艺的脱氮除磷研究

缺氧厌氧好氧工艺的脱氮除磷研究缺氧／厌氧／好氧工艺的脱氮除磷研究StudyonAnoxic／Anaerobic／AreobicProcessofDenitrificationandPhosphorusRemoval毕学军高廷耀(同济大学，上海200092)BiXuejunGa。Tingya而而’ersity，shanghai200092)摘要通过实验斜究赝氧觇氧环境倒置，米比较对A／A／O上艺脱氨除磷功能的影响结果表明与常规A／A／Of厌／缺／奸)l卡H比，倒置后的上艺(缺／腰／好)有更好的脱氨陈磷效果。在同等条件下．倒置系统的出水中Poi—P明显降低，而此反硝化速率却町提高30％～5eta谚文还进一步揭示r聚磷微生物在各种环境下的释磷和吸磷规律盟其相互关系耀—A／A／O—~蹿境叶境倒置×7已AbstractThelaboratorystudyoninfluenceofreverseofanaerobicandanoxiczoneonthebiologicaldenitfiflca．tionandphosphorusremovalprocessshowedthatincomparisonwiththeconventionalA／A／Oprocess【Anaerobic(A1)／Anoxic(A2)／Aerobic(O)]，thereverseA／A／Oprocess(A2／AJ／O)hasbettereffciencyofdenitfiflcationandphos．phorusremovalUnderequivalentconditions，theefiuentPO]一PcontentofthesystemwithA／A／OwaslowerthanthatofAI／A／O，whereasthespecificrateofdenitriflcationwas30％～50％higherItalsorevealedthatregularityofP—releaseandP—uptakeunderdifferentcnvjronmentandtheirmutuaIrelationship．Keywords：SewagebiologicaltreatmentAtAt0processDenitrificationandphosphorusremovalAnaerobicenv