A_2O工艺问题分析与改进措施_李培

A_2O工艺问题分析与改进措施_李培2010年第8期广东化工第37卷总第208期www.gdchem.com·283·A2O工艺问题分析与改进措施李培，潘杨，张同祺(苏州科技学院环境科学与工程学院，江苏苏州215011)[摘要]由于A2/O工艺中存在反硝化菌与聚磷菌竞争碳源、异养菌与自养菌泥龄矛盾、回流硝酸盐对聚磷菌释磷的影响等问题，造成了工艺对N、P同时去除效果不佳，针对这些问题分别提出了几种解决措施和改良工艺。克服了A2/O工艺部分固有缺陷,优化和提高了其处理能力。[关键词]A2/O工艺；脱氮除磷；碳源；泥龄；硝酸盐；工艺改良[中图分类号]X[文献标识码]A[文章编号]1007-1865(2010)08-0283-02ProblemsAnalysisandCorrectiveMeasuresinAAOCraftLiPei,PanYang,ZhangTongqi(SchoolofEnvironmentalScienceandEngineering,SuzhouUniversityofScienceandTechnology,Suzhou215011,China)Abstract:Becausetherearesomeproblems,justlikethedenitrificationfunguswithtogatherthephosphorusfunguscompetitioncarbonsource,theheterotrophicbacteriaandtheautotrophicbacteriumputtyagecontradiction,thebackflownitratetogathersthephosphorusfungustoreleasephosphorusandsoon,inA2/Oprocess,whichcausedthecrafttoN,Psimultaneouslytoremovetheeffectnottobegood.Researchersproposedseveralkindsofsolutionmeasuresandtheimprovementcraftseparatelyinviewofthesequestions,whichhasovercomeA2/Ocraftpartinherentflawandoptimizedands