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1、第34卷第8期同济大学学报(自然科学版)Vol.34No.82006年8月JOURNALOFTONGJIUNIVERSITY(NATURALSCIENCE)Aug.2006生物-生态优化组合工艺处理城市污水试验1,213陈秀荣,周琪,赵书成(1.同济大学环境科学与工程学院,上海200092;2.华东理工大学资源与环境工程学院,上海200237;3.葛洲坝集团第六工程公司,湖北宜昌443000)摘要:针对我国南方城市污水碳源含量低、营养盐含量高的特点,以生物-生态优化组合工艺对其进行高效的脱氮3-1.试验中,根据全年进水特征和单元工艺特性合理分配两段污染
2、物负荷,调节单元工除磷,试验规模为100m·d况参数,优化组合两段工艺,达到生物处理段灵活、高效性和生态处理段低耗、稳定性的最佳结合.研究表明,优化工况组合中,化学耗氧量COD去除率90%、总氮去除率60%～80%、总磷去除率99%,出水COD、总磷等指标满足国家地表水环境Ⅳ类标准.关键词:优化组合处理技术;脱氮除磷;人工湿地;厌氧/缺氧/好氧工艺中图分类号:X505文献标识码:A文章编号:0253-374X(2006)08-1061-05OptimalCombinativeTechnologyofBiologicalandEcologicalTrea
3、tmentofMunicipalWastewater1,213CHENXiurong,ZHOUQi,ZHAOShucheng(1.SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.SchoolofResource&EnvironmentalEngineering,EastChinaUniversityofScience&Technology,Shanghai200237,China;3.GezhoubaGroup'sNo.6Enginee
4、ringCompanyLtd.,Yichang443000,China)Abstract:InordertoachieveeffectiveremovalofN/PofthemunicipalwastewaterinsouthChina'scitieswherethewastewaterisoflowconcentrationofCOD,highconcentrationofnutritioussalts,anoptimalcombinativeprocessofbiologicalandecologicaltreatmentispresented.T
5、hedesignedcapacity3-1totreatwastewateris100m·d.Accordingtothefeaturesofthemunicipalwastewaterandunittechnology,variouskindsofsubstrateloadaredistributedbetweenthetwotreatmentstages.There-fore,theadvantagesofflexibilityandhighefficiencyofthebiologicaltreatmentareoptimallycombined
6、withthoseoflowcostconsumptionandstabilityoftheecologicaltreatment.TheresultsofthisstudyindicatethattheremovalofCOD,totalnitrogen,totalphosphorusisrespectively90%,60%～80%and90%.ThemaineffluentqualityindexescanreachgradeⅣoftheenvironmentalqualitystandardsforsurfacewaterinChina.Key
7、words:optimalcombinativetreatmenttechnology;removalofnitrogenandphosphorus;constructedwetland;anaerobic/anoxic/aerobictechnology收稿日期:2005-01-19基金项目:国家“八六三”高技术研究发展计划资助项目(2002AA601023)作者简介:陈秀荣(1975-),女,山东嘉祥人,工学博士.E-mail:chenxiurong@vip.sina.com1062同济大学学报(自然科学版)第34卷武汉市冬冷夏热,冬季日平均气温1
8、0～15℃,试验原水取自武汉市经济技术开发区汉庆街泵夏季日平均气温30～35℃.城市污水水质不
