复合变速生物滤池处理污水厂二级出水

复合变速生物滤池处理污水厂二级出水论述与研究复合变速生物滤池处理污水厂二级出水龙腾锐,庞煜(重庆大学城市建设与环境工程学院,重庆400045)摘要:采用由新型酶促填料和素陶粒填充构成的新型复合变速生物滤池对某城市污水厂二级处理出水进行了过滤试验。结果表明:在HRT为133～50min、滤池连续运行2～12d时产水量为72～192m3Πd,对COD、浊度的去除率分别达到60.9%～73.1%和69.4%～82.8%,出水水质满足《生活杂用水水质标准》(CJ25.1—89),回用于厂区日常冲洗、绿化可取得良好的综合效益。关键词:城市污水;高效过滤;深度处理;酶促填料中图分类号:X703.1文献标识码:A文章编号:1000-4602(2002)08-0001-04UseofVariable-rateHybridBiofilterforTreatmentofSecondaryEffluentFromMunicipalWastewaterTreatmentPlantLONGTeng2rui,PANGYu(SchoolofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,China)Abstract:AnewtypeVariable-ratehybridbiofiltercomposedofenzyme-catalyzedpackingandceramsitewastestedonthetreatmentofsecondaryeffluentfrommunicipalwastewatertreatmentplant.Thetestresultshowedthatwateryieldis72～192m3ΠdandremovalrateofCODandturbiditycomerespectivelyupto60.9%～73.1%and69.4%～82.8%atHRTof133～50minandcontinu2ousoperationfor2～12d.TheeffluentqualitymeetstheMiscellaneousDomesticWaterQualityStan2dard(CJ25.1-89).Thetreatedeffluentisreusedforrou