变速生物滤池处理城市污水的效能研究

变速生物滤池处理城市污水的效能研究变速生物滤池处理城市污水的效能研究龙腾锐,方芳,郭劲松(重庆大学城市建设与环境工程学院,重庆400045)摘要:对采用酶促填料的变速生物滤池处理城市污水进行了生产性试验研究,考察了水力停留时间(HRT)和温度的影响。结果表明,常温、填料层厚度分别为1.5m和2.0m、填料层HRT分别>3.5h和4.9h、相应的滤池HRT>9.7h时,滤池能有效地去除水中有机物和悬浮物。关键词:变速生物滤池;酶促填料;城市污水中图分类号:X703.1文献标识码:A文章编号:1000-4602(2002)01-0013-06StudyonthePerformanceofVariableRateBiofilterforTreatmentofMunicipalWastewaterLONGTeng2rui,FANGFang,GUOJin2song(SchoolofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,China)Abstract:Thefull-scaleexperimentwascarriedoutontheuseofvariableratebiofilterwithenzymaticmediumfortreatmentofmunicipalwastewater,andstudywasmadeontheeffectofhydraulicretentiontime(HRT)andtemperatureontheperformance.Theresultsshowedthatatnormaltemperature,whenthemediaheightis1.5mand2.0mwithHRT>3.5hand4.9h,andthefilterHRT>9.7h,thefiltercanefficientlyremoveorganicandsuspendedmattersinwater.Keywords:variableratebiofilter;enzymaticmedium;municipalwastewater基金项目:国家自然科学基金资助项目(59838300);“九五”国家科技攻关课题(96-909-01-02-01)处理城市污水是控制