昆明市污水处理厂运行综合评价

第8卷第10期环境工程学报Vol．8，No．102014年10月ChineseJournalofEnvironmentalEngineeringOct．2014昆明市污水处理厂运行综合评价李波1吴光学1*胡洪营1吴毅晖2郭昉2郭玉梅2(1．清华大学深圳研究生院环境微生物利用与安全控制重点实验室，深圳518055;2．滇池水务股份有限公司，昆明650228)摘要应用技术性能、经济成本、环境影响(温室效应和富营养化效应)指标，对采用氧化沟、ICEAS、3AMBＲ和A2O4种不同工艺的昆明市7座污水处理厂运行进行综合评价。各污水处理厂对BOD、SS和NH+4-N都具有较高的去除率，在91%以上;COD去除率在86%以上;TP去除率在86%～96%之间;TN去除率在59%～76%之间。污水处理厂的运行经济成本同工艺类型和进出水水质密切相关，经济成本主要来源于电耗;采用3AMBＲ工艺的污水处理厂经济成本远高于其他污水处理厂。温室气体主要来源于电耗和出水一氧化二氮释放，其中3AMBＲ工艺具有最大的温室气体释放量。出水污染物中对富营养化效应贡献最大的为硝酸盐，不同类型工艺出水造成的富营养化效应差别不大。结合污染物去除性能和综合成本进行分析，ICEAS工艺具有最好的综合性能，而3AMBＲ工艺综合性能相对较差。关键词污水处理厂经济成本技术性能温室效应富营养化中图分类号X703文献标识码A文章编号1673-9108(2014)10-4175-08ComprehensiveevaluationofperformanceofwastewatertreatmentplantsinKunmingLiBo1WuGuangxue1HuHongying1WuYihui2GuoFang2GuoYumei2(1．KeyLaboratoryofMicroorganismApplicationandＲiskControl(MAＲC)ofShenzhen，GraduateSchoolatShenzhen，TsinghuaUniversity，Shenzhen518055，China;2．KunmingDianchiWaterGroupCo．，Ltd．，Kunming650228，China)AbstractTheperformanceofsevenwastewatertreatmentswithfourdifferenttreatmentprocessestypes(oxidationditch，ICEASE，3AMBＲandA2O)inKunmingwasevaluatedwithindicatorsincludingtechnicalper-formance，economiccost，andenvironmentalimpact(globalwarmingandeutrophication)．TheresultsshowedthatallwastewatertreatmentplantshadgoodperformanceintheremovalofBOD，SS，andNH+4-Nwiththeremovalpercentageabove91%，theremovalpercentageofCODwasover86%，theremovalpercentageofTPwasintherangeof86%～96%，andtheremovalpercentageofTNwasintherangeof56%～76%．Economiccostsweremainlycontributedfromenergyconsumptionandwerecloselyrelatedtothetreatmentprocessandwaterqualityofbothinfluentandeffluent;theoperationcostof3AMBＲwasmuchhigherthanthatofothertreatmentprocesses．Greenhousegasesemissionwasmainlyfromenergyconsumptionandnitrousoxideemissionfromtheeffluent，and3AMBＲhadthehighestgreenhousegasesemissionamongalltreatmentprocesses．Theeutrophicationeffectoftheeffluentwasmainlycontributedbynitrateandwashighlyaffectedbytreatmentprocesses．Combinedwiththepol-lutantremovalperformanceandcomprehensivecost