SBR工艺处理高浓度尿液废水研究_高海军

UrineWastewaterTreatmentbySBRProcessHaijunGaoCaiyunZhuSchoolofLifeScienceBeijingInstituteofTechnologyBeijing100081,PRChinaYanbinTongSchoolofFoodScienceShihezhiUniversityXinjiang832003,PRChinaAbstract—Wastewatertreatmentisimportantforlong-termspaceflight.Notonlywasthewaterinurinerecycledbyusingbiologicalapproaches,butalsosomeofelementsweretransformedtosubstanceforplant.Theeffectsofconditionsonnitrificationofurineinsequencingbatchreactor(SBR)processwereinvestigated.Undertheconditionofhydraulicretentiontimeof24h,temperatureof27oC,totalnitrogenconcentrationof1400mg/Lininfluent,pH7.5,anddissolvedoxygenconcentration(DO)of3mg/L,nitrate-Nof1270mg/Lwasreachedineffluent,theyieldofnitrificationwas90.71%,nitrite-Nandammonia-Ndecreasedto10mg/L,CODinthewaterwaslessthan100mg/L.Keywords-Urine;nitrification;sequencingbatchreactor;SBR工艺处理高浓度尿液废水研究高海军高海军1，朱彩云，朱彩云2，童延斌，童延斌31,2北京理工大学生命学院，北京，中国，1000813石河子大学食品学院，新疆，中国，8320031.hj_gao@bit.edu.cn,2.zhucaiyun123@126.com，3tongyanbin@sina.com【摘要】空间废水处理是长期载人飞行研究的重