双SBR脱氮除磷工艺的启动特性试验研究  

Experimental study on startup of a two-SBR denitrifying and phosphorus removing system

作　　者：刘雪飞[1] 何新惠[1] 叶向德 王志盈[1] 

机构地区：[1]西安建筑科技大学环境与市政工程学院,陕西西安710055 [2]延安市环境科学研究院,陕西延安716000

出　　处：《西安建筑科技大学学报（自然科学版）》2007年第3期361-364,共4页Journal of Xi'an University of Architecture & Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(50178059);国家自然科学基金对外交流与合作项目(50410105103)

摘　　要：为了寻找有效可行的双SBR脱氮除磷系统的启动方法,在系统中进行了反硝化聚磷菌(DPB)的培养.培养过程中阶段式提高氨氮投加浓度(氨氮浓度逐渐升高分别为40、50、60、70 mg N/L),且好氧结束后上清液采取连续进水的方式由好氧反应器(O-SBR)回流至厌氧-缺氧反应器(A2-SBR).结果表明:在A2-SBR和O-SBR初始污泥浓度分别为3200 mg/L和2500 mg/L时,采用阶段式氨氮投加方式和缺氧连续性进水方式,经过14 d培养,成功启动了双SBR脱氮除磷系统.磷的去除率达96.3%,总氮的去除率为72.6%.优于Bardenpho工艺除磷效果.Denitrifying phosphorus removing bacteria（DPB） was accumulated in the system in order to find a probable way to startup a two-SBR denitrifying phosphorus removal system. The concentration of ammonium nitrogen in synthetic wastewater increased from 40 mgN/L to 70 mgN/L step by step. And nitrified supernatant was recirculated from the nitrification SBR （O-SBR） to anaerobic-anoxic SBR （A2-SBR） with a continuous follow. The MLSS in A2-SBR was maintained at 3 200 mg/L and 2 500mg/L in O-SBR. Good performance was obtained after a 14-day cultivation. The removal efficiency of phosphorous and nitrogen can reach 96.3% and 72.6%, respectively, which was higher than those in Bardenpho system.

关 键 词：双SBR 脱氮除磷 启动 连续性进水 

分 类 号：X703.1[环境科学与工程—环境工程]