反硝化颗粒污泥反应器的启动试验研究  

Start-up of SBR with Denitrifying Granular Sludge

作　　者：刘思琪[1] 刘怀英 周俊兆[1] 徐得力[1] 

机构地区：[1]武汉理工大学土木工程与建筑学院,湖北武汉430070 [2]山西安泰集团股份有限公司,山西晋中032000

出　　处：《中国给水排水》2013年第17期63-66,共4页China Water & Wastewater

基　　金：国家自然科学基金资助项目(31270573);中央高校基本科研业务专项资金资助项目(2012-Ⅳ-072);国家级大学生创新训练计划项目(101049722);武汉理工大学本科生自主创新研究基金资助项目(116606001)

摘　　要：在SBR反应器中，以絮状污泥为接种污泥、醋酸钠为碳源，利用逐渐缩短沉淀时间的水力选择方法培养具有反硝化功能的颗粒污泥。研究结果表明：反应器运行30d时，获得成熟的反硝化颗粒污泥，该颗粒污泥颜色为淡黄色或白色、平均粒径为0．2mm、沉速在15～25m／h之间，反应器中污泥的SVI值在50mL／g以下；反应器运行50d期间，对氮的去除率在95％以上，对COD的去除率在90％左右，颗粒污泥最大反硝化速率高达69．54mgN／（g·h），该颗粒污泥反应器具有较强的脱氮能力。Using flocculent sludge as seed sludge and sodium acetate as carbon source, the deni- trifying granular sludge was was formed on the 30＇h day. cultivated by the hydraulic choice in SBR. The denitrifying granular sludge The granular sludge was pale yellow or white, the mean diameter was 0.2 mm, the settling velocity was between 15 m/h and 25 m/h, and the SVI was below 50 mL/g. During the 50 d running, the removal rates of nitrogen and COD were over 95% and about 90%, respectively, and the maximum denitrifying rate was up to 69.54 mgN/（ g.h）. The granular sludge reactor had strong ni- trogen removal capability.

关 键 词：反硝化 颗粒污泥 水力选择 

分 类 号：X703[环境科学与工程—环境工程]