不同材质MBBR填料降解微污染河道水及合流污水氨氮  

Degradation of Ammonia Nitrogen in Micro-Polluted River Water and Combined Sewage by MBBR with Different Packings

作　　者：王敏 吴绪军 许克建 仝振业 WANG Min;WU Xujun;XU Kejian;TONG Zhenye(Shuiyi Environmental Protection Group Co.,Ltd.,Ningbo 315336,China;Changxing Yusheng Environmental Protection Technology Co.,Ltd.,Huzhou 313100,China;People′s Government of Honglin Town,Xuanzhou District,Xuancheng 242053,China;College of Biotechnology and Pharmaceutical Engineering,Nanjing Tech University,Nanjing 211816,China)

机构地区：[1]水艺环保集团股份有限公司,浙江宁波315336 [2]长兴瑷晟环保科技有限公司,浙江湖州313100 [3]宣城市宣州区洪林镇人民政府,安徽宣城242053 [4]南京工业大学生物与制药工程学院,江苏南京211816

出　　处：《净水技术》2024年第12期103-110,共8页Water Purification Technology

基　　金：山西省重点研发计划(201903D211013)。

摘　　要：移动床生物膜反应器(MBBR)对污水具有较强的脱氮能力,反应器中填料材质也是影响脱氮能力的重要因素。通过在MBBR-AO耦合工艺污水处理过程中投加聚乙烯(PE)生物载体填料和聚氨酯多孔(PPC)凝胶载体填料,探究了填料材质对微污染河道水体及雨污混流污水氨氮降解的影响以及不同材质填料的微生物挂膜速度和使用寿命。结果表明,与PPC材质填料相比,PE材质填料挂膜速度更慢,但其使用寿命更长。同时,PE材质填料的投加更有利于MBBR-AO耦合工艺短期和长期运行过程中降解微污染河道水体和雨污混流污水中的氨氮。该研究成果可为污水处理过程中填料材质的选择提供现实指导意义。Moving bed biofilm reactor(MBBR)has a strong nitrogen removal capacity for wastewater,and the material of the filler in the reactor is also an important factor affecting the nitrogen removal capacity.By adding polyethylene(PE)bio-carrier filler and polyurethane porous(PPC)gel carrier filler in the MBBR-AO coupled process wastewater treatment process,the effects of filler materials on the degradation of ammonia nitrogen in micro-polluted river water and rainwater and wastewater effluent,as well as microorganisms′film-attachment speed and service life of different filler materials were investigated.The results showed that compared with the PPC filler,the PE filler had a slower film hanging speed,but its service life was longer.At the same time,the addition of PE filler was more conducive to the degradation of ammonia and nitrogen in the MBBR-AO coupled process in both short-term and long-term operation of micro-polluted river water and mixed flow rainwater and wastewater.The results of this research can provide practical guidance for the selection of filler materials in wastewater treatment process.

关 键 词：移动床生物膜反应器(MBBR) 生物载体填料 微生物挂膜速度 使用寿命 氨氮去除率 

分 类 号：TU992[建筑科学—市政工程]