生物膜耦合工艺在污水处理中的应用

Application of Biofilm Coupling Processes in Wastewater Treatment

生物膜耦合工艺采用生物膜法与其他污水处理工艺相结合,发挥了组合工艺的优势,弥补了单一工艺运行中存在的问题,被广泛应用于传统污水处理工艺的升级改造。文中针对国内外应用较多的生物膜-活性污泥耦合工艺、生物膜-电极法(BER)和生物膜-膜处理耦合工艺3种组合工艺进行分析和总结,综述了这3种耦合工艺的优缺点、运行中存在的问题,以及在污水处理中的研究和应用情况,并对未来该工艺的研究发展方向和重点进行了初步探讨。

Biofilm coupling process,being widely used in the upgrading and reconstruction of traditional sewage treatment processes,gives play to the advantages of the combined process and makes up for defects existing in the operation of a single process by adopting the combination of biofilm method and other sewage treatment processes.Three combinations widely studied and applied at home and abroad are analyzed and summarized in this article,which are biofilm-activated sludge coupling process,biofilm-electrode reactor(BER)and biofilm-membrane treatment coupling process.The advantages and disadvantages of three coupled processes,the problems in operation,and the research and application status in sewage treatment are reviewed.In addition,the research and development direction and key point of this process in the future are discussed.