聚磷生物膜法磷回收研究进展

Phosphorus recovery by polyphosphate-accumulating organisms biofilm system:a review

从污水中回收磷已经成为当前污水全面资源化研究领域的重要研究方向之一,聚磷生物膜法磷回收工艺因其在节省碳源、简化回收流程、提高回收效果、污泥减量化等方面的潜力,成为该领域的重要技术手段和研究热点。本文着重介绍了聚磷生物膜法磷回收的基本原理、功能微生物及其代谢特征;详细梳理了生物膜法磷回收工艺不同模式的回收思路,综合分析了不同工艺模式的技术特征和磷回收效果。此外,对聚磷生物膜系统微生物及其代谢的研究方法与技术进行了整理。文章在综合分析聚磷生物膜法磷回收研究现状的基础上,对该技术的应用前景进行了宏观展望,以期为开展聚磷生物膜法磷回收的基础研究和技术开发提供支撑。

The recovery of phosphorus(Pi)from sewage has become a main direction of sewage reclamation.The polyphosphate-accumulating organisms(PAOs)-biofilm system,which features low carbon source consumption,simple procedure,high efficiency,and sludge reduction,has become a research hotspot in Pi recovery.In this paper,we summarized the basic principles of the system,the functional microorganisms and their metabolisms,and compared the different recovery modes and the performances.In addition,we summed up the research methods and technologies for microorganisms related to the system and their metabolic mechanisms.After describing the status quo of the system in Pi recovery,we proposed the application prospects of this technology,hoping to provide support for the basic research and technological development of PAOs-biofilm system.