首页|侧流与主流磷回收工艺对比及调控因子分析

侧流与主流磷回收工艺对比及调控因子分析

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从污水中回收磷是缓解磷资源危机的有效途径，目前，污水处理厂常用的磷回收工艺主要为从剩余污泥中回收磷的侧流工艺，存在工艺复杂、回收效率低等问题。以生物膜为主体的主流磷回收工艺可实现磷的同步去除与富集，工艺简单且高效，因此更具发展前景。两种工艺在运行原理及模式上存在显著差异，因此对两者的调控措施不尽相同。本文分别以A2O工艺和生物膜序批式反应器工艺为代表，对比了侧流和主流磷回收工艺在运行原理及模式上的异同，并以聚磷菌的代谢机理为基础，总结了温度、pH值、水力停留时间、溶解氧、碳源和蓄磷量等调控因子对两种工艺产生的影响，并阐述了其差异化机制，以期为生物膜磷回收工艺的进一步发展提供参考。
Comparison of sidestream and mainstream phosphorus recovery processes and analysis of regulatory factors
Recovering phosphorus from wastewater is an effective way to alleviate the crisis of phosphate resources.At present,the common phosphorus recovery process in wastewater treatment plants is mainly the sidestream process to recover phosphorus from excess sludge,which has a shortage of complicated processes and low recovery efficiency.The mainstream phosphorus recovery process with biofilm can realize simultaneous removal and enrichment of phosphorus.The process is simple and efficient,thus has more development prospects.Due to the significant differences in operating principle and mode,the regulation measures for the two processes are not the same.In this paper,the A2O process and biofilm sequencing batch reactor process were taken as the representative and the similarities and differences in the operating principles and modes of the sidestream and mainstream phosphorus recovery processes were compared,also,the influences of regulatory factors such as temperature,pH,hydraulic residence time,dissolved oxygen,carbon source and phosphorus storage capacity on the two processes were summarized based on the metabolic mechanism of phosphorus accumulating bacteria.The differential mechanism was expounded to provide a reference for the further development of the phosphorus recovery process of biofilm.

phosphorus recoveryenhanced biological phosphorus removalprocess comparisonbiofilm sequencing batch reactorregulatory factor

李璐、张玥、邵鸿渝、倪敏、黄勇、潘杨

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苏州科技大学环境科学与工程学院,江苏苏州 215009

城市生活污水资源化利用技术国家地方联合工程实验室,江苏苏州 215009

江苏省环境科学与工程重点实验室,江苏苏州 215009

磷回收 强化生物除磷 工艺对比 生物膜序批式反应器 调控因子

国家自然科学基金资助项目国家自然科学基金资助项目江苏省重点研发项目苏州市科技发展计划项目(社会发展科技创新)江苏省环境科学与工程重点实验室开放基金

51778390938010BE20216582022SS17JSHJZDSYS-202104

2024

中国环境科学
中国环境科学学会

中国环境科学

CSTPCDCHSSCD北大核心
影响因子：2.174
ISSN：1000-6923
年,卷(期)：2024.44(1)
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