城镇污水处理厂一级A提标改造工艺策略探讨

Process Strategies for Upgrading and Reconstruction of Urban Sewage Treatment Plant for First Level A Criteria

随着城镇污水处理厂尾水排放标准日益严苛,尤其是对出水氮、磷指标要求的提高,国内城镇污水处理厂的提标改造势在必行,改造工艺的选择是众多设计人员将面临的严峻问题。本文介绍了污水处理厂一级A提标改造的基本原则与措施。从污水处理工艺改造角度概述了国内现有城镇污水处理厂一级A提标改造的技术措施和方法,以供城镇污水处理厂提标改造工程参考。

With the increasingly strict of sewage discharge standard of urban sewage treatment plant,especially for the improvement of discharge standard of nitrogen and phosphorus,the upgrading and reconstruction of urban sewage treatment plant is imperative.How to choose the treatment process has become the challenges for the technicians.The basic principles and measures on upgrading and reconstruction of urban sewage treatment plant to meet first class A standards of GB18918-2002 have been introduced.The technical measures on process modification of urban sewage treatment plant have been summarized to provide reference to the similar projects.