云南某污水处理厂氧化沟工艺提标扩建  

Upgrading and Expansion of Oxidation Ditch Process of a Sewage Treatment Plant in Yunnan

作　　者：左早荣 ZUO Zao-rong

机构地区：[1]云南省设计院集团有限公司

出　　处：《节能与环保》2021年第7期62-63,共2页

摘　　要：云南某污水处理厂提标扩建工程,对一期改良氧化沟工艺进行改造,二期扩建采用改良氧化沟+二沉池+高效沉淀池+滤布滤池+消毒工艺,提标扩建后出水水质由《城镇污水处理厂污染物排放标准》(GB18918-2002)的一级B标准稳定提升至一级A标;为同类污水处理厂的提标及扩建设计提供参考。I n the upgrading and expansion project of a sewage treatment plant in Yunnan Province,the improved oxidation ditch process in the first stage was transformed,and the improved oxidation ditch+secondary sedimentation tank+high-efficiency sedimentation tank+filter cloth filter+disinfection process was adopted in the second stage expansion,the effluent quality after the upgrading and expansion has been steadily improved from the first class B standard in the discharge standard of pollutants for urban sewage treatment plants(GB18918-2002)to the first class a standard;It provides a reference for the upgrading and expansion design of similar wastewater treatment plants.

关 键 词：改良氧化沟 高效沉淀 提标扩建 一级A标 

分 类 号：X703[环境科学与工程—环境工程]