[1]张莉,余国富,瞿露,等.重庆市某污水处理厂一级A提标改造运行效果分析[J].中国给水排水,2020,36(18):95-98.
　ZHANG Li,YU Guo-fu,QU Lu,et al.Analysis on the Operation Effect of a WWTP Upgrading Project for the Firstlevel A Standard in Chongqing[J].China Water & Wastewater,2020,36(18):95-98.
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重庆市某污水处理厂一级A提标改造运行效果分析

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第36卷 期数: 2020年第18期 页码: 95-98 栏目: 出版日期: 2020-09-17
Title:
Analysis on the Operation Effect of a WWTP Upgrading Project for the Firstlevel A Standard in Chongqing
作者:
张莉1，余国富1，瞿露2，淳宇彤1
(1.重庆水务集团股份有限公司，重庆400015；2.中国市政工程中南设计研究总院有限公司,湖北武汉430010)
Author(s):
ZHANG Li1,YU Guo-fu1,QU Lu2,CHUN Yu-tong1
(1. Chongqing Water Group Co. Ltd., Chongqing 400015, China; 2. Central and Southern China Municipal Engineering Design & Research Institute Co. Ltd., Wuhan 430010, China)
关键词:
污水处理厂; 提标改造; 改良A-A2/O工艺; 高效沉淀池; 滤池
Keywords:
wastewater treatment plant; upgrading and reconstruction; improved A-A2/O; highefficiency sedimentation tank; filter
摘要:
重庆市某污水处理厂原采用A-A2/O为主体的二级处理工艺，此次提标采用改良A-A2/O+高效沉淀池+均质滤料滤池工艺，通过对二级生物处理单元进行扩容、增加深度处理单元等方式，有效去除TN、TP、SS，目前出水水质稳定达到一级A标准。针对该污水处理厂常年进水水质指标（如BOD5、COD、SS、TN等）高于一般城市生活污水的情况，分析了BOD5、COD、SS、TN等污染物指标去除率较高的原因，如提高生物池污泥浓度去除BOD5及COD等；针对提标后运行存在的斜管沉淀池季节性藻类及浮渣问题，也提出了改进建议。
Abstract:
The combined process of improved A-A2/O, highefficiency sedimentation tank, and homogeneous filter was adopted to replace the original secondary treatment process of A-A2/O in a wastewater treatment plant(WWTP) in Chongqing. The secondary biological treatment capability was expanded and advanced treatment units were added to effectively remove TN, TP and SS. At present, the effluent quality has reached the first-level A standard. In view of the fact that the influent BOD5, COD, SS, TN, and etc. of the WWTP are higher than those of ordinary urban domestic sewage, the possible reasons for higher removal rates of BOD5, COD, SS, TN are analyzed, such as increasing sludge concentration in the biological tank. Suggestions are also put forward to solve the problem of seasonal algae and scum in the inclined tube sedimentation tank after upgrading.

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更新日期/Last Update: 2020-09-17