[1]冀鹏宙,袁进,杨志宏,等.前置预缺氧A2/O+AO工艺全流程测试与应用研究[J].中国给水排水,2023,39(18):112-119.
　JIPeng-zhou,YUANJin,YANGZhi-hong,et al.Whole Process Testing and Application of Pre-anoxic A2/O and AO Process[J].China Water & Wastewater,2023,39(18):112-119.
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前置预缺氧A2/O+AO工艺全流程测试与应用研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第18期 页码: 112-119 栏目: 出版日期: 2023-09-17
Title:
Whole Process Testing and Application of Pre-anoxic A2/O and AO Process
作者:
冀鹏宙1， 袁进1， 杨志宏2， 杨敏3， 游佳3， 顾淼3
（1.太原理工大学 环境科学与工程学院，山西 太原 030000；2.山西正阳污水净化有限公司，山西 晋中 030600；3.中国市政工程华北设计研究总院有限公司，天津 300074）
Author(s):
JI　Peng-zhou1， YUAN　Jin1， YANG　Zhi-hong2， YANG　Min3， YOU　Jia3， GU　Miao3
（1. School of Environmental Science and Engineering， Taiyuan University of Technology， Taiyuan 030000， China； 2. Shanxi Zhengyang Sewage Purification Co. Ltd.， Jinzhong 030600， China； 3. North China Municipal Engineering Design ＆ Research Institute Co. Ltd.， Tianjin 300074， China）
关键词:
污水处理厂;  工艺优化;  前置预缺氧A2/O+AO工艺;  全流程测试;  脱氮除磷;  节能降耗
Keywords:
wastewater treatment plant;  process optimization;  pre-anoxic A2/O and AO process;  whole process test;  nitrogen and phosphorus removal;  energy saving and consumption reducing
摘要:
以山西省某城镇污水处理厂前置预缺氧A2/O+AO工艺为研究对象，通过全流程测试评估工艺现状，指导工艺调控，优化脱氮除磷效果，同时实现节能降耗，降低运行成本。基于全流程测试结果，采取调整好氧区曝气模式、增设消氧区、协同调整外回流比及进水配比、降低污泥浓度、调整碳源投加点位等优化措施后，出水TN由13.21 mg/L降至8.74 mg/L，TN去除率由71%提高至79%，对PO43--P的去除率由82%提高至98%，该厂生物脱氮除磷效能得到较大提升，同时每月可节省碳源费用14万元，经济效益明显。
Abstract:
The A2/O and AO process of a municipal wastewater treatment plant (WWTP) in Shanxi Province is studied to evaluate the current status of the process, guide the process regulation and control, optimize the effect of nitrogen and phosphorus removal, save energy and reduce consumption, reduce operating costs at the same time through whole process testing. Based on the results of the whole process test, the effluent TN was reduced from 13.21 mg/L to 8.74 mg/L, the TN removal rate was increased from 71% to 79%, and the PO43--P removal rate was increased from 82% to 98% after taking the optimization measures such as adjusting the aeration mode of aerobic zone, adding an oxygen elimination zone, adjusting the ratio of external return flow and influent, reducing the sludge concentration, and adjusting the carbon source dosage point. The efficiency of biological nitrogen and phosphorus removal in the WWTP was greatly improved, while the monthly cost of carbon source could be saved by 140 000 yuan, which has an obvious economic benefit.

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更新日期/Last Update: 2023-09-17