OAO工艺和AO工艺处理城镇生活污水的对比  

The Comparison of OAO Process and AO Process in Treatment of Municipaldomestic Sewage

作　　者：张俊龙 耿颖[1] 徐洪斌[1] 杨苗青 马浩亮 ZHANG Junlong;GENG Ying;XU Hongbin;YANG Miaoqing;MA Haoliang(College of Water Conservancy&Environmental Engineering,Zhengzhou University;Henan Guanyu Environmental Protection Technology Limited Company:Zhengzhou 450001,China)

机构地区：[1]郑州大学水利与环境学院 [2]河南冠宇环保科技有限公司,河南郑州450001

出　　处：《水处理技术》2021年第7期131-133,140,共4页Technology of Water Treatment

基　　金：国家水体污染控制与治理科技重大专项(2017ZX07204-001)。

摘　　要：在传统的AO工艺前加一级预曝气池,形成一种新的工艺—OAO工艺。在相同的进水水质条件下,比较两种工艺对城镇生活污水的处理效果。结果表明,在整个运行期间,OAO工艺和AO工艺对城镇生活污水的COD平均去除率分别为93.2%和90.4%,氨氮平均去除率分别为72.2%和69.8%、总氮平均去除率分别为47.4%和45.3%、总磷平均去除率分别为64%和41.3%。通过比较水处理效果的常规指标,初步认为OAO工艺在处理城镇生活污水的效果上优于AO工艺。A new process, which named OAO process, was formed by adding one stage pre-aeration tank in front of traditional AO. Under the same influent water quality, the treatment effects of the two processes on municipal domestic sewage were compared. The results showed that the average removal rates of COD were 93.2% and 90.4%, the average removal rates of ammonia nitrogen were 72.2% and 69.8% respectively, for municipal domestic sewage by OAO process and AO process, respectively. The average removal rate of total nitrogen was 47.4% and 45.3%, respectively, and the average removal rate of TP was 64% and 41.3%, respectively. By comparing the conventional indexes of water treatment effect, it is preliminarily considered that OAO process issuperior to AO process in treating municipal domestic sewage.

关 键 词：OAO工艺 AO工艺 多点进水 城镇生活污水 处理效果 

分 类 号：X703.1[环境科学与工程—环境工程]