两级A/O工艺在低负荷运行状态下的优化设计研究

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关键词：污水处理；两级缺氧／好氧（A/O）工艺；低负荷运行中图分类号：X703 文献标识码：A 文章编号：1008-9500（2026）02-0028-04DOI： 10.3969/j.issn.1008-9500.2026.02.007

Optimization Design Research of Two-Stage A/O Process Under Lowload Operation Conditions

ZHANGYichi，ZOUXi

（Central & Southem China Municipal Engineering Designand Research Institude Co.，Ltd.，Wuhan43O014，China）

Abstract：Thelong-termlow-loadoperationof the wastewater treatmentsystem hasseriouslyafectedthe stabilityof the efluentqualityBasedontheactualoperation processof the biologicaltank inacertain kitchenwasteresourceutilization plant inYangzoucityJangsuprovince，thispaperexplorestheefectivecontrolofefluentqualitythroughthetwo-stage Anoxic/Oxic （A/O）process underlow-load conditions.Theengineering application results show thatbytaking measures suchasadjustingthecarbon sourcedosage，aeration volumeandrefluxratio，as wellasoptimizing thedesignscheme，the efficiency and stability of the two-stage A/0 process under low-load operation can be significantly improved.

Keywords： sewage treatment; two-stage Anoxic/Oxic （A/O） process; low-load operation

两级缺氧/好氧（Anoxic/Oxic， ）工艺通过两级A/O池串联，实现两次反硝化过程，使得脱氮效率维持在 90%～95% ，除磷率达到 97% 。（剩余5312字）