降低AAO工艺处理后废水氨氮浓度的实践_孙红艳

降低AAO工艺处理后废水氨氮浓度的实践_孙红艳2018年7月第49卷第4期燃料与化工Fuel＆ChemicalProcesses降低AAO工艺处理后废水氨氮浓度的实践孙红艳1张成展1刘武镛2(1．本钢集团北营公司，本溪117017;2．本钢集团供应商管理部，本溪117000)摘要:介绍了焦化酚氰废水处理的工艺流程，对酚氰废水生化处理后氨氮浓度较高的问题进行了分析，并采取了改进措施，改进后氨氮浓度达到了设计要求。关键词:酚氰废水;生化处理;氨氮浓度中图分类号:X784文献标识码:B文章编号:1001－3709(2018)04－0049－02PracticeofdecreasingtheammonianitrogenconcentrationinwastewaterafterAAOtreatmentSunHongyan1ZhangChengzhan1LiuWuyong2(1．BeiyingCompany，BenxiIron＆SteelGroup，Benxi117017，China;2．SupplierManagementDepartmentofBenxiIron＆SteelGroup，Benxi117000，China)Abstract:Theprocessofphenol-cynaide-containingwastewatertreatmentincokingplantsisintroduced．Thereasonsforthehighammonianitrogenconcentrationinwastewaterafterbio-chemicaltreatmentofphenol-cynaide-containingwastewaterareanalyzed．Basedontheanalysisresult，improvementmeasuresaretaken，afterwhichtheammonianitrogenconcentrationmeetsthedesignrequirement．Keywords:Phenol-cynaide-containingwastewater;Bio-chemicaltreatment;Ammonianitrogenconcentration收稿日期:2018－02－07作者简介:孙红艳(1980－)，女，高级工程师基金项目