BICT工艺运行模式对除污性能的影响_潘杨

Effectsofbi-cyclictwo-phasebiologicalprocessunderdifferentoperatingmodesonpollutantremovalefficiencyPanYang，HuangYong，LiYong（DepartmentofEnvironmentalScienceandEngineering，UniversityofScienceandTechnologyofSuzhou，Suzhou215011，China）BICT工艺运行模式对除污性能的影响潘杨，黄勇，李勇（苏州科技学院环境工程系，江苏苏州215011）［摘要］新型双循环两相（BICT）生物脱氮除磷工艺是以序批式活性污泥法为基础的废水处理技术。应用该工艺以城市污水为水源进行的中试试验研究结果表明，运行模式对系统反硝化和吸磷效果影响显著。在适宜的负荷和运行模式下，新工艺可实现对进水碳源的充分利用，TN和TP的平均去除率可达81.6%和90%，出水TN和TP可分别控制在15mg/L和0.5mg/L以下。［关键词］SBR；运行模式；反硝化；除磷［中图分类号］X703［文献标识码］B［文章编号］1005-829X（2010）12-0066-04Abstract：Thenewbiologicaldenitrificationanddephosphorizationprocess，bi-cyclictwo-phase（BICT）biologicalprocess，isbasedonthesequencingbatchreactoractivatedsludgeprocess.Whileusingurbansewageaswatersources，thepilotexperimentalstudyresultsshowthattheeffectsofoperationrunningmodesonthesystemefficien-ciesofdenitrificationandphosphorusuptakearesignificant.Withappropriateloadandoperatingmode，thenewprocesscanrealizethefullutilizationoftheinfluentcarbonsource.Theaverageremoval