复合式折流板厌氧反应器处理城市污水_苏鸿洋

文章编号:1000-2243(2002)06-0908-05复合式折流板厌氧反应器处理城市污水苏鸿洋,夏雪芬,董发开(福州大学环境与资源工程系,福建福州　350002)摘要:采用弹性立体填料的复合式折流板厌氧反应器处理城市污水.研究结果表明,该装置处理城市污水效果显著.当进水COD在87-320mgL范围内(平均227mgL)变化,水力停留时间大于5.2h,反应系统的容积负荷小于0.86kgCOD(m3·d)时,常温下COD去除率大于60%,出水COD平均为81mgL,SS去除率大于77.8%,出水SS小于30mgL;反应系统在试验条件下温度与溶解性COD去除率成正相关.试验还得出了系统处理城市污水溶解性BOD去除率随HRT变化的降解动力学模式.关键词:水解;复合式折流板厌氧反应器;城市污水;弹性立体填料中图分类号:X703文献标识码:APilotstudyonHABRformunicipalsewagetreatmentSUHong-yang,XIAXue-fen,DONGFa-kai(DepartmentofEnvironmentalandResourcesEngineering,FuzhouUniversity,Fuzhou,Fujian350002,China)Abstract:ThisstudyusedHABRtotreatmunicipalsewageinconditionofnormaltemperature.There-sultsoftheexperimentshowthat:WhiletheinfluentCODrangesfrom87mgLto320mgL(theaverageis227mgL),HRTexceeds5.2h,Nv(organicvolumeloading)islessthan0.86kgCOD(m3·d),theremovalefficiencyofCODandSSexceed60%and77.8%respectively,andtheaverageoftheeffluentCODis81mgLandtheeffluentSSislessthan30mgL.TheremovalofsolubleCODispositivecorre-lationtotemperatureintheexperiment.Inthestudythe