应用MBR处理电厂锅炉酸洗废水的研究_张萍

应用MBR处理电厂锅炉酸洗废水的研究_张萍应用MBR处理电厂锅炉酸洗废水的研究张萍1,陈晓宇2,宋立群3,沈保中3(1.上海电力学院,上海200090;2.上海杨树浦电厂,上海200090;3.华能石洞口二厂,上海200942)[摘要]应用膜生物反应器处理锅炉酸洗废水可以达到减低CODCr并使之达标排放的目的。其最佳的操作条件是停留时间8h,12h连续进料,闲置12h,进料时12h连续曝气,pH在6～8,水温20℃,DO为2mg/L左右,污泥质量浓度约为1g/L,污泥沉降比为10%。CODCr去除率为88.50%左右,TOC去除率为85.60%左右。[关键词]膜生物反应器;锅炉酸洗废水;TOC去除率[中图分类号]X703.1;TK228[文献标识码]A[文章编号]1005-829X(2006)05-0044-03第26卷第5期2006年5月工业水处理IndustrialWaterTreatmentVol.26No.5May,2006Abstract:InordertoremoveCODCrandmeetdrainagecriterionofthewastewater,themembranebioreactorisusedfortreatingtheacidpicklingwastewaterforboilersinthepowerplant.Thebestoperationconditionsareprovedinthisexperiment:8hofthehydraulicretentiontime,DOabout2mg/L,pH6-8,temperature20℃,mixed-liquorsuspendedsolid1g/L,settledvolumeofsludge10%,12hcontinuingfeed-inandcontinuingforcingair.CODremovalefficiencyisabout88.50%andTOCremovalrateisabout85.60%.Keywords:membranebio-reactor;acidpicklingwastewaterforboilers;removalefficiencyofTOCResearchonapplyingMBRtotreattheacidpicklingwastewaterfor