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Treatmentofrefinerywastewaterbytheprocessof2-levelfloatation+A/OWangHuijuan1,JiErge1,DuanXingeng2(1.CollegeofArchitectureEngineering,XinjiangUniversity,Urumchi830008,China;2.UrumchiPetroleumChemicalPlant,Urumchi830019,China)+A/O1,1,2(1.,830008;2.,830019)[]——。,A/O、NH3-NTN,,《》《》,。[];;;[]X703.1[]B[]1005-829X(2009)07-0082-02Abstract:Theoil-bearingwastewatertreatmentprocessaredescribed,whichincludestheoilseparation-floatation-2-levelbiochemicalaeration,anditsrunningstatusinarefiningplant.Thepracticeshowsthatthe2-levelfloatationandA/Obiochemicalprocesscanbeeffectiveonremovingthetotalcontentoforganisms,NH3-NandTN.Itcanimprovetheefficiencyofwastewatertreatment.Theprocessisaquitematuretechnologyofrefinerywastewatertreatment.ThelongtermrunningresultsshowthatthetreatedwastewaterqualityachievestheFirstGradeStandardoftheSyntheticWastewaterDischargeandtheFirstStandardoftheDischargeofPetroleumRefiningIndustrialWastewaterandPollutants.Theeffluentwaterqualityisquitestable.Keywords:refinerywastewater;biochemicalaeration;floatation;wastewatertreatment、,,,,。、A/O,、NH3-NTN,。,,,BOD5COD。,“”,〔1〕。1、。、、,。250m3/h,(2004):BOD5、COD、SS、NH3-N、、、185.68、652、81、50、154.64、7.63、7.46mg/L,pH6~9。22.11。,5000m3,,,,,“”。,。、、3,,200%,50%~100%。29720097IndustrialWaterTreatmentVol.29No.7Jul.,200982——2009-07,29(7),:+A/O2.230~50mg/L,2~3mg/L。2.32.3.1,1,,1。500~800mg/L,100~150mg/L。2.3.2,:0.3~4.0MPa、50%、0.4MPa、25~40mg/L、1/5~2/3、40mg/L、25mg/L。2.3.3、A/O,,。。DO0.5~1.0mg/L,,200%。,2~4mg/L,50%~100%,1800~4000mg/L。2.3.4:、、COD10、100、180mg/L,15~40℃,45~55min,5~7d。2.4:,:COD、BOD5、NH3-N、SS、、、59.9、20.16、10.30、31.0、0.32、5.49、0.025mg/L,pH8.12。31。4(1):GB8978—1988《》()GB3351—1983《》。(2)A/O,,,。(3),,。(4)。(5)。CODDO,,。[][1].[M].:,2000:278-300.1[](1979—),2003。:15299056685,E-mail:97609689@sina.com.cn。[]2009-03-20()1//h21.25m×7.49m×2.65m35.1D12m×3m2—10m×4m×4m42.610m×4m×4m42.64.5m×4.5m×45m621.94.5m×4.5m×45m621.983——
本文标题:二级气浮AO法处理炼油废水王慧娟
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