SBR工艺用于生活污水除磷脱氮的试验研究王培风

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第23卷 第1期西安科技学院学报Vol.23 No.1 2003年3月 JOURNALOFXI'ANUNIVERSITYOFSCIENCEANDTECHNOLOGYMar.2003  :1671-1912(2003)01-0030-04SBR王培风1,张冬梅2,赵平健3(1., 310016;2., 525000;3., 310016) :采用SBR工艺处理有机物含量低、氨氮含量高的城市污水,经过反复试验研究发现,该工艺对生活污水中氮、磷等污染物具有良好的去除效果。试验结果表明,采用试验水样平均进水水质为CODcr=197mg/L;BOD5=95mg/L;SS=203mg/L;NH4+-N=63mg/L;PO-34=1.3mg/L,各项污染物的平均去除率为:CODcr80%,BOD583%,NH4+-N75%,TP61%,处理后出水水质均能达到国家规定的排放标准(GB8978-1996),并提出了该工艺处理低碳高氮城市污水的最佳工艺条件。:城市污水;除磷脱氮;SBR工艺:X703   :A(SequencingBatchReactor,SBR)、。SBR,SBR、、、、,。,SBR,[1]。SBR,///,,。,,SBR,、。,CODcr=197mg/L;BOD5=95mg/L;SS=203mg/L;NH4+-N=63mg/L;PO4-3=1.3mg/L,(GB8978-1996)。1 1.1 ,、,70%。NH4+-N,,1。1 Tab.1 Qualityofthewastewatermg/LSSCODcrBOD5NH4+-NPO4-3pH3273821511253.57.08211050200.66.420319796631.36.7:2002-04-24:(1963-),,,,、.DOI:10.13800/j.cnki.xakjdxxb.2003.01.0081.2 1。SBRPVC,SBR30L,20L,,、,SBR。1 Fig.1 Experimentaldevice1.3 SBR,,,,,,SV,7~10d,SV,,,。11dSV13%。12d,,SBR,。,,SBR,。。2 2.1 ,3,4,2,3,4,5。,SBR。SS,CODcr,BOD5,,NH4+-NPO4-3,(GB8978-1996)。2.2 2.2.1 运行周期及运行方式SBR,,。SBR,。、,,,,。4.0h、6.0h,8.0h,10.0h,2,3,4,5,,4.0h、6.0h,,、。,8.0h,10.0h,,,10h,8.0h,8.0h,(GB8978-1996)。,。8.0h。,,,。,、、。,,、,,,。,,,,,NO2--N、NO3--N,,NO3--N,。、、。8.0h,0.5h、1.0h、3.5h、1.5h、1.0h、0.5h。31第1期           王培风等 SBR工艺用于生活污水除磷脱氮的试验研究2 CODcrFig.2 CODcrremovalrateindifferentcycleofoperation     3 BOD5Fig.3 BOD5removalrateindifferentcycleofoperation4 NH4+-NFig.4 NH+4-Nremovalrateindifferentcycleofoperation   5 TPFig.5 PO-34removalrateindifferentcycleofoperation2.2.2 影响因素1)(DO)。DO。BOD5、CODcr,DO,,,NH4+-N。DO2mg/L,CODcr,BOD5PO4-3,NH4+-N。DO,1mg/L,,,,DO2mg/L。DO,DO,,,,DO,,,NO3--N,。,SBR,,DO:2~3mg/L,0.5mg/L,0.2mg/L。2)pH。pH,,pH。pH7.0~8.5,,,NH4+-NNO3--N,H+,,pH。,pH。pH6.5~7.0,pH,,,:SBR,pH,,32西安科技学院学报             2003年 H+,H+,pH,。DO,,pH;,,,pH,,pH,。3)BOD-MLSS。,SBR,,,。NH4+-N,COD、BOD5,C/N。,NH4+-N50mg/L,NH4+-N。PO4-3,,。BOD-MLSS,,BOD-MLSS,,、、,BOD-MLSS0.09kgBOD/kgMLss.d,。4)(SRT)。,SRT,,SRT。,,SRT,,。,SRT,,。,SRT12d。3 1)SBR,,(GB8978-1996)。2)SBR,,、、,8.0h,,CODcr80%,BOD583%,NH4+-N73%、PO-3461%。3),,,,,。:[1] ,.[M].:,2001.138~149.[2] ,.[M].:,1998.39~48.[3] .[M].:,1997.98~150.ExperimentalresearchonphosphorandnitrogenremovalofcivilwastewaterwithSBRtechniqueWANGPei-feng1,ZHANGDong-mei2,ZHAOPing-jian3(1.ZhejiangHydro-electricCollege,Hangzhou310016;2.MaomingInstitute,Maoming525000;3.ZhejiangIndustryProjectInstituteHangzhou310016,China)Abstract:ItisdiscoveredthattheSBRtechniquehasexcellenteffectonremovingofthephosphorandnitro-geninthecivilwastewaterafterrepeatedexperiments.Theresultshowsthatthesamplewithfollowingaver-ageattributes:CODcr=197mg/L,BOD5=95mg/L,SS=203mg/L;NH4-N=63mg/L,PO4-3=1.3mg/L,canbeuptothenationalfirstdischargestandard(GB8978-1996)aftertheprocessofthetreatmentwiththetechnique.Thereafter,theoptimiumoperationalconditionsforthetechniquehasbeensuggestedtodis-posethecivilwastewaterwithlowcarbonandhighnitrogen.Keywords:civilwastewater;phosphorandnitrogenremoval;SBRtechnique33第1期           王培风等 SBR工艺用于生活污水除磷脱氮的试验研究

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