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221Vol.22No.120103JOURNALOFNINGBOUNIVERSITYOFTECHNOLOGYMarch.2010:2009-11-01:,,。A/O刘新文(宁波工程学院,浙江宁波315016):文章研究了A/O工艺处理以工业废水为主的城镇污水的运行性能。结果表明:3h的水解酸化池HRT及10h的曝气池HRT能够达到较理想的处理效果;两处理单元的污泥活性活性稳定。为了达到完全的达标排放,生物处理单元后需增加絮凝处理单元,HRT为2h;稳定运行过程中CODcr、SS、色度的总去除率达到90%左右,NH4+-N平均去除率达78%以上。出水平均值CODcr为47.7mg/L,SS为12.92mg/L,NH4+-N为4.38mg/L,完全达到了城市污水综合排放标准(GB8978-1996)。:A/O工艺;工业废水;城镇污水;运行性能:X703:A:1008-7109(2010)01-0065-06,,。,,。,。、,A/O,。11.1,。,,。、、3:3:4。1。1/mgL-1COD500～600TP1～2BOD5100～200TN20～80NH3-N20～40100～5001.2。10000mg/LVSS,3500～4000mg/LVSS。。2。201012pHSVIVSS(g/L)DHE(ugTF/[h.gVSS])Anoxic5.07-5.8542.59.55-10.235.49-39.11Aerobic6.5-8.5323.5-4.034.76-37.16 1.3A/O(Anoxic/Oxic)。,,,。1。1A/O 1.4、、、、、。、。,。7cm,35cm(5cm),1165mL,10cm、15cm、20cm、25cm30cm()。9cm,40cm(5cm),2550mL,10cm、15cm、20cm、25cm、30cm35cm()。,,,15cm(4.5cm),9cm(8cm,1cm),6.5cm,3.5cm,400mL,(HRT)2h。1.5,(HRT)2h,3h,5h,7hHRT3h,6h,9h,10h,12h,15hCODcr,CODcr。6,R1.0,2.0,3.0,4.0,5.0,6.0[1][2]。,。pH6.5～7.5,2.0mg/L。A/OCODTN,,A/O,。3(DHA)TTC-(VSS)550℃(SOUR)[3](SMA)[4](GCR)3,5- 1.6。CODcr、(SS)、PH、、NNH4+-N,。3。66:A/O22.1HRTCOD,HRT。HRT。,HRTCOD。2。2,HRT,,HRT3～5h,CODcr40%～45%。HRT,CODcr。,HRT3～5。3hHRT。HRTCODcr:HRT,CODcr,10h,CODcr80%,HRTCODcr。HRT10～12h。2HRTCOD2:HRT3～5h,,。HRT10～12h,,,,。,HRT。/CODcr,。2.2RA/O(Anoxic/Oxic),。A/O,,,BOD/NO3-,NO3-;,BOD/NO3-,,[5]。(R)。TN,4。:R1.03.0,TN44%71%,BOD/NO3-,NO3-,。R6.0,TN52%,NO3-BOD/NO3-,,TN。R3.0。4R1.02.03.04.05.06.0TN44%69%71%59%55%52% 2.3,3500～4000mg/L。(DHA)、(MGCR)、(MSOUR)、(MSMA)3,4,5,6。3,,34.91ugTF/[gVSS-h]34.05ugTF/[gVSS-h]。,,,A/O。67201013DHA 44A/O,。,,1.46g/[gVSS-d]1.33g/[gVSS-d]。。,。5 65,。,。,,。86.86mgO2/[gVSS-h],328.52mgO2/h。6。,。,,pH,,。,。,。2.4:A/OCODTN,,A/O。,68:A/OHRT3h,HRT10h,3,2h,CODcr、SS、90%,NH4+-N78%。CODcr47.7mg/L(),NH4+-N4.38mg/L(),SS12.92mg/L(),(5,6,78)。5CODCODCODCODCODCOD503.0278.044.73%72.074.1%36.050.0%36.092.84%536.0254.052.6%60.076.38%52.213.0%52.290.26%464.0344.025.86%88.074.42%52.040.91%52.088.79%456.0256.043.86%72.071.88%48.033.33%48.089.47%536.0232.056.72%72.068.97%52.027.78%52.090.3%576.0368.036.11%92.075.0%46.050.0%46.092.01%511.8288.743.31%76.073.46%47.735.84%47.790.61%6NH3-NNH3-NNH3-NNH3-NNH3-NNH3-N18.9114.0725.59%12.959.38%10.816.29%10.842.68%23.1421.28.38%12.3841.6%9.7920.92%9.7957.69%20.5514.2930.46%2.2684.18%1.1350.00%1.1389.00%22.8422.018.01%1.8084.11%1.3425.56%1.3494.13%22.0820.477.29%1.9590.92%1.7311.28%1.7391.94%22.5319.9411.5%1.5792.59%1.429.55%1.4293.70%21.6818.6615.21%5.4667.13%4.3822.27%4.3878.19%7SSSSSSSSSSSS139.0--19.585.97%10.844.62%10.892.93%263.0--22.691.42%12.046.90%12.095.43%307.0--43.385.90%11.274.13%11.296.35%173.0--25.685.20%11.355.85%11.393.47%240.0--48.080.00%17.663.33%17.692.67%205.0--35.882.54%14.659.22%14.692.88%221.2--32.585.17%12.957.34%12.993.84%81005050.0%2060.0%575.0%595.0%16010037.5%2080.0%0100%0100%1005050.0%2060.0%575.0%595.0%1004060.0%1083.3%0100%0100%1257540.0%1075.0%550.0%596.0%20015025.0%2086.7%575.0%597.5%69201013(1)A/O(3h)+(10h)+(2h)。(2),34.91ugTF/[gVSS-h]34.05ugTF/[gVSS-h];1.46g/[gVSS-d]1.33g/[gVSS-d],86.86mgO2/[gVSS-h]328.52mgO2/h,340.65mlCH4/[gVSS-d]3253.8mlCH4/d。(3)CODcr、SS、90%,NH4+-N78%。CODcr47.7mg/L,SS12.92mg/L,NH4+-N4.38mg/L,(GB8978-1996)。:[1]何江涛,段光杰,张金炳等.污水渗滤土地处理系统中水力停留时间与出水效果的讨论[J].地球科学--中国地质大学学报,2002,27(2):203-208.[2]张显龙,李海燕,刘红侠等.活性污泥法处理污水两个重要参数的理论探讨[J].辽宁化工,2004,33(8):464-467.[3]郝晓地,张自杰.活性污泥耗氧速率的测定及其影响因素的试验分析[J].环境科学与技术,1991(3):35-39[4]WeiminWu,JihuaHuandXiashengGu.Maximumspecificmethaneproductionrateofanaerobicsludgeanditsmeasure-mentbybatchtest[J].Chinawaterwastewater1993,9:17-20[5]郑义,孟祥荣,武剑等.A/O生物脱氮回流液中溶解氧影响因素的研究[J].燃料与化工,2003,34(5):263-265.StudyonPerformanceofA/OTechnologyinTreatmentofUrbanSewageLIUXin-wen(NingboUniversityofTechnology.Ningbo,Zhejiang,315016,China)Abstract:ThepaperstudiestheperformanceofA/Otechnologyintreatingtheurbansewage,especiallytheindustrialwastewater.Thefindingsindicatethattheanoxic(3h)/oxic(10h)processwasniceandtheactivityindexesofthetwotypesofsludgewerebothverysteady.Thefloccutionsedimentwith2hHRTissettosatisfythedischargestandards.Duringthesteadyrunning,theremovalrateofchemistryoxygendemand,thesuspen-dedsolidandchromareachedupto90percent,irrespectively,andtheremovalrateofammonianitrogenwasupto78percent,andtheevenconcentrationofCOD,SSandNH4+-Nwas47.7mg/L,12.92mg/Land4.38mg/Lrespectivelyintheeffluent,capableofsatisfyingthewastewatercomprehensivedischargestandards(GB8978-1996).Keywords:A/Oprocess,industrialwastewater;urbansewage,operatingperformance70