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:1671-4067(2008)02-0007-04+A/O侯 捷1,完颜华2,孔艳娜2(1.,730050;2.,730070):通过实验研究探讨水解+A/O法对石化废水的处理效果、处理机理和工艺适应性,为解决废水处理,寻求技术可行经济适用的处理方案。通过分析废水COD和氨氮等指标的变化规律,得出水解+A/O工艺的有效运行控制参数,正确的指导运行,使石化废水达标排放,同时也为类似难降解废水处理的实际运行提供技术依据。:石化废水;水解酸化;A/O工艺:X742 :A0 、、,,CODNH3-N。,+A/O、,,。,,,COD,+A/O,,,。+A/O。1:1 +A/O :2008-05-25: (1972-),,,,.:1):,、C∶P=100∶1。2)PH:ONaCO3。OPH8.0-8.5。3):A0.5mg/L,O2.0-3.5mg/L。4):O3g/L。77-134。1 ,[1]:(1),。(2),。1.1 。,W.W.Ecken-felder::。:第8卷第2期 兰州石化职业技术学院学报 Vol.8No.22008年6月JournalofLanzhouPetrochemicalCollegeofTechnologyJun.,2008()、、,H2、CO2、H2S、NH3。,PH。:,2()、、,H2。,,,PH,,H2S、、。:()、H2、CO2、CH4CO2,,CO2,,1/3,2/3。2。2 ,,。1.2 、,,,,。(HRT)3.1~5.5h。1。 1,,BOD,COD,16.1%,[2]。BODCOD。1 /h3.13.74.34.95.5CODcr/mg/L/mg/L/%5905516.662154811.754344717.650540220.350137824.5BOD5/mg/L/mg/L137140156159134145128140125138BOD5/CODcr/mg/L/mg/L/%0.2320.2548.70.2510.29013.40.2470.32423.80.2530.34827.30.2490.36531.8。(NH3、H2O、CH4、CO2),,,CODBODBOD。,,;,,[3]。BOD5/CODcr。,,、。BOD5/CODcr,BOD5/CODcr:BOD5/CODcr0.58 BOD5/CODcr=0.45~0.58 BOD5/CODcr=0.30~0.45 BOD5/CODcr0.30 2、BOD5、COD-crBOD5/CODcr。2 BOD5/mg/LCODcr/mg/LBOD5/CODcr1365520.2461444650.316 2,BOD5/CODcr0.246,,BOD5/CODcr0.316,8.7%~31.8%,21.0%,,·8· 兰州石化职业技术学院学报 2008年 ,。2 A/O,,,、、,,,,。,,,,,。A/O,。2.1 A/O、、。,(),,、,,。:,“”,,:RCH2NH2COOH+O2RCOOH+CO2+NH3:,。:(NO-2);(NO-3)。。::NH+4+32O2NO-2+H2O+:NO-2+12O2NO-3+:NH+4+2O2NO-3+H2O+2H++:(N2)。,。,,,(),,;(),。,:6NO3-+2CH3OH6NO2-+CO2+4H2O6NO2-+2CH3OHN2+3CO2+H2O+6OH-2.2 A/O,OPH7.5-8.0,A0.5mg/L,O2.0-3.5mg/L。1)A/O,,100%,;。,,200%。3。3 /A/O/mg/L/mg/L/%06125.558.21006919.571.81506713.979.32006310.982.7 2),A/ONH3-N。HRT=9.7h,,,,。4A/O。4 HRT/hNH3-N/mg/LNH3-N/mg/L/%5.76931.554.30.0497.77124.166.10.0469.76613.080.30.04111.7658.8486.40.03613.7627.2088.40.030 3)9.7h,A/O·9· 侯 捷,完颜华,孔艳娜.水解+A/O法处理难降解石化废水的应用研究 NH3-N68~114mg/L,0.168~0.282kg/m3·d,0.230kg/m3·d,NH3-N,83.7%~86.4%,,。0.230kg/m3·d,NH3-N。A/O0.230kg/m3·d。5。5 NH3-N/h/kg/m3·dNH3-NA/O/mg/L/mg/L/%9.70.28211429.873.90.25910525.276.00.2309314.184.80.1857510.286.40.1686811.183.73 1):4.3h,A1.7h,O8h。A/O200%。2),COD13.9%,A/OCOD76.1%~79.7%。COD77.9%~83.8%,,COD15.2%,A/OCOD84.8%。3)NH3-N41mg/L~62mg/L,NH3-N48mg/L~73mg/L,、,NH3-N。NH3-N7.38mg/L~12.6mg/L,A/O80.1%~89.3%。COD、NH3-N,。:[1] ,.[J].,1999,32(6):35-38.[2] P.Sauvegrainetal.Anaerobicbiofiltrationversusaerobicmembranefiltrationcomparisononadifficultsubstrate[J].Wat.Sci.Tech,1992,25(10):211-218.[3] ,.-[J].,2003,23(5):16-18.AppliedResearchontheTreatmentofLow-DegradabilityPetrochemicalWastewaterwithHydrolyticAcidification-Anoxic/OxicMethodHOUJie1,WANYan-hua2,KONGYan-na2(1.BuildingEngineeringdepartment,LanzhouPolytechnicalCollege,Lanzhou730050,China;2.SchoolofEn-vironmentalMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China)Abstract:Throughexperimentalresearch,theeffectivenessandprincipleoftreatmentandtheadaptabilityofthisprocessbyusingHydrolyticAcidification-Anoxic/Oxicmethodtodisposalthepetrochemicalwastewateraredis-cussedinordertofindafeasibleandapplicabletreatmentscheme.ByanalyzingthechangingregularityofCODandNH3-Nwastewaterindexes,gettingtheeffectively-operatingcontrollingparameterofthemethodtoguidetheop-erationandmakingthepetrochemicalwastewaterdischargedproperly,atthemeantime,supplyingatechnologysupportforpracticallyoperatingtheparallelLow-Degradabilitywastewater.Keywords:petrochemicalwastewater;hydrolyticacidification;Anoxic/Oxicprocess·10· 兰州石化职业技术学院学报 2008年
本文标题:O法处理难降解石化废水的应用研究
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