MBR工艺在含油废水处理中的应用

1，，。，，，，，。，。2008，(A/O)，(MembraneBio-Reactor，MBR)。MBR，。，，，，、。2MBRMBR，，；，，。，，300%～400%，，，，。MBR：①，；②、，；③，，；④，，，，。MBR1。MBR，，(，712000)(MembraneBio-Reactor，MBR)，，；，，。300%～400%，，，，。，；、，；，；，，，，。MBRA/O(/)，。，，MBRA/O，，。MBR：，，2007，。E-mail：[e-mail](、、)RO1MBRSINO-GLOBALENERGY·115·53，，MBR，A/O。3.2MBR4，MBR，COD40mg/L，1mg/L；3，94.23%，89.34%；、、99.69%、99.61%、99.79%，；，，[1]，MBR。4，MBR，，、MBR。，，MBR。4.1MBR，，3mg/L。，MBR，。，MBR3，，MBR，、，。4.2，。、，。MBR。，2～4mg/L；，，、，，，。，，、、、、、、。12，，。1，2。3MBR3.1MBR，，，，。20091212010331。3。1MBR/(m3·h-1)300400/(m3·h-1)2512PVDFMBR/m35800MBR700/h19.314.5DO/(mg·L-1)2～4/(mg·L-1)3000～60002pH6～9CODcr/(mg·L-1)≤100BOD/(mg·L-1)≤10/(mg·L-1)≤3/(mg·L-1)≤2mg/L3MBRCOD695.88435.22334.97247.5103.2461.3542.127.699.6912.214.211.131.280.62136.2654.6521.391.540.469.5913.138.50.130.079.4912.4111.360.040.02：MBRCOD30mg/L，30mg/L。201116·116·SINO-GLOBALENERGYCOD03-0152.20.1170.190.180.00703-02300.1230.1010.120.03803-03300.0860.0103-0442.60.070.610.01403-0541.80.0140.6470.00303-06300.0250.1030.01703-0732.80.1110.01303-0827.20.1240.01403-0944.70.0860.01403-1061.40.1210.01203-1134.91.5960.10.01503-1234.84.5861.2940.060.01103-1333.85.6570.090.0103-1430.90.0531.0690.01103-1534.80.0950.02303-1643.60.4350.1330.02803-17911.7028.0430.01203-19300.0930.00803-2052.90.0950.0830.490.00803-2253.90.4070.1610.02403-23300.4440.1040.02603-2444.30.1060.1020.01903-2546.80.0420.0940.01203-2636.70.1920.03303-27300.0451.010.03203-2837.60.4910.1590.01903-29305.0930.2880.01703-3032.22.6080.2660.01903-3143.50.1010.00840.150.820.530.030.0242010MBRmg/L[2]，、。4.3，，，，、，，。4.4、，MBR，，。MBR，，：①，，“”，，；②，；③U-PVC，，；④，，，；⑤，，U-PVC，，、；⑥，，，，，。4.5MBR8h，。，，，，。，，，。，，，，。4.6MBRMBR，，，，MBR，，，。5，MBR，，。，A/O，，、，MBR。，，、，。，、、，，。：1821。·117·5.MBRTheApplicationofMembraneBio-ReactorinRefineryWastewaterTreatmentFengChaoqun，WeiQiang，WangFeng(PetrochinaChangqingPetrochemicalCompany，XianyangShaanxi712000)[Abstract]MembraneBio-Reactor(MBR)technologyuseshollowfiberonthemembranetanktoseparatesolidsandliquidofsuspendedliquidmixtureinabiochemicalreactiontankthroughthepumpingactionofvacuumpumpsandwaterproductionpumps.Itutilizestheselectivepermeabilityofmembranetoproduceeffluentandachievebiologicalconcentrationinthebiochemicalreactiontank，greatlyraisingtheefficiencyofbiologicaltreatment.Theactivesludgetrappedflowsbacktothebiologicalanoxictankatarefluxratioof300%-400%.Insidethemembranetankisinstalledanaeratingapparatus，whichcancleanthesurfaceofthemem-branewithwaterandgasbymeansofoscillationontheonehandandontheotherhandsupplyoxygenneededinthedegradationofaerobe.Thistechnologycanefficientlyseparatesolidandliquidandtheeffluentitproducescontainsverylowcontentsofsolidimpuritiessuchassuspendedmatters.Theconcentrationofsludgeinthereactorishigh，thevolumetricloadishighandsludgeoutputofthesystemislow.Thereactorhasrichbiologicalpopulationsinitandhasahighrateofremovalofpollutants.Thesystemusesamodulardesignanddoesnotrequirealargelandarea.Itiseasytooperateandexpandandallowswhole-processautomatedcontrol.ThisarticlestudiestheoperationalcharacteristicsoftheMBRandA/Ointegratedtechnolo-gyandkeypointsofmaintenance.Applicationresultsshowthatifprocesscontrolisstable，MBR′streatmenteffectismuchbetterthanA/Otechnology.TheeffluentproducedbyMBRcaneitherbedirectlyrecoveredorberecoveredafterbeingfurthertreated.[Keywords]MBR；removalrate；biochemicaltank；solid-liquidseparation；wastewatertreatment：[1]，.MBR[J].，2003，16(4)：42-44.[2]，，.[J].，2002，22(1)：40-43.()201116·118·SINO-GLOBALENERGY··。，104，20%。，55，；17，23%。，13，28。，，，，。《》205080%，，。1/3，“”2/3。，，。，。，，。()