,(,458000)MCT(Mixedcrackingtreatment)[1],,,96%,90%。15.8t/aMCT,、,500。MCT,MCT,,(),。1MCT2014,20162,、,,,、,。、CODCr、,,[2]。2,(2%):,。、,,CODCr41240mg/L278mg/L,21080mg/L19.4mg/L,97%,99.78%,。。:;;;:X703.1:A:%1009-2455(2018)06-0047-03TreatmentofindustrialwastewaterfromMCTsuspendedbedcoaltarhydrogenationunitHUHong-hui,ZHANGYan-fei(HebiHuashiUnitEnergyTechnologyCo.,Ltd.,Hebi458000,China)Abstract:ThecomponentsofindustrialwastewaterfromMCTsuspendedbedcoaltarhydrogenationunitiscomplex,whichcontainsmanyphenolicsubstances,polyaromatichydrocarbon,heterocyclicringaromatichydro-carbon,andsomeotherhard-degradedsubstance.Usingcombinedprocessofpretreatment,biochemicaltreatmentandadvancedtreatmenttotreatwastewaterwithhighconcentrationandpoorqualityfromacoaltarhydrogena-tiondeviceinasuspendedbed,themassconcentrationsofCODCrandammonianitrogendecreasedfrom41240,21080mg/Lto278,19.4mg/Lrespectively,theremovalrateofoilwasabove97%,andtheremovalrateofvolatilephenolreached99.78%,whichshowedsignificanttreatmenteffect.Thequalityoftheeffluentwaterafterthetreatmentreachedtherelevantrequirement,whichcouldbedischargedtomunicipalsewagetreatmentplant.Keywords:suspendedbedcoaltarhydrogenation;highconcentrationwastewater;biochemicaltreatment;advancedtreatmentMCTINDUSTRIALWATER&WASTEWATERVol.49No.6Dec.,2018·47·INDUSTRIALWATER&WASTEWATERVol.49No.6Dec.,2018/(t·h-1)pHρ(CODCr)/(mg·L-1)ρ(NH3-N)/(mg·L-1)ρ()/(mg·L-1)ρ()/(mg·L-1)ρ()/(mg·L-1)()0.310~1280000~1200002000~400004000~60008000~120004000~50003.210~1235000~5500015000~250001500~30004000~60005000~70003.57.0~8.5<100<5<13.06.5~7.52000~300050~60100~20050~80<51Tab.1Compositionandqualityofwastewater、1Fig.1Processflowofwastewaterpretreatment()()pH118ρ(CODCr)/(mg·L-1)412404041ρ(NH3-N)/(mg·L-1)2108052.9ρ()/(mg·L-1)66360.72ρ()/(mg·L-1)2206.1199.2ρ()/(mg·L-1)47041136.82Tab.2Qualitycomparisonofsewagebeforeandafterpretreatment;。2、CODCr、“”,1。,、。。2、,[3-6],、。2.1,“”,,、、。、,,。1。2。2,CODCr、,CODCr72.0%,99.3%,74.2%;,30.9%,,。pH118。2.2A2/O、SBR[7]。SBR。A2/O(CODCr、),CODCr,A2/OSBR。2。CODCr、,A2/OSBRSBRSBRAOAOA2OA2O2Fig.2Processflowofwastewaterbiochemicaltreatment·48·,:MCT3Fig.3Processflowofwastewateradvancedtreatment(SBR)()pH7.87.7ρ(CODCr)/(mg·L-1)318278ρ(NH3-N)/(mg·L-1)22.519.4ρ()/(mg·L-1)12.95.4ρ()/(mg·L-1)16.93.13Tab.3Qualityofsewagebeforeandafteradvancedtreatment()SBR,。A2/O6t/h,CODCr4041mg/L,52.9mg/L,,7h1h,SV30≤3%。pH,A0.2~0.5mg/L,O3~6mg/L。SBR(150m3)、(100m3)、SBR(550m3)、(100m3),。,。SBR(20min)、(55min)、(210min)、(55min)、(20min)5。SBR,SBR(6,SBR),SBR,。SBR、,CODCr。10t/h,CODCr2085mg/L,42.27mg/L。SBR,5.0~7.5mg/L,SV30(20±3)%,A/O。A2/OCODCr528mg/L,31.4mg/L。SBR。SBRCODCr318mg/L,22.5mg/L,12.9mg/L,16.9mg/L,CODCr74.6%,67.4%。,52.9mg/L22.5mg/L,57.5%,CODCr4041mg/L318mg/L,92.1%,91.0%,95.7%。2.3,,,,,。,,、CODCr。WCAB[8],。3。,,。40g/L,1~3g/L。3。,ρ(CODCr)<300mg/L、ρ()<30mg/L。3MCT、CODCr、,--,,,。(72)·49·INDUSTRIALWATER&WASTEWATERVol.49No.6Dec.,2018:[1].MCT[J].,2017,46(1):102-104.[2],.[J].,2011,42(4):6-11.[3],,,.[J].,2017,48(5):46-49.[4],,,.[J].,2015,15(9):136-141.[5].[J].,2010,41(4):50-53.[6],,.[M].:,2012.[7],,,.SBR[J].,2012,38(2):58-62.[8].[C]//.2006:81-89.:(1985-),,,,,,()huhonghui2013@163.com。:2018-06-25()3。3,,,A/O-MBR+UF,99.8%,。RO72%,99.9%,。53200m2(),32/m3,20/m3,(、、、、、)5/m3,4.9/m3,2.1/m3。6CODCr、、,A/O-MBR+UF+RO,,,、,,CODCr、、SS、,。:[1],,,.RISN-TG014-2012[M].:,2013.[2],,.[J].,2006,7(5):16-21.[3],.[M].:,2013.[4]./AOMBR/RO[J].,2012,28(16):71-74.[5].:GB16889—2008[S].:,2008.[6].:GB50869—2013[S].:,2014.[7].:CJJ150—2010[S].:,2011.[8].:HJ564—2010[S].:,2011.[9],,.[J].,2003,34(1):43-46.[10],,,.UBF-MBR-NF[J].,2013,44(5):65-67.[11],,,.[J].,2012,20(2):29-31.:(1975-),,,,,,()1007703116@qq.com。:2018-08-07()3Fig.3NH3-Nconcentrationsininfluentandefflentwater /d300024001800120060001086420UFROρ()/(mg·L-1)ρ()/(mg·L-1)51015202530354045(49)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!·72·