AOO生物流化床处理焦化废水中酚类组成及降解特性分析

42Vol.4,No.220102ChineseJournalofEnvironmentalEngineeringFeb.2010A/O/O11,2311(1.,510640;2.,510006),HLB,GC2MS15,7216%,148716%10213%,7.62%,,,A/O/O,()2913%3116%;99%9214%;89%6%;01045mg/L,X70311A167329108(2010)0220253206ComponentsanddegradationcharacteristicsanalysisofphenolsincokingwastewaterinbiologicalfluidizedbedA/O/OprocessZhangWei1WeiChaohai1,2PengPingan1RenMan1(1.PearlRiverDeltaResearchCenterofEnvironmentalPollutionandControl,GuangzhouInstituteofGeochemistry,ChineseAcademyofSciences,Guangzhou510640,China;2.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)AbstractForstudyingonthecompositionanddegradationcharacteristicofphenolsinprocessofcokingwastewatertreatment,phenolswereextractedthroughHLBsolidphaseextraction(SPE)cartridgeand15kindsofphenolswereanalyzedbyGC2MSselectiveionscanningmethodinthisresearch.Theresultsshowedthataveragerecoveryrateof14kindsofphenolsrangedfrom8716%to10213%whiletherecoveryrateofphenolwas7216%,andtherelativestandarddeviationswerelessthan7162%,whichcouldmeetthestandarforphenolsdetectionintheenvironment.Theresultsindicatedthatphenol,methylphenolsandnaphthols,withhighconcen2tration,exsistedincokingwastewater,andasmallquantityofchorophenolsandnitrophenolswasalsoinsideit.IntheprocessofcokingwastewatertreatmentbybiologicalfluidizedbedA/O/O,theremovalrateofhighcon2centrationphenols(phenol,methylphenolsandnaphthols),chorophenolswas2913%and3116%respectivelyduringanaerobicstage;99%and9214%respectivelyinfirstaerobicstage,89%and6%respectivelyinsecondaerobicstage.Theconcertrationofthefinaleffluentwas01045mg/L,whichmetthenationaldischargestandardforiron&steelindustry.Keywordscokingwastewater;phenoliccompounds;biodegradation:(50278036);(2008BAC32B0622):2009-02-23;:2009-03-17:(1984),,,E2mail:[e-mail]3,E2mail:[e-mail],;,(PAHs),,COD30005000mg/L,200500mg/L[1]450%,PHs(phenols),,,,,,EPA12911,686(2,422,4,62)[2],42(011mg/L),42,()(),,,,GC2MS,HPLC2MS[35]2004,//(A/O/O),,64h,,2499h,1803045d,(GB1345621992)[6],,,,GC2MSA/O/O,,,11.1,,11Table1QualitiesofcokingwastewaterCOD(mg/L)TOC(mg/L)NH+42N(mg/L)S2-(mg/L)SS(mg/L)(mg/L)(mg/L)()pH35006001050150281100472565402610270100120409210020150.5600.50.5507161L,3,,,,,(4),,7d,11.2:EPA82702000g/mL(222,442322,622,422,4,622,4,5222422,3,4,62);EPA80402000g/mL(122,4,62),2000g/mL;BSTFA,;,,;MTBE(HPLC),72h;,4504h:FinniganVoyager2GC8000TOP24522:A/O/O;HP25MS(30m0.25mm0125m);(ShimadzuTOC2VCPH,Kyoto);12(SPE);WatersOasisHLB(6mL,200mg)1.3:1L,0145m(122,4,62),pH23WatersOasisHLB,34mL/min,N2,MTBE/(91)433mL3,N2,50LBSTFA50L(),1h,1,1mL1Fig.1PhenolderivatizedwithBSTFA:HP25MS(30m0125mm0125m);:;lmL/min;250,30070eV,230,:503min;4/min80,2min;6/min150,2min;20/min280,2min1L,,(SIR)2,:22;;;;;;22;2,4;4232;2,62;lv2,42;lw22;lx2,4,62;ly42;lz2,4,52;l{2,3,4,62;l|2,4,62;l}1.4,,0145m,TOCTOC10mL,10mL,20mL,100mL,200mL,500mL1L,2,,;2TICFig.2TICofPHs,surrogatestandards,andinternalstandard22.1170105015125102050g/mL,,1L1710g/L6,6,,2,HLB,MT2BE/(91),BSTFA,GC2MS,[7]C18,WatersOasisHLB,HLB,pH,,pH2,34mL/min,MTBE/(91)55242Table2Linearrange,recoveryandrelativestandarddeviationsofthemethod(g/mL)(n=6)(%)(n=6)(%)(m/z)0.05500.99972.66.911660.05500.99890.77.621800.05500.99892.56.531800.05500.99993.55.36180220.05500.99995.62.671852,420.05500.99793.53.56194422322,620.05500.05500.9980.99996.795.85.844.562142342,420.05500.99998.75.622342,4,620.05500.997101.64.312532,4,520.05500.998102.34.86253220.05500.99887.66.511962,3,4,620.05500.99996.13.122890.05500.99898.23.58323420.05500.99990.35.981962.22.2.1GC2MS,:2,423,522,522,322,623,421222,22422.2.2A/O/O,2,42,,3,,100mg/L,,88126mg/L41173mg/L,46146mg/L(2,4231177mg/L),281914mg/LA/O/O,10g/L,2,4215161g/L,3g/L;212,2251948g/L,,52112mg/L27011mg/L,100mg/L,,,2913%;,1mg/L,99%;,89%,,0105mg/L,,,,,,,,,,,10g/L,22426522:A/O/O3Table3Determinationresultsofphenol,methylphenolsandnaphthols(mg/L)(mg/L)(mg/L)(g/L)(g/L)(g/L)169.888.9766.90415.310.405.81288.2645.8535.8922.686.6012.681166.041.7389.5321.6855.8118.2963.2410.2714.705.8834.8602.8312,623.8421.0990.52611.383.7561.5952,4231.7716.509.372184.828.0715.612,520.9530.5320.2279.4814.6022.5803,521.2810.2080.15112.242.8211.7703,422.9791.0560.4165.8880.7500.0292,325.6342.5791.89112.532.0260.929125.9771.0020.38475.22NDND222.9370.9521.04153.336.0965.948521.2270.1190.9876.485.7144.65:ND4Table4Determinationresultsofchorophenolsandnitrophenols(g/L)221.1320.7690.4140.0120.0030.003422320.4980.2540.0820.0340.0280.0032,620.0460.0210.0060.0020.0020.0022,420.3470.1750.0850.0120.0630.0082,4,622.6341.5141.3010.0560.0120.0102,4,52NDNDND0.0040.0030.0022,3,4,620.1770.0880.0410.0260.0260.019NDNDNDNDNDNDNDNDNDNDNDND4.8342.8211.9290.1460.1370.047224.7562.3330.7190.6350.0550.086425.0912.0040.8821.3170.5090.083:ND4,,3116%,9214%,6%,,,,,[8]2.3TOC,TOC:110315mg/L,66711mg/L,28015mg/L,54168mg/L,35.69mg/L,19130mg/L3,A/O/O3TOCFig.3BiodegradationofTOCandPHs,,TOC,,TOC7524,,,,TOC,,TOC80%,99%TOC,34172%,90%,,[9]3(1)HLB,MTBE/(91),BSTFA,GC2MS15,7216%,148716%10213%,2.67%7162%,(2)2,423,521222,500mg/L,,(3)A/O/O,()2913%3