次氯酸钠氧化法深度处理造纸废水试验研究

34、。COD[1-4]。COD100mg/L60《》DB32/1072-2007。NaClO。NaClOCOD。11.11。NH4+-NTNTP《》2010-03-222010-04-01“”[e-mail]。EnvironmentalScience&Technology34320113Vol.34No.3Mar.2011.[J].201134390-92.LvXianLiuWei-jingTuYongetal.ExperimentalstudyonadvancedtreatmentofpapermakingwastewaterbyNaClOprocess[J].EnvironmentalScience&Technology201134390-92.1222111.2211162.210036COD。pH、NaClO、COD。1.6mL/L、pH9、40min、35℃COD50%87.7%。CODDB32/1072-2007。NaClOX703.1Adoi10.3969/j.issn.1003-6504.2011.03.0211003-6504(2011)03-0090-03ExperimentalStudyonAdvancedTreatmentofPapermakingWastewaterbyNaClOProcessLUXian1LIUWei-jing2TUYong2GUOFang-zheng2LIYan1XIELin11.SchoolofEnvironmentScienceandSpatialInformaticsChinaUniversityofMiningandTechnologyXuzhou221116China2.JiangsuProvincialAcademyofEnvironmentalScienceNanjing210036ChinaAbstractSinceCODcrandcolorofeffluentwateraredifficulttosatisfythenewemissionstandardsthesecondarybiochemicaleffluentwaterfromapapermillinWuxiJiangsuProvincewasadvancedtreatedbyNaClOprocess.EffectsofinitialpHNaClOdosageandreactiontimeandtemperatureonremovalrateofCODcrandchromewerestudied.ResultsindicatedthatundertheconditionsofpH9NaClOdosage1.6mL/Lreactiontime40minandtemperature35℃removalrateofCODcrwas50%andremovalrateofcolorwas87.7%whichallcanmeetthenewemissionstandardofDB32/1072-2007.Keywordssodiumhypochloriteoxidationpapermakingwastewater1Tab.1ThequalityofexperimentalwaterCOD/mg·L－11057889/805060pH7.657.307.37SS/mg·L－1603550(CaCO3)/mg·L－110709801030/℃352028NH4+-N/mg·L－11.890.781.52TN/mg·L－115.6712.6213.47TP/mg·L－10.490.250.373COD60mg/LNH4+-N5mg/LTN15mg/LTP0.5mg/L20NaClOCOD。1.2CODpHPHS-3CpH[5]。1.3H2SO4ARNaOHARK2Cr2O7ARAg2SO4ARFeNH42SO42ARHgSO4AR12%。1.4500mLNaOHH2SO4pHNaClOCOD。22.1HClOHClOOCl-OCl-H+。NaClO1、2NaClO+H2O→HOCl+NaOH1HOCl→H++ClO-2HOCl[O]。NaClO。、、COD。NaClO。-C=C-、-C=O、-N=N-、-NO2、-S=O[6]。2.2NaClOCODpHpH7.3760minNaClOCOD1。1NaClOCOD。500mL0.20.40.60.8mLNaClOCODNaClOCOD。[O]NaClO0.8mL/500mL1.6mL/L。2.3NaClOCOD[7]。500mL0.8mL10min60minCOD2。240minCODCOD40min。30minNaClOCOD。COD40minCOD。2.4pHNaClOCOD8500mL9134pH0.8mL、40minCOD。3。3pH。4pH101115pH。pH9COD50%。[8]pHCOD。pH2COD20.9%pH11COD26.5%。[9]pHCOD。NaClOpH。Ca2+CaOH2、、、。NaClOpHpH9.5pH9.5mL/LNaClO99.99%。pH9.5CODHClOpH1011CaOH2COD。NaClOCODpH7~9。pHpH7.37COD50mg/L8CODpH。2.5NaClOCOD20~35℃35℃28℃20℃。pH40minNaClO0.8mLpHCODCOD4。31NaClO。2NaClOpH9NaClO1.6mL/L40minCOD52%86.7%pHCOD49.9%CODDB32/1072-2007。3NaClOCODNaClO。[][1].———[J].20014:21-24.LongZhuChenYun-zhi.Applicationofpolyaluminum-organicpolymercompositeflocculantstopapermilleffluenttreatment[J].ChinaPulp&Paper20014:21-24.inChinese[2].COD[J].2002216:64-67.LiuCheng-bo.StudyonreducingCODofwastewaterfromwastepaperpapermakingwithactivatedcarbonadsorptionmethod[J].PaperScienceandTechnology,2002216:64-67.inChinese13392392[3].COD[J].2003323:185-186.DuoGuo-yong.RemovalofCODingasfieldwaterbysodiumhypochloriteoxidation[J].ChemicalEngineeringofOilandGas,2003323:185-186.inChinese[4].[J].200422410-12.ZhangKe-fengXingLi-zhenZhangYan-haoetal.Ap－plicationofmembranechemicaltechnologyinadvancedtreatmentofpapermillwastewater[J].EnvironmentEngineer－ing,200422410-12.inChinese[5].[M].4.:200290-284.StateEnvironmentalProtectionAdministration.WaterandWastewaterMonitoringAnalysisMethod[M].4thed.Beijing:ChinaEnvironmentalSciencePress,200290-284.inChi－nese[6].[J].2004331:29-30.XiaoXian-yingChenZhong-hao.Decolorizationofpa－permakingmiddle-stagewastewater[J].SouthWestPulpandPaper,2004331:29-30.inChinese[7]DrCharles.AppliedWaterTechnology[M].2004:202-204.[8].[D].,2008.LiuShu.ResearchonPretreatingLandfillLeachatewithOxidant[D].Chengdu:SouthwestJiaotongUniversity,2008.inChinese[9].[J].200114232-33.ChengJian-zhongHeYong-liangZhaoMing.Treatingstenchwastewatercontainingdodecylmercaptanwithcat－alyzedoxidationofNaClO[J].UrbanEnvironmentandUr－banEcology,200114232-33.inChinese[20].TM[J].2006225708-713.TianPingTianGuang-mingWangFei-eretal.UrbanheatislandeffectandvegetationcoverindexrelationusinglandsatTMimage[J].BulletinofScienceandTechnology2006225708-713.inChinese[21].[J].2002(4)55-59.ChenYun-haoWangJieLiXiao-bing.Astudyonur－banthermalfieldinsummerbasedonsatelliteremotesens－ing[J].RemoteSensingforLand&Resource2002(4)55-59.inChinese[22].RSGIS[J].2001562189-197.ZhouHong-meiZhouCheng-huGeWei-qiangetal.ThesurveyingonthermaldistributioninurbanbasedonGISandremotesensing[J].ActaGeographicaSinica2001562189-197.inChinese[23].———[J].、2007171208-211.DuanFei-zhouLiuXue-huaHeXiang-boetal.Studyonstatusofsocial-economyandecologicalconservationandsustainabledevelopmentstrategyinMabianYiAu－tonomousCountyLiangshanMountainsSichuan[J].Pop－ulationResourceandEnvironmentinChina,2007171208-211.inChinese[24]CarlsonTNGilliesRRPerryEM.AmethodtomakeuseofthermalinfraredtemperatureandNDVImeasurementstoinfersurfacesoilwatercontentandfractionalvegetationcover[J].RemoteSensingReviews19949161-173.[25]GilliesRRCarlsonTN.Thermalremotesensingofsurfacesoilwatercontentwithpartialvegetationcoverforincorpo－rationintoclimatemodels[J].JournalofAppliedMeteorology1995