HACHCODmax在线监测仪及其在环境监测中的应用

HACHCODmax12(1.657800)(2.310013)HACHCODmax,,,(COD)1989CODGB11914289--1,2,COD,23h,,COD,,,,3HACHCODmax,GB11914289,,,1111105000mg/L:0500mg/L;1001500mg/L;10005000mg/L,,,112,,,,,,,113(,)175C,,,Cr6+Cr3+,,540nm,COD,,146C,HACHCODmax,175C,,,,(NH2CH2COOH)(COD5000mg/L),175C3min,COD95%,20min(1)12h,114,20min,95%,100%(2)75中国城镇水网(3034mg/L)(COD5010mg/L),,3d,(3)3()GB11914,,2000mg/LCOD,COD(Cl-2000mg/L,COD100mg/L)116(1)1COD/(mg/L)4100050003%10%FS019996100100010%10%FS0199991006mg/L10%FS019999117,9(2)2COD/(mg/L)42000115%10%600110%10%405mg/L10%2211,14h,,,10%(4),421260m3/h,+,UASB,UASB,,(UASB),,UASB,,(UASB)COD,,CODmax,COD,CODmax,COD,,,,,,CODmax85()中国城镇水网:,198921,:,199031(),:,20024HBC622001(CODCr),,2001HACHCODmaxonlineautomaticmonitoranditsapplicationinenvironmentalmonitoringWenShuqin1HuangLin2(11TheYuntianhuaStockCo1Ltd11Shuifu657800)(21HangzhouDingliEnvironmentProtectionS&TCo1,Ltd1HangZhou310013)AbstractHACHCODmaxonlineautomaticmonitoradoptsthelastesttechnologytomeasureCODonlinecontinuouslyandgethighlyaccurateresults,whichaccordwitheachnationaltechnologyindex1Itplaysanimportantroleinonlinemonitoringandtheprocesscontrolofsewagetreatmentplants1KeywordsChemicaloxygendemandOn2lineautomaticmonitorSewagetreatment(48),,,6,,,,,1.D,,19942..,M...J,..1990.No520213..J,.2003,26(5):100510074...J,,2000,12(6)5976005.D,,19976MG22500Z,,19897..DZ2Z.,1985Studyonnew2typemeasurementoflargediametrewithrollermethodShiQingweiZhangGuoxiongLiZhen(StatekeylaboratoryofprecisionmeasurementtechnologyandinstrumentTianjinUniversityTianjin300072)AbstractThepaperundertakesthetheoreticalanalysisandtheexperimentalresearchonmeasuringprincipleandaccu2racyoftheapparatususedtomeasurelargediameterwithrollermethod.Andaccordinglythenew2typemeasurementisputforwardinthepaper,whichistoincreasetheradialmicrometersontheprimarymeasuring2piecesurface.Inthisway,thenew2typemeasurement,differentfromthetraditionalrollermethod,cancarryoutmeasuringthefigureerrorsandcande2terminethediametet,theperimeterandthefigureerroreatonetimeBesides,thepaperalsobringsforwardthedetaileddataprocessingmethod.Thus,thefunctionsofmeasurementwithrollermethodarestrengthened,andtherange.KeywordsLargediameterMeasurementwithrollermethodAccuracy95中国城镇水网