处理我国高浓度工业废水的工艺技术研究孙珮石

2003656EngineeringScienceJun.2003Vol.5No.6研究报告[]　2002-11-18;　2003-01-22[]　(99-257);“”(97-023);(98-016)[]　(1957-),,,,孙石1,钱　彪2,洪品杰3,原田吉明4,杨　英2,郝玉昆2(1.昆明理工大学,昆明　650093;2.昆明环境工程技术研究中心,昆明　650032;3.云南大学,昆明　650091;4.日本大阪煤气公司,大阪554)[]　CWO200L/d,、、,CWO。、、20m3/d,。、,CODCr,NH3-N99%,,。[]　(CWO);;[]X505　　[]A　　[]1009-1742(2003)06-0068-061　前言,、。、、,。,[1～4]。,(WAO)、(CWO)、(SCWO)。WAOSCWO(250～400℃,18～25MPa)H2O,CO2,NO-3,CWO(170～300℃,1.0～10MPa),,、、,。CWO,,、、[4～7]。1997,CWO200L/dCWO,、,、、20m3/dCWO,,。1999。CWO,,,,。2　CWO高浓度工业废水处理技术概要　　(catalyticwetoxidationprocess,CWO)[5～7]。(170～300℃)(1.0～10MPa),,(),COD,TOC、、(0.1～2.0h),CO2,N2,、,。,。,。CWO1。1　CWOFig.1　SchematicflowchartofCWOprocessCWO,,CWO,(、)。CWO21。CWO,,,。,。3　CWO技术处理我国高浓度工业废水的适应性研究　　CWO,199712200L/dCWO,、、、、、、、、、,(1),CWO,。、,CODCr、NH3-N99%,,、。200L/dCWO,,。CWO,,。,,CWO。4　国产化CWO技术工业装置及其工程应用研究　　CWO,2001320m3/dCWO、、,,CWO。20m3/dCWO、、、、、、、。。,696:　,,2。2:,CODCr、NH3-N99%,、,。1　CWO(200L/d)Table1　TestresultsoftreatingsomekindsofindustrialwastewaterwithhighconcentrationbytheCWO-200L/dtestplantinChinapHCODCr/mg·L-1NH3-N/mg·L-11250℃5.0MPa9.51066412685.465ND2250℃7.0MPa12.2500483867.5390.53270℃7.0MPa9.93128021115.614ND4270℃7.0MPa5.15032010647.8650.85250℃7.0MPa3.2435203974.9480.36250℃7.0MPa5.63944036747.1680.67270℃9.0MPa7.0206801.67.6100.8ND8270℃9.0MPa12.6175174.91.288ND9270℃9.0MPa14.0396005.68.9239ND10270℃9.0MPa12.32266928.0463ND11250℃7.0MPa13.220128651.317278.312250℃7.0MPa11.74488392.74622.713250℃7.0MPa9.41073737583.54.8ND14270℃9.0MPa8.11337717306.897.6ND15270℃9.0MPa7.11087810712.0801.7　　:ND　　100d:20m3/d,。CODCrNH3-N705,,CODCrNH3-N(CODCr100mg/L,NH3-N15mg/L),(23)。2　20m3/dCWOTable2　RunningtestresultsofCWO-20m3/dindustrialplantfortreatingtheblackliquorofthepapermakingplantandthewasteliquorofcokesmakingplant/hpHCODCr/mg·L-1NH3-N/mg·L-10250℃7MPa11.217563104.5247.057.20.1η99.7%99.9%486.755.50.1η99.7%99.9%727.077.50.1η99.6%99.9%0270℃9MPa9.7313422.4102.2247.4651.30NDη99.6%100%487.3397.83NDη99.3%100%727.2840.57NDη99.7%100%　　(:ND。)2　20m3/dCWOCODCrFig.2　ThemeasuredconcentrationofCODCrinthewasteliquorofcokesmakingplantduringthecontinuousrunningofCWO-20m3/dindustrialplant　　。,,CWO,10%～30%,5%～10%。CWO,CWO。716:　3　20m3/dCWONH3-NFig.3　ThemeasuredconcentrationofNH3-NinthewasteliquorofcokesmakingplantduringthecontinuousrunningofCWO-20m3/dindustrialplant5　国产化CWO专用催化剂研究CWOCWO。,20m3/dCWO30%CWO,,CWO、。　　2000CWO,CWO、,CWO200L/dCWO3000h(4),CWO,CODCrNH3-N,、、、,(,CWO)。CWO,,5m3/aCWO。,CWOCWO30%。CWO。6　结论CWO,,,。4　CWO3000hFig.4　TherunningresultsoflastingtestofhomebredCWOcatalyst(:250℃,7MPa。:、、。)725　　,CWO,,。,、、。参考文献[1].[J].,1995,3(2):35～41[2],.[J].,1999,18(5):220～222[3].:I.、[J].,1997,23(2):83～87[4]　,　.[J].,2001,19(1):13～15[5].[J].,1996,(4):53～57[6],.[J].,1999,21(1):4～6[7],.[J].,1999,20(2):42～44ResearchonTreatmentTechnologyfortheIndustrialWastewatersWithHighConcentrationinChinaSunPeishi1,QianBiao2,HongPinjie3,HaradaYoshiaki4,YangYing2,HaoYukun2(1.KunmingUniversityofScienceandTechnology,Kunming　650093,China;2.EnvironmentalEngineeringTechnologyResearchCenterofKunmingCity,Kunming　650032,China;3.YunnanUniversity,Kunming　650091,Chian;4.OsakaGasCo.Ltd,Osaka554,Japan)[Abstract]　ByusingtheintroducedCWOtechnologyandits200L/dplant,morethan10kindsofindustrialwastewaterswithhighconcentrationinChina,suchasthewasteliquorofcoking,theblackliquorofpapermaking,thewastemotherliquorofbio-pharmacyandsoon,weretreatedinthisresearch.TheresultsshowedthattheCWOtechnologyanditsequipmenthadagoodapplicabilityfortreatingtheindustrialwastewaterswithhighconcentrationinChina.OnesetofCWO-20m3/dindustrialplant,asademonstrationengineeringinstallationofCWOtechnology,wasindependentlydesigned,madeandoperatedinKunmingcity.Duringtherunningtest,theCWO-20m3/dplantdisplayedafavorabletreatmentcapabilityforthebio-degradedlydifficultindustrialwastewaterswithhighconcentration.Forthetreatmentofthewasteliquorfromcokingandtheblackliquorofpapermaking,morethan99%ofCODCrandNH3-Ninthewastewatercouldberemoved.TheCWO-20m3/dplantcouldberuncontinuouslyandstably.ThetreatedwastewatercouldmeetthedischargestandardandthetreatmentprocesswithCWOtechnologyshowedupagoodeconomicadvantage.[Keywords]　catalyticwetoxidationprocess(CWO);industrialwastewaterswithhighconcentration;technologyprocess736: