CWO技术处理高浓度焦化废水的工业应用研究孙佩石

:2003-04-20:(1957-),,,,,、。:(1999-257);“·”(1997-023);(1998-016)。CWO孙石1,郝玉昆2,陈　嵩2,李富华2,杨　英2,钱　彪2,原田吉明3(1.,650093;2.,650032;3.,554)　　　:200L/dCWO,CWO(CODCr,10000～13000mg/L、NH3-N1200～2100mg/L),(30～45min),CODCr、NH3-N99%,CODCr、NH3-N(CODCr100mg/L、NH3-N15mg/L),、。,CWO。20m3/dCWO,CWO,。::CWO;:X703.1　　　　:B　　　　:1001-2141(2003)11-0053-031　　,、、、(PAH),PAH,。,,(CODCr7000～13000mg/L、NH3-N800～3000mg/L),,。,[1-3]。CWO(CatalyticWetOxidationProcess——CWO),[4-6]。CWO,,CWO,(、)。CWO21。1997,、CWO200L/d,(20m3/d),。CWO,CWO。2　CWOCWO(170～300℃)(1.0～10MPa),,(),COD、TOC、、(0.1～2.0h),CO2、N2,、,[4]。,。,。CWO1。1　CWO　　CWO(),。,,、。CWO,,,25　11　　　　　　　　　200311。,。3　CWOCWO,,。200L/dCWO,,。,,。CWO,,。,,CWO。200L/dCWO,,23。2,CODCr、NH3-N。(CODCr10664～11753mg/L,NH3-N1262～2165mg/L。pH=9.4～10.4,pH=5.4～6.5)2　(:CODCr10664、NH3-N2165mg/L。:CODCr5130、NH3-N1414mg/L。:CODCr2304、NH3-N692mg/L。pH=9.4～10.4,pH=3.9～5.4)3　　　2,CWOCODCr、NH3-N,250℃、5MPa,CWO30～45min,CODCr、NH3-N11700mg/L、2100mg/L78mg/L0.1mg/L,99%,CODCrNH3-N(CODCr100mg/L、NH3-N15mg/L)。,,。CWOCODCrNH3-N,。,,CWONH3-N,CODCr,。2-A,,CODCr。230℃、5MPa,CODCr100mg/L。,CWO,230℃、5MPa。54　　　　　　　　232CODCr、NH3-NCWO。()15min,CODCr、NH3-N,CWO()30～45min,CODCr、NH3-N。,CWO。,(),。3。3CODCr、NH3-N,250℃、7MPa,CWO15～30min,CODCrNH3-N。CWO。4　CWO2001320m3/dCWO、、,,CWO。20m3/dCWO、、、、、、、()、(1)。。,,,(1):,CODCr、NH3-N99%,、,。1　20m3/dCWOpHCODCr(mg/L)NH3-N(mg/L)0hr270℃9.7313422.4102.224hr9MPa7.4651.30NDη(%)99.6%100%48hr7.3397.83NDη(%)99.3%100%72hr7.2840.57NDη(%)99.7%100%(:ND。CWO65min。)　　20m3/dCWO100d,:20m3/d,。CODCrNH3-N,,CODCrNH3-N,(45)。　　20m3/dCWO。144m3/d、CODCrNH3-N20000mg/L100mg/L4　CWOCODCr(CODCr2900kgCODCr/d),CODCrNH3-N100mg/L15mg/L,,CWO1.0kgCODCr()0.51、5.65,(),0.41、6.04。,CWO24%,6.5%。,CWO,,20～30%。,,CWO(CWO[3])。CWO(NH3-N),,(下转第79页)5511　:CWO5　　　、:80,000,10,000,1,500/、×10=15,000/,1500m3,:　　(80,000+10,000+15,000)÷30÷1,500m3/d　=2.33/m36　　6.1　,AADR—A/O,CODCr≤150mg/L,BOD5≤60mg/L,SS≤100mg/L,NH4-N≤25mg/L,,,,。6.2　,pH10～11,,。6.3　,NH4-N,GB8978-1996,。7　1　..:,2002,436～457.2　..:,1999,102～140.3　..:,2000,121～129.4　,.:,1998,291～318.5　FaisalHossainetal.ActivatedSludgeFoamControl.AsiaWatEn-viro,1998,1(3):17.6　.—(2).:,1999,83～90.(55)5　CWONH3-NCWO。5　　,CWO。CODCr10000～13000mg/L、NH3-N1200～2100mg/L,(30～45min),CODCrNH3-N99%,CODCr,NH3-N,,。,CWO。20m3/dCWO,CWO,。,。6　1　,..,1999,20(2):42～44.2　..,1991,11(3):235～238.3　..,1996,(4):53～57.4　,..,1999,21(1):4～6.5　,..,2001,19(1):13～15.6　,..,1999,18(5):220～222.7912　:AADR-A/O(Ⅵ)macerationextractmettheNationalStandard.Inconclu-sion,thelong-termstabilityofsolidifiedchromiumslagprovedgoodandinearthissafeandcredible.Keywords:chromiumslag;long-termstability;toxityofmacerationextractStudyonDefenseandVarietyofItsAnti-oxidizeProtectingEnzymetoCadmiumStressinTwoSpeciesofPlantRootSystemHeCuiping1,WangHuizhong2(1.CollegeofAgricultuGuizhouUniversity,Guiyang550025;2.DepartmentofEnvironmentScience,CollegeofBiological&EnvironmentScience,GuizhouUniversity,Guiyang550025)Abstract:Physiologicalandbiochemicaleffectsofcadmiumstressontwospeciesoflawnsplantrootsystemweretested.Theresultsshowedwhencadmiumconcentrationinthenutri-entsolutionwasabove1.5×10-3mol·dm-3,theenzymeac-tivityofSOD,CAT,PODwasinhibited.Andtheplantsrootquantitiesdecreased.TheCadmiumwasmorepernicioustotheenzymeactirityofSODthanthatofPOD,andwasthernostpernicionstothatofCAT.Thefastnessofcreepingbentrootwasgreaterthanthatofperennialryegrasstocadmiumtoxici-ty.Keywords:cadmium;theplantrootsystem;anti-oxidizeprotectingenzyme;perennialryegrass;creepingbentIndustrialApplicationResearchontheCWOTechnologyforTreatingtheHighConcentratedWastewaterofCokesMakingSunPeishi1,HaoYukun2,ChenShong2,LiFuhua2,YangYing2,QianBiao2,HaradaYoshiaki3(1.KunmingUniversityofScienceandTechnology,Kunming650093;2.EnvironmentalEngineeringTechnologyResearchCenterofKunmingCity,Kunming650032,3.OsakaGasCo.Ltd,Osaka554)Abstract:Byusingthe200L/dCWOtester,thehighcon-centratedwastewaterofcokesmakingwastreatedinthistestresearch.IntheresearchtheCWOtechnologydisplayeditsgoodtechniqueapplicabilityfortreatingthewastewater(COD-cr10000～13000mg/L,NH3-N1200～2100mg/L).AfterthetreatmentbyusingtheCWOtestplant(catalyticreactiontime30～45min),morethan99%ofCODcrandNH3-Ncouldberemovedfromthewastewater.Thetreatedwastewatercouldmeettheemissionstandard(CODcr100mg/L,NH3-N15mg/L).Andthewastewatercouldbedecoloredanddeodor-izedeffectivelyintheCWOtreatmentprocess.TheCWOtech-nologyhasagoodadaptabilityfortreatingthewastewaterofcokesmakingwithdifferentconcentrations.The20m3/dCWOindustrialinstallationwasruncontinuouslyandstablyfortreatingthewastewaterofcokesmakingwithlowercostinthisresearch.TheresearchresultindicatedthattheapplicationresearchofCWOtechnologhhadreachedatthelevelofindus-trializationuseinChina.Keywords:highconcentratedwastewaterofcokesmak-ing;catalyticwetoxidationprocess(CWO);industrialapplica-tiontestreserachPhotocatalyticOxidationOfLandfillLeachateonTitaniumDioxideMembraneLoadedOnFiberglassClothGongXiaofeng,JianMinfei,LiuChunying,ZhangZhenhui(EnvironmentalandChemicalEngineeringSchool,NanchangUniversity,Nanchang330029,China)Abstracts:Using10-wlow-voltagemercurylampand400-whigh-volta