臭氧催化氧化工艺深度处理印染废水陆洪宇

78Vol．7No．820138ChineseJournalofEnvironmentalEngineeringAug．201312122*1．1500012．150090NiO/γ-Al2O3。3%、4h、450℃、3h。15minCOD84．22mg/L50．00mg/L10．88mg/L5．01mg/L69%。X703A1673-9108201308-2873-04AdvancedtreatmentofdyeingwastewaterusingcatalyticozonationprocessLuHongyu1MaWencheng2ZhangLiang12ChenZhiqiang21．CollegeofAerospaceandCivilEngineeringHarbinEngineeringUniversityHarbin150001China2．StateKeyLaboratoryofUrbanWaterResourceandEnvironmentHarbinInstituteofTechnologyHarbin150090ChinaAbstractThepreparationmethodofNiO/γ-Al2O3ascatalystwasoptimizedthroughorthogonaltestandtheadvancedtreatmentefficiencyofdyeingwastewaterthroughcatalyticozonationprocesswasalsodiscussed．Resultsshowedthattheoptimalcatalystpreparationconditionsareimpregnatingsolutionconcentrationof3%immersiontimeof4hburningtemperatureof450℃andburningtimeof3h．Whenkeptozoneoxidationof15minCODconcentrationdecreasedfrom84．22mg/Lto50．00mg/LtheNH3-Nconcentrationdecreasedfrom10．88mg/Lto5．01mg/Landthechromaticityremovalratereachedto69%whichshowedhigherreactionef-ficiencythanthatofsingleozoneoxidationprocess．Keywordscatalyticozonationadvancedtreatmentdyeingwastewater2012ZX07201003NCET-12-01562012－06－122012－10－251975～。[e-mail]*[e-mail]。。25t80%1。、、、、、、2-6。PVA、、7。COD、8-13。14151617。。-7NiO/γ-Al2O3。11．1=1∶1。、、25mg/L。COD539．6mg/L60～70mg/L550pH6．5～7．5。-。COD80～85mg/L10～12mg/L250pH6．9～7．2。1．21。1Fig．1Schematicdiagramofexperimentaldevices。、。1．31．3．1催化剂制备正交实验设计NiO/γ-Al2O331。30L/h1Table1Factorsandlevels%h℃h143503384504712550525min。200mL。L9342。2Table2Designoforthogonaltest%h℃h1143503218450431125505434450553855036312350477455048783505971245031．3．2臭氧催化氧化处理效能分析4g200mL150r/min。30L/h1．25mg/L。0、5、10、15、2025min。1．418。22．13。3NiO/γ-Al2O33%4h450℃3h。3%NiAl2O34hAl2O385℃450℃3h。2Al2O3NiO/γ-Al2O3SEM。47828Al2O3Al2O3。NiO/γ-Al2O3NiONiOAl2O3。3Table3Intuitiveanalysistable%h℃h%114350368．06218450472．203112550570．98434450576．11538550373．156312350470．86774550468．75878350571．789712450376．66170．41370．97370．23372．623273．37372．37774．99070．603372．39772．83370．96072．9572．9601．8604．7572．3542Al2O3NiO/γ-Al2O3SEMFig．2SEMphotographsofγ-Al2O3andNiO/γ-Al2O3catalyst2．2NiO/γ-Al2O33～5。3。NiO/γ-Al2O3。10min215min10．88mg/L5．01mg/L20min。25min55%10．88mg/L4．95mg/L。。410minCOD55%18%15minCOD84．22mg/L50．00mg/L20minCODCOD。5NiO/γ-Al2O315min69%20min72%48%。578273NiO/γ-Al2O33%4h450℃3h。15min、COD《》。1．2010．http//zls．mep．gov．cn/hjtj/nb/2010tjnb/201201/t20120118_222727．htm2．．20092763-5WangX．J．GuX．Y．JianL．Pilotplantstudyonad-vancedtreatmentoftextilewastewater．EnvironmentalEngi-neering20092763-5inChinese3．X-3B．2011313214-217XuK．PengH．Q．DongB．Y．TreatmentofreactiveRedX-3Bdyewastewaterbyhighvoltagepulsedischargeplasma．EnvironmentalProtectionofChemicalIndustry2011313214-217inChinese4．-GS．201033196-198YanJ．X．LeiQ．D．WangY．TreatmentofsimulateddyewastewatercontainingdispersescarletGSbyscrapironfluedustinternalelectrolysisprocess．EnvironmentalProtectionofChemicalIndustry201033196-198inChinese5．Fe2O3/．2010303214-218ZhangJ．ZhangH．L．MaY．etal．TreatmentofdyewastewaterbymicrowaveinducedoxidationprocesswithFe2O3/bentonitecatalyst．EnvironmentalProtectionofChemicalIndustry2010303214-218inChinese6．-．2010304287-291YangJ．LuS．DingY．H．Treatmentofsimulatedsye-ingwastewaterbymodifiedredmudflocculation-ozoneoxi-dationprocess．EnvironmentalProtectionofChemicalIn-dustry2010304287-291inChinese7．．201030337-40XuQ．K．WangX．J．Researchonadvancedtreatmentofprintinganddyeingwastewater．IndustrialWaterTreat-ment201030337-40inChinese8．．2003376734-738ShiH．X．ZhaoW．R．WangD．H．Ozonationmecha-nismofazodye．JournalofZhejiangUniversityEngineer-ingScience2003376734-738inChinese9ChenT．Y．KaoC．M．HongA．etal．Applicationofozoneonthedecolorizationofreactivedyes-Orange-13andBlue-19．Desalination200924931238-124210WuJ．N．DoanH．UpretiS．Decolorizationofaqueoustextilereactivedyebyozone．ChemicalEngineeringJour-nal20081422156-16011ThrhanK．DurukanI．OzturkcanS．A．etal．Decol-orizationoftextilebasicdyeinaqueoussolutionbyozone．DyesandPigments2012923897-90112BaghaA．R．T．MahmoodiN．M．MengerF．M．Degrada-tionofapersistentorganicdyefromcoloredtextilewastewaterbyozonation．Desalination20102601-334-3813KhadhraouiM．TrabelsiH．KsibiM．etal．Discolora-tionanddetoxicificationofacongoreddyesolutionbymeansofozonetreatmentforapossiblewaterreuse．Jour-nalofHazardousMaterials20091612-3974-98114CiardelliG．CapannelliG．BottinoA．Ozonetreatmentoftextilewastewatersforreuse．Wat．Sci．Technol．200144561-6715Bes-PiaA．Mendoza-RocaJ．A．Roig-AlcoverL．etal．Comparisonbetweennanofiltrationandozonationofbi-ologicallytreatedtextilewastewaterforitsreuseinthein-dustry．Desalination20031571-381-8616．．201232130-34LiH．ZhouL．LiT．etal．Advancedtreatmentofbio-treateddyeingwastewaterbyozoneoxidationprocess．En-vironmentalProtectionofChemicalIndustry201232130-34inChinese17．．2009296530-533WangH．Y．GuanY．T．MizunoT．D．etal．Advancedtreatmentofeffluentfromdyeingwastewatersecondarytreat-mentbyozonationprocess．EnvironmentalProtectionofChemicalIndustry2009296530-533inChinese18．4．20026782