臭氧生物活性炭工艺预处理海水试验研究郭兴芳

[1]。。、[2]。O3-BACBAC、。11.14241a。O3BAC。1。40mm8m·h-1O3100mm2600mmO3O330～60minO33～6mg·L-1BAC28mm2JQ1.5GAC1900mmHRT1～2h1.2～2.4L·h-12BAC。1.2TOC、DOCUV254CODMn、GB17378.4－1998[3]。22.1BACBAC2BACHRT30minTOC2。2TOCBAC3。1300074O3-BAC。O3-BACBAC。3～6mg·L-1、30～60min、10.5～29.0℃、BACHRT1hO3-BACTOC、DOC、CODMn、UV25438%、34%、55%、55%、95%。X55A1000-3770(2011)10-0079-0042011-02-241974－、、[e-mail]1O3-BACFig.1O3-BACpre-treatmentseatrialsprocess3710201110TECHNOLOGYOFWATERTREATMENTVol.37No.10Oct.,201179DOI:10.16796/j.cnki.1000-3770.2011.10.021BAC1TOC28%BAC2TOCBAC134%TOC60%2TOC25%9%3BACTOCTOC35%。BAC1BAC2TOC11%22%36%。BAC10.5～17.0℃40dTOC12g·kg-1。2.2O3-BAC2.3.1DOCTOC、DOC4.278～6.940mg·L-13.849～6.884mg·L-1。34O3-BACTOC、DOC10.5～29.0℃O33～6mg·L-130～60minBACHRT1～2h。34O3TOC、DOC4.155～6.8094.278～6.803mg·L-1TOC-4.3%～11.8%0～5%DOC-20.3%～7.8%-10%～3%O3DOC。BACHRT1hBACTOC、DOC25.5%～42.3%25.2%～43.3%31%30%36.6%34.2%O3-BACTOC、DOC29.2%～44.3%23.5%～42.0%38.7%33.8%。HRT2hBACTOC、DOC37.1%38.2%DOC4%。2.3.2CODMnCODMn2.04～3.95mg·L-1。O3-BACCODMn5。3O3-BACTOCFig.3TOCremovalofO3-BAC01020304050-1001020304050OBAC

/%t/dHRT=1hHRT=2h4O3-BACDOCFig.4DOCremovalofO3-BAC01020304050-20-1001020304050t/dOBAC

/%HRT=1hHRT=2h5O3-BACCODMnFig.5CODMnremovalofO3-BAC051015202530020406080100t/dOBAC

/%HRT=1hHRT=2h01020304050600246810t/dOBAC2BAC1
/(TOC)/mgL(a)(b)2BACTOCFig.2TOCcontentandremovalrateofstart-upofBAC0102030405060020406080100t/d
BAC2BAC1/%3710805O3CODMn1.50～2.88mg·L-1COD9.1%～50.0%20%。BACHRT1hBACCODMn25.1～59.6%38.6%O3-BACCODMn31.8～68.2%55.4%HRT2hBACCODMn25.4～58.7%40%41.5%O3-BACCODMn44.8～62.2%58.5%。2.3.3UV254UV2540.066～0.112cm-1。O3-BACUV2546。O3UV2540.044～0.081cm-1BAC0.027～0.054cm-1。6O3UV25420.0%～35.0%26.9%。BACHRT1hBACUV25430.0%～52.2%40.2%O3-BACUV25448.1～66.3%55.5%HRT2hBACUV25432.5%～50.6%43.7%O3-BACUV25446.0%～65.1%58.5%。2.3.47HRT1h3.46～22.8NTUO31.05～8.60NTUO340.3%～88.7%60%67.7%。BACHRT1h2hBAC0.9NTU0.3NTUO3-BAC83.0%～98.6%95%。HRT2h。O3-BAC。0.02～0.04mg·L-1O3BAC100%。2.3.5TOC、DOC、CODMn、UV254O3TOC、DOC、CODMn、UV2543.1%、-2.6%、28.3%、26.9%DOCTOC、CODMnUV254O3、TOC、CODMn、UV254DOC。O3DOC。BACTOC、DOC、CODMnUV254BAC。O3O3BAC。2.4BAC1a1226BAC2hBAC1。BACTOCUV254TOC1/4。。6O3-BACUV254Fig.6UV254removalofO3-BAC0510152025020406080100t/dOBAC

/%HRT=1hHRT=2h7O3-BACFig.7TurbidityremovalofO3-BAC0246810121416020406080100t/dOBAC
/%81RESEARCHONRELIABILITYOFULTRAFILTRATIONININTEGRATEDMBR-UF-ROSYSTEMFORMUNICIPALWASTEWATERREUSEINPOWERPLANTYuHaiqin,LiJin,WangYing,YangChengyong(DepartmentofMunicipalandEnvironmentalEngineering,SchoolofCivilEngineering,BeijingJiaotongUniversity,Beijing100044,China)Abstract:TheobjectiveofthisstudyistoinvestigatethereliabilityofUFafterMBRasapretreatmentprocessforRO,theexperimentalresultsshowedthatturbidityofpermeatewaterreachedbelow0.1NTU,SDIbelow3,andtheaverageretentionrateofCODwas39.64%.UFprovidedastableinfluentqualityforreverseosmosis.But,thedissolvedorganicmattersandcolloidalmattersthroughUFmembraneisoneofthemainreasonwhichcausethesystemrunningtrouble,Thebestmembranecleaningmethodsforthebio-foulingandOrganicfoulingUFwerecausticwashingandcaustic/chlorinewashing.Keywords:reclaimedwaterreuse;ultrafiltration;reliability;membranefouling;cleaning3。O3O3-BAC。O33～6mg·L-1、30～60min10.5～29.0℃TOCDOC、CODMn、UV2544.278～6.9403.849～6.884mg·L-1、2.04～3.95mg·L-1、0.066～0.112cm-1BACHRT1hBACTOC、DOC、CODMn、UV25436%、34%、38%、40%O3-BACTOC、DOC、CODMn、UV25438%、34%、55%、55%。BACHRT。。O3-BAC0.3NTU。。[1],.[M].:,2001.[2],.[J].,2005,36(4):7-9.[3]GB17378.4－19984[S].BAC/%ρ(TOC)/mg·L-1ρ(DOC)/mg·L-1UV254/cm-1ρ(TOC)/mg·L-1ρ(DOC)/mg·L-1UV254/cm-1TOCDOCUV25401-2601-2902-0702-094.6094.2444.9294.4074.6174.4040.0440.0450.0712.3322.1202.8372.5042.6762.4980.0270.0320.03749.450.042.443.242.043.038.628.947.91BACTab.1TheorganicmatterremovalofBACfiltercolumnbeforeandafterbackwashSTUDYONOZONEANDBIOLOGICALACTIVATEDCARBONPROCESSESPRETREATINGSEAWATERGuoXingfang,ChenLi,TaoRunxian,LiWei,KongXiangmei,ZhangYajun(NorthChinaMunicipalEngineeringDesign&ResearchInstitute,Tianjin300074,China)Abstract:O3-BACprocesswasusedtoremoveorganicsinseawater,studyshowed:O3-BACprocesscaneffectivelyremoveorganicsinseawater,andbackwashingforBACfilterwasnoeffectonorganicsremovalinBAC,andtherunningofthisprocessisstable.ForseriouslypollutedseawaterbyorganicsubstanceandusingO3-BACprocess,ontheconditionthatdoseofozonewas3～6mg·L-1,oxidationcontacttimewas30～60min,temperatureofseawaterwas10.5～29.0℃,emptybedcontacttimeofBACfilterwas1h,theaverageremovingrateofTOC,DOC,CODMn,UV254andturbiditywasabove38%,34%,55%,55%and95%respectively.Keywords:seawater;pretreatment;ozone;biologicalactivatedcarbon;removalfororganics;backwashing!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!78371082