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()20074,372,Apr.,2007,Vol.37,No.2JournalofNorthwestUniversity(NaturalScienceEdition):2005203201:(01JK109):(1982),,,,1,1,1,2,3(1.,710069;2.,710004;3.,710054):,,,2528m3/d,67%,2000m3/d,1658m3/d,52.2,201044,:;;;:X703:A:10002274(2007)0220322204,,,,,,,,,,11.1,,,,,,25%50%,,;,,,,;,,1.2-[1,2],SBR,,,,SBR,CAST,PASS,UNITANK,MSBR,,,,,,,(ATM),[3-6],,,,,,,22.1,2200,,,,,,,,,,,,,,2.2,,,,,,,;,,,,,,33.1,(1),1Fig.1Watersupplyanddrainagesystemincampus3.23.2.11),,BOD5100mg/L,COD150mg/L,,,[7],,,,,(),,2),,,,,,3.2.2,,,,,,11,25%23%,()18.7%,3232:,2528m3/d,67%2000m3/d,1658m3/d1Tab.1TonnageofnewcampusofcertainuniversityinShaanxi/L(d)-1//m3d-1140150005402502000903301800494501809520160003864670()150009457160()6000864810%-90950L/()20009010120L/d()300331150L/15006812700100633.2.3,BOD5100mg/L,COD150g/L,SS100mg/L,LAS()5mg/L,,,,22Fig.2Techniquesofwastewaterrecycle3.33.3.1,1600m3,2003.3.2,2520a,,0.9/m33.3.3,,52.2,201044,0.46,5,1/321/16,35[8]104.5203.9,2020894078,1658m3/d-,,50%,41),,,2),,25%,3),,,,,:[1],.[J].,2002,15(5):14216.[2],.CAST[J].,2004,27(4):71275.423()37[3],,,.MBR[J].,2005,21(1):91292.[4],,,.PASS[J].,2002,28(3):1402142.[5],,,.UNITANK[J].,2005,21(1):75278.[6],.MSBR[J].,2004,20(1):62265.[7].[J].:,2003,33():2362239.[8].[M].:,2003.()AstudyonhowtodealwithwastewaterrecycleininstifutionsofhigherlearningWANGBing1,WANGBo2duo1,LINJi2quan1,ZHANGMing2,FENGHua2wei3(1.DepartmentofEnvironmentalScience,NorthwestUniversity,Xian710069,China;2.ShaanxiEnvironmentalProtectionAgency,Xian710004,China;3.XianBranch,ChinaCoalResearchInstitute,Xian710054,China)Abstract:AimFeasibilityofwastewaterrecycleinuniversitywasdiscussed.MethodsTakeoneuniversityofShaanxiasanexample,analogicalanalysisandcost2benefitwaywereused.ResultsExceptsomewastewaterdiffi2culttobedealtwithsuchastoiletwastewaterandkitchenwastewater,wastewaterabletoberecycledis2528m3/d,composing67%oftotalwastewater.Andwaterabletobeusedaftercleansedin2000m3/d,whichcansatisfythebudgetamountof1658m3/doftheuniversity.Ifthewastewaterisrecycled,5.22105RMBperyearcanbesaved,andthetotalbenefitsof20yearswillreach1.044107.Thebesttechnologyofwastewaterrecycleisbiolog2icalcontactoxidation.ConclusionWastewaterrecycleinuniversityisnecessaryandfeasibleintechnology.Keywords:wastewaterrecycle;economicalbenefit;environmentalbenefit;university,,,,,10,,:;;,;(DO2)E(APOE)4;,,,,,,,()5232: