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1、Thetreatmentofbrewerywastewaterforreuse:StateoftheartGeoffreyS.Simatea,⁎,JohnCluetta,SunnyE.Iyukea,EvansT.Musapatikaa,SehliseloNdlovua,LubindaF.Walubitab,AllexE.AlvarezcaSchoolofChemicalandMetallurgicalEngineering,UniversityoftheWitwatersrand,Johannesburg,P/Bag3,Wits205
2、0,SouthAfricabTTI-TexasA&MUniversitySystem,CollegeStation,TX,USAcDepartmentofCivilEngineering,UniversityofMagdalena,SantaMarta,Magdalena,ColombiaabstractarticleinfoArticlehistory:Received25October2010Receivedinrevisedform11February2011Accepted12February2011Keywords:Brew
3、erywastewaterBiologicaloxygendemandChemicaloxygendemandPretreatmentTreatmentReuseThebeerbrewingprocessoftengenerateslargeamountsofwastewatereffluentandsolidwastesthatmustbedisposedoffortreatedintheleastcostlyandsafestwaysoastomeetthestrictdischargeregulationsthataresetby
4、governmententitiestoprotectlife(bothhumanandanimal)andtheenvironment.Itiswidelyestimatedthatforeveryoneliterofbeerthatisbrewed,closetotenlitersofwaterisused;mostlyforthebrewing,rinsing,andcoolingprocesses.Thereafter,thiswatermustbedisposedofforsafelytreatedforreuse,whic
5、hisoftencostlyandproblematicformostbreweries.Asaresult,manybrewersaretodaysearchingfor:(1)waystocutdownonthiswaterusageduringthebeerbrewingprocess,and/or(2)meanstocost-effectivelyandsafelytreatthebrewerywastewaterforreuse.Basedontheavailabledocumentedliterature,thispape
6、rprovidesareviewassessmentofthecurrentstatusofthebrewerywastewatertreatmentprocessesincludingpotentialapplicationsforreuse.Keychallengesforbothbrewerywastewatertreatmentandreusearealsodiscussedinthepaperandincluderecommendationsforfuturedevelopments.©2011ElsevierB.V.All
7、rightsreserved.Contents1.Introduction..............................................................2362.Legislationandenvironmentalmanagementsystems...........................................2363.Conventionalmethodsofpretreatingbrewerywastewater.........................
8、...............2363.1.Physicalmethods........................................................2373.2.Chemicalme
