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地下水污染防治報(bào)告(砷處理)-預(yù)覽頁(yè)

 

【正文】 、微生物類以及生物源性類三種。其主要機(jī)理包括:微生物積累、微生物作為電子的傳遞體或受體氧化三價(jià)砷、利用微生物分泌的相關(guān)生物酶甲基化砷等。keimowitz等人[49]評(píng)價(jià)了環(huán)境因素對(duì)于硫酸鹽還原菌除砷效果的影響。研究結(jié)果表明,這一處理方法對(duì)于亞砷酸鹽濃度低于100mg/l的砷污染水體處理效果顯著。研究發(fā)現(xiàn),在鐵和錳的氧化細(xì)菌的參與下,鐵和錳的氧化物對(duì)砷的吸附效率和速率都有一定的提高[56]。鐵氧化菌會(huì)把三價(jià)砷氧化成五價(jià)砷,形成的砷酸鹽溶液中的砷會(huì)被微生物進(jìn)一步吸附成為生物氧化鐵。lag,etalcharacteristicsofarsenicadsorptiontosorghumbiomass[j]hazardmater,2007,145(1-2):30-35[41]shabanw,rmallia,harringtoncf,etalabiomaterialbasedapproachforarsenicremovalfromwater[j]environmonit,2005,7:279-282[42]misbahuddinm,fariduddinawaterhyacinthremovesarsenicfromarseniccontaminateddrinkingwater[j]archenvironhealth,2002,57(6):516-518[43]basua,kumars,mukherjeesarsenicreductionfromaqueousenvironmentbywaterlettuce(pistiastratiotesl)[j]environhealth,2003,45(2):143-150[44]srivastavam,malq,santosjag,threenewarsenichyperaccumulatingferns 14 [56]battagliabf,itardy,garrudofasimplebiogeochemicalprocessremovingarsenicfromaminedrainagewater[j]geomicrobiol,2006,23:201-211[57],(iii)intermediatesinthebacterialoxidationofmn(ii)[j].pnas,april12,2005,(15):55585563[58]damodarpokhrel,[j].journalofenvironmentalmanagement,90(2009):1956–1961[59]danladimahutasahabi,minorutakeda,ichirosuzuki,:equilibriumandkinetics[j].journalofhazardousmaterials,(2009)hazmat9683:19[60][j].化學(xué)工程與裝備2009,10[61]:theroleofmicroorganismsinarsenic[c]contaminationofgroundwater:2007[62],(Ⅲ)oxidationandsubsequentas(Ⅴ)removalbysorptionontobiogenicmanganeseoxidesduringgroundwatertreatment:kinetica,catalysis,andreactionengineering:2004,43,486493[63]楊宏,尹瑞,[j].中國(guó)給水排水2006,22(7):8588[64]sagybiosorptionofheavymetalsbyfungalbiomassandmodelingoffungalbiosorption:areview[j]seppurifmethods,200130(1):1-48[65]murugesangs,sathishkumarm,[j]bioresourtechnol,2006,97(3):483-487[66]ridvans,nalany,adildbiosorptionofcadmium,lead,mercury,andarsenicionsbythefunguspenicilliumpurpurogenum[j]sepscitechnol,2003,38(9):2039-2053[67]mcafeebj,gouldwd,nedeaujc,etalbiosorptionofmetalionsusing 16 -1041 energysources24:1031 第19頁(yè) 共19頁(yè)
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