再生水灌溉綠地水質(zhì)指標(biāo)限值的試驗(yàn)研究.pdf

1、天津大學(xué)碩士學(xué)位論文再生水灌溉綠地水質(zhì)指標(biāo)限值的試驗(yàn)研究姓名：張楠申請學(xué)位級(jí)別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：季民20050101ABSTRACTThisresearchisapartofChinanational863projectWaterQualityandSafetyEvaluationofUrbanReclaimedWastewaterforGreenLandIrrigationGreenlandirrigationisamai

2、naspectofreclaimedwaterEffectsofreclaimedwaterforgreenlandirrigationongrowthofturfgrassesandpublichealthbecomemoreimportantFouressentiallimitsofreclaimedwater：totaJdissolvedsolids(TDS)chlorideSresidualchlorineandsuspende

3、dsolids(SS)wereacquiredbyhydroponicsandpint—sizepottedexperimentsofseedlingFestucaarundinacea(TF)andPoapratens婦(KBG)FieldexperimentresultsandcapabilitiesoftwokindsofturfgrassesunderreclaimedwaterstresseswereanalyzedConsi

4、deringsafetyofreclaimedwastewaterprimarypubliehealthriskassessmentwasalSOanalyzednleseofferedreferencestotheestablishmentofwaterqualityguidelineofreclaimedwaterforgreenlandirrigationinChinaNegativecorrelationswereobserve

5、dbetweenphysiological，biochemicalindexofKBGandtheconcentrationsofessentialvaluesofreclaimedwaterTheadaptivecapabilitytosgessesofTFincreasedmarkedlytoacertainextentnleactivityofcatalaseofTFreachedpeakundermediumconcentrat

6、ionWaterqualityofreclaimedwastewaterforTFirrigationshouldbemettothefollowinglimits：TDS1900mg／Lchlorides800m∥L，residualchlorine10mg／L，SS30rag／L；forKBG：TDS1500mdL，chlorides500mgel，residualchlorineO75mg／L，SS30mg／LInfieldexp

7、eriments，irrigationwithreclaimedwastewaterboostedthegrowthofTFHoweverTDSofreclaimedwateraffectedKBGdistinctlyaftersixmonthirrigationUnderstresses，TFhadnotableadvantageoverKBQTheamountsofsoilbacteriaandfungiincreasedsigni

8、ficantlycomparedwiththatoforiginalsoilwhichshowedthatreclaimedwastewaterforgreenlandirrigationpromotedthegrowthofsoilmicroorganismsAccordingtothehealthriskanalysis，thetotallifetimecarcinogenicriskofbodypoisonMnandNH3ofre