高效苯酚降解菌的分離選育及其固定化處理含酚廢水的研究.pdf

1、沈陽建筑大學(xué)碩士學(xué)位論文高效苯酚降解菌的分離選育及其固定化處理含酚廢水的研究姓名：宋顏彬申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：魏煒201101碩士研究生學(xué)位論文AbstractIIIAbstractInrecentyears，withtheincreasinglevelofindustrializationinChina，phenolwastewateronpeoplesdailylivesseriouslyaffected.The

2、refe，effectivetreatmentofphenolwastewaterimminent.Phenolwastewaterbybiologicalthanphysicalchemicalmethodsoflowcost，highefficiencynosecondarypollutionbenefits，generalmicrobialdegradationofphenolcannotbeeffectivenothigherc

3、oncentrationsofphenoldegradation.Thepurposeofthisstudy，throughtheseparationofphenoldegradationbacteriabreedingcellimmobilizationtechnologyresearch，tofurtherimprovethestabilitydegradationofphenolstraintheabilitytomakethem

4、mesuitablefindustrialproduction.Inthisstudy，phenolassolecarbonsource，onthenthernShenyangactivatedsludgesewagetreatmentplantdomesticationion，arecapableofdegradinghighconcentrationsofphenolinphenolbacteriaSGER2，followedbyU

5、Vmutagenesisofthestrains，breedingoutofahighphenoldegradingbacteriastrainsSGERU40.TheSEMidentifiedascocci，gramnegative.TheeffectsofbacterialphenolphenolSGERU40growthacteristics，environmentalfacts，nutritionotherfactsinflue

6、nceitsgrowth.TheresultsshowedthatthegrowthofstrainSGERU40phenoldegradationisbasicallysynchronous，theendofexponentialgrowthshowedagreaterabilitytodegradephenol.DegradationSGERU40strainswassignificantlyhigherthanthereptedp

7、henolconcentration(2200mgL)higher，ashterdegradationtime.Bythogonalexperiments，theoptimumconditionsfphenol：temperature35℃，liquidvolumeis50mL，pHis7.0，NH4NO3concentrationwas1.0gL.Inaddition，thepresentstudy，foundthatthebestn

8、itrogensourceftheNH4NO3，heavymetalionsonthephenolalsohasagreatinfluence，Cu2onthemostvirulentstrains，strainsofMn2，Zn2，Pb2haveacertainresistance，relativetoLook，Mn2，Zn2isweakerthanthetoxicityofthestrainPb2soon.Immobilizedce

9、lltechnologyembeddingmethodwereusedsodiumalginate(SA)methodpolyvinylalcoholgelentrapment(PVA)gelembeddingfixedphenoldegradingbacteria，phenolstrainrateobservedSGERU40size.ComeSodiumAlginateAct“PVAembeddedAct”freebacteria.

10、atthesametime，thealginategelentrapmentmethodpolyvinylalcoholgelembeddingmethodwassignificantlyhigherthanthedegradationrateoffreebacteria.Focusonthealginategelentrapmentmethod.thogonalexperimentsfixedtheOptimalembeddingco