微生物絮凝剂及细胞融合技术处理印染废水的研究

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1、南昌大学硕士学位论文微生物絮凝剂及细胞融合技术处理印染废水的研究姓名：程彬彬申请学位级别：硕士专业：环境科学指导教师：林波20080601AbstractABSTRACTDyeingwastewaterisonekindofhigh-concentrationorgarficwastewater、析thbadbiodegradabilityandhighchromaticity．Thesecharacteristicsmakeithardtotreatandcosthighly．眦sthesis

2、basedonhighlyefficientmultiplemicroorganismsandusedthedegradabilityofthefusantbuiltbyPEGCellFusiontechnologytotreatdyeingwastewaterforthefirsttime．Eightstrains、vith11i曲flocculatingcapacitywerescreenedfromtheoutfallofdyeingcompany．Twoarbitrarystrainsw

3、eremixedandcultivatedtobuildmultiplemicroorganisms，28kindsofbacteriawereobtained，andthebestwasnamedDXFH—1．TheoptimalcultivatingcondkionforMBFproductionWaslistedasfollowing：1．5mlMBF，pH7．0，300C，and160rpm．Underthissituation，theflocculatingactivitycouldr

4、each90．2％．DyeingwastewaterwastreatedbyMBFproducedbyDXFH一1．TheorthogonalexperimentsshowedthattheoptimalconditionofCODcrandchromaticityremovalefficiencywasthat：2．OmlMBF／50mlfermentationmedium，5．5mll％CaCl2，pH10．0andsettledfor30minutes．Underthissituation

5、，theCODcrconcentrationdroppedfrom730．50mg／Lto242．67mg／L，theremovalefficiencycouldreach66．8％：Andthechromaticitydroppedfrom220．0to37．6，theremovalefficiencycouldreach82．9％．ThekineticequationsofCODcrandchromaticityremovalefficiencywere：tctcCODer，气o(cODer

6、，(1。瓦丽蒜)(mg／L)Ctc鲅，=cm度，(卜聂丽丽tAftertreatedbyDXFH一1，Wastewater’Squalitydidnotreachthedischargestandard．ThisstudysoughttotakebioaugmentationtoimprovetheperformanceofDXFH一1inordertoimprovethetreatingefficiencyofdyeingwastewater．ThroughPEGprotoplastfusio

7、ntechnology，wegotastablefusantnamedDXRH一1．DyeingwastewaterwhichhadbeentreatedbyDXFH·1wastreatedbyDXRH-1．TheorthogonalexperimentsshowedthattheoptimalconditionofCODcfIlAbstractremovalefficiencywasthat：DXRH-l5．5ml，pH6．5，300Cand160rpm．Underthissituation，

8、after72hours，theCODcrconcentrationWasdroppedfrom242．67mg／Lto92．24medL，theCODcrremovalefficiencycouldreach62．O％．ThekineticequationofCODcrdegradationWasthat：Ct(coDcr)=Co(coDcr)e．0·0118‘(mg／L)Researchshowedthat：UsingMBFproducedbyDXRH一1treateddyeingwaste