操作因素對(duì)反滲透膜分離性能的影響及模型參數(shù)分析.pdf

1、北京交通大學(xué)碩士學(xué)位論文操作因素對(duì)反滲透膜分離性能的影響及模型參數(shù)分析姓名：于夢(mèng)婕申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：環(huán)境科學(xué)指導(dǎo)教師：于海琴20081201ABSTRACTABSTRACTABSTRACT：TheeffectsofoperationparametersonfluxofpermeateandMgrejectionweretestedinthiswork，andonboundaryofinletwatercharacteristict

2、hecoefficientanalysisofthequalitativetransfermodelwastakenonthebasisofnonbalancethermodynamicsmodel，inaddition，aquantitativetransfermodelWasdevelopedbyusingthemethodoflinearregressionThefactorsinfluencingseparationperfor

3、manceofthemembranewereoperatingpressure，temperatureofexperiment，concentrationoffeedsolution，andvelocityofflowTheresearchWascarriedoutwiththeorthogonalexperimentof16differentconditionlevelsTheexperimentalresultsshowthatop

4、eratingpressureandtemperatureofexperimentaretwoveryprominentfactorsinfluencingfluxofpermeate，thevalueofFrespectivelyis2155and2117Velocityofflowalsohasinfluenceonfluxofpermeate，thevalueofFis509Thechangeofconcentrationoffe

5、edsolutionhaslittleinfluenceonfluxofpermeate，thevalueofFisonly128Theprominentfactorinfluencingrejectionistemperatureofexperiment，F(xiàn)=744TheeffectsofotherfactorsarenotSOsignificantforoperatingpressurevelocityofflowaswellasc

6、oncentrationoffeedsolution，thevalueofFrespectivelyiS433374and181ByanalyzingandsummarizingvarioustransfermodelsofRO，andintermsofnonbalancethermodynamicsmodel，anewparameterwasadvanced：thesolutionpermeancecoefficient職andaqu

7、alitativetransfermodelwasdevelopedandprovedby16groupsofdataoftheorthogonalexperimentFirst，themodelconstantsweredeterminedfromagroupofdata，andthen，accordingtotheseconstantsandtransferequationsofthemodeldevelope，thefluxofp

8、ermeateoftherest15experimentscouldbecalculatedComparingwiththeexperimentalfluxofmembrane，itisshownthatthevaluescalculatedareaccurateTheminimumrelativeerrorisof042％andthemeanroot—squareerrorisof798％Theinletwatercharacteri

9、sticwasconsideredasaconstantonconditionofusingtapwater勰resourceintheROexperimentConsequentlywegetaquantitativetransfermodelbyusingthemethodoflinearregressiontodealwiththe25groupsofdataoftheROexperimentandtakingaseriesofs