人工滲濾介質(zhì)水動(dòng)力學(xué)參數(shù)變化的實(shí)驗(yàn)研究.pdf

1、湖南師范大學(xué)碩士學(xué)位論文人工滲濾介質(zhì)水動(dòng)力學(xué)參數(shù)變化的實(shí)驗(yàn)研究姓名：楊文濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：水文學(xué)與水資源指導(dǎo)教師：劉春平20070501ABSTRACTWastewaterlandtreatmentsystemisaneffectivewayinimprovingecologicalenvironmentandsolvingpresentwatershortageproblemforitslowcost、lowinvestmen

2、t、betterwastewatertreatmentresultandpracticabilityofreclaimingtreatedwaterThefiltermediainWastewaterlandtreatmentsystemisartificialOrsemi—artificialpOrousmediaTheadsorption、transportationanddistributionofpollutantsinWast

3、ewaterlandtreatmentsystemCanbecontrolledbyselectingporousmediaofdifferentparticlesizeandbulkdensityaccordingtotheresultofwastewatertreatmentHydrodynamicparametersarekeypointsonresearchingwastewatersolution’stransportinga

4、ndtransformationinlandtreatmentsystemThetransportationandtransformationrulesofCODiIlartificialfiltermediaiscarriedoutinthispaperbydiscussingthehydrodynamicalprocessandparameterchangerulesofCODtransportationinsandofdiffer

5、entparticlesizeandbulkdensityindifferentsituationsItpro、，idesscientificbasisfOrdesigningandimprovingwastewatertreatment耽eexperimentonfiltercoefficientindicatesthat：thefiltercoefficientrespectivelyshowspower、indexingrelat

6、ionshipwithparticlesize、temperatureandshowsnegativecoefficient奶thbulkdensityFiltercoefficientincreases勰particlesize、temperatureincreasethesoluteinsandcolumn耐thsameparticlesizebutlowerbulkdensitypermeatemoreeasily111esolu

7、tetransportexperimentshowsthat：theparticlesizehasasecondordercorrelation謝tllretardparameterR：thedispersionincreaseasparticlesizeincrease；retardparameteranddispersioncorrelateswimtemperatureandbulkdensitypositivelyWhenthe