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1、河北農業(yè)大學碩士學位論文垃圾滲濾液與城市污水合并處理的研究姓名：張思若申請學位級別：碩士專業(yè)：農業(yè)水土工程指導教師：劉俊良20120526StudyonCotreatmentofLandfdlLeachateandMunicipalSewageAuthorZhangSiruoSulmvisor：LiuJunliangMajorAgriculturalWaterandSoilEngineeringAbstractAccordingtoth

2、eresultspredictedbythecurrenttrendofurbanizationtheproportionofurbanpopulationinChinawillreachto60％and76％in2030and2050Inthenext50years，therewillbeafastigiumofthepopulationandurbanizationThegrowingpopulationmeansthatthequ

3、antityofmunicipalrefusewillbemoreandmoreIn”12thFiveYearplan竹，therewillbeanumberofgarbageharmlesstreatmentfacilitiesbuiltTo2015，themunicipalrefuseharmlessprocessingrateshouldreachmorethan80percentEverycountyinourcountryis

4、requiredtobuildonegarbageharmlesstreatmentfacilityatleast硼kincreaseofgarbageharmlesstreatmentfacilitieswillprotecttheenvironmentandoptimizethehumansettlementundoubtedlyHoweverthesecondarypollutionbroughtbyharmlesstreatme

5、ntwillbecomemoreprominentwhichshouldbethinkhighlyofThemostimportantwayofurbangarbagedisposalinourcountryissanitarylandfill，inwhichlandfillleachateOCCURSLandfillleachateisallorganicwastewaterofcomplexconcentrationgenerate

6、dbythelandfillprocess，becauseoffermentationprecipitationandwatersoakwhichcontainsahugenumberofrefractoryorganicsandtoxicsubstancesIfnottreatproperlythepollutionwilldohugeharmtotheenvironmentAccordingtoliterature，theleach

7、atehasalreadybecomeoneofthemostimportantpollutionsoureeThehabitsofourresidentsandgarbagesortinghaveledtoaresultthatlandfillleachateinOurcountryis20％higherthanthatinforeigncountryThereforelandfillleaehatetreatmentin0111“c

8、ountryisfacingmorepressureBycomparisontheinvestmentandoperatingcostsofleachatewhichistreatedseparatelyarehigherSOconsiderusingtheCO—treatmentoflandfillleachateandmunicipalwaterwhichismuchcheaperTakethemixtureoflandfillle

9、achateandmunicipalsewagefromBaodingasaresearchobject，usingAz0processandrotatingbiologicalcontactorprocessrespectivelyAnalyzekindsofproblemsthatOCCurintheexperimentandsolvekeyquestionsasfollows：(1)Todeterminethebesthydrau

10、licretentiontime，internalrecycleratio，retUlTIsludgeratio，sludgeage，concentrationofdissolvedoxygenwatertemperatureandotherprocessparametersofA20process(2)Todeterminethebesthydraulicretentiontime，rotaryspeedanddiscimmersio

11、npercentageandotheroptimumparametersofrotatingbiolo百calcontactorprocess(3)Todeterminetheoptimumproportionoflandfillleachateandmunicipalsewageundertheoptimumworkingconditionsusingtwodifferentprocess(4)Tomakefeasibilitystu

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