博士面试答辩英文版科研陈述

申请者:------申请导师:---2023年3月25日

-----大学博士申请科研陈说1.Personal

Information2.ResearchProgressDuringGraduatePeriod3.ResearchTopicsandInterests1.Personal

InformationEducation：09/2023-06/2023.FoodScience,StateKeyLaboratoryofTeaPlantBiologyandUtilization,AnhuiAgriculturalUniversity.09/2023-06/2023.B.Eng.,FoodScienceandEngineering,AnhuiAgriculturalUniversity.09/2023-06/2023.ChuZhouHighSchool.Awards：NationalEncouragementScholarship,ProfessionalThird-classScholarship,TripleAOutstandingStudent

,OutstandingStudentLeaders,SchoolOutstandingGraduationThesis,etc.Language

Proficiency:AbilitytosearchandreadEnglishliteratureskillfullyfromallkindsofEnglishdatabase.AbilitytowriteEnglishpapersindependently.Computer

Skills:Microsoftoffice,Endnote,Origin,Omnic,Photoshop,Spass,ChemicalOffice,X’PertHighscorePlus,etc.2.ResearchProgressDuringGraduatePeriodWater-drinkingfluorosiscoveredabout2.2millionkm2,1.4millionsofpeopleLimitationsoftraditionaladsorbent：（1）NarrowpHrange（2）Lowadsorptioncapacity（3）Secondarypollution

Fig.2-1DistributionoffluorosisinChina2.1Background：DistributionoffluorosisinChina2.ResearchProgressDuringGraduatePeriod

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/Feoxides

Fig.2-2GraphicalabstractofteawasteloadedwithAl/Feoxides

2.ResearchProgressDuringGraduatePeriod

Fig.2-3EffectofpHontheqeofbiosorbentsTable2-1Theadsorptioncapacityoffluorideq0ofactivatedaluminawas1.45mg/gatpH7(Jagtap,2023).

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/FeoxidesResearchProgress

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/FeoxidesFig.2-4ResidualconcentrationofFe(a)andAl(b)influoridesolutionwithpHafteradsorption2.ResearchProgressDuringGraduatePeriod2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-4.MolecularstructureofAPAM

Carboxylicacidfunctionalgroupsoforganicacidshavedemonstratedapositiveeffectonenhancementoffluorideadsorptionfromaqueous(Velazquez-Jimenez,2023;Li,2023;Wang,2023).2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-5SEMimagesofTea-Al(a)andTea-APAM-Al(b)

Table2-2Surfacearea,porevolumeandporediameterofbiosorbents.15times16times2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-6.EffectofpHontheadsorptioncapacityofbiosorbentsTable2-3Theadsorptioncapacityoffluorideq0ofactivatedaluminawas1.45mg/gatpH7(Jagtap,2023)29times2.ResearchProgressDuringGraduatePeriod

Fig.2-4.MolecularstructureofAPAM2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Fig.2-7Concentrationoffluorideandsulfateionsinsolutionasafunctionofcontacttimewithinitialfluorideconcentrationof30mg/LTheresultsindicatedthatanionexchangewithsulfateionswasoneoftheimportantmechanismsforfluorideremoval2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Thebandat1109cm-1disappearedafteradsorptionoffluorideimplyingthat–SO42hadplayedanimportantroleinfluorideremoval.Fig.2-8.FTIRspectraofbiosorbents2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Tea-APAM-Alshowedaremarkableincreasefrom4.02%to15.99%incomparisontoTea-Al.

ThequantityofsulfateioncouldbeincreasedwiththeparticipationofAPAMamongtheloadingprogress.Sulfateionsmightbereplacedbyfluoride,whichwasconsistentwiththeresultsofFTIRandadsorptionexperiments.Table2-4XPSanalysisofTea-Al,Tea-APAM-Albeforeandafterfluorideadsorption

NaF：684.5eVTheresultssuggestedthatAlatomsparticipatedinfluorideadsorptionprocess.AnewF(1s)peakwasfoundat685.5eV,whichwashigherthanthe684.5eVforNaF,signifyingthatsurfacereactionshadoccurred.2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Fig.2-9XPSspectraoftheAl2p(a)andF1s(b)ofTea-APAM-Albeforeandafteradsorption2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Table2-5ChemicalparametersofgroundwaterbeforeandaftertreatmentwithTea-APAM-Al2.ResearchProgressDuringGraduatePeriod

Summarize:TwokindsofTea-Al-Feexhibitedsuperiorfluorideadsorptionthantraditionaladsorbents.Tea-Al-FecouldbeusedtoremovefluoridewithoutpHadjustment.TheresidualconcentrationsofAlandFeindrinkingwateradsorbedbyTea-Al-FeatdifferentpHrangesfrom5.0to10.0werebelowtheWHOstandard.Publications12345

3.1Thepotentialabilitiesofpolysaccharideanditsder