偕胺肟基超高分子量聚乙烯纤维对含氟含铀溶液中铀的吸附性能研究

偕胺肟基超高分子量聚乙烯纤维对含氟含铀溶液中铀的吸附性能研究Title: Study on the Adsorption Performance of Urea-Oxime Functionalize

偕胺肟基超高分子量聚乙烯纤维对含氟含铀溶液中铀 的吸附性能研究 Title:StudyontheAdsorptionPerformanceofUrea-Oxime FunctionalizedUltra-HighMolecularWeightPolyethyleneFibers forUraniuminFluorine-ContainingUraniumSolutions Abstract: Uraniumcontaminationinfluorine-containinguranium solutionsposesasignificantenvironmentalandhealthhazard.The developmentofefficientadsorbentsforuraniumremovalisof greatimportance.Inthisstudy,weinvestigatetheadsorption performanceofurea-oximefunctionalizedultra-highmolecular weightpolyethylene(UHMWPE)fibersforuraniumin fluorine-containinguraniumsolutions.Thesynthesisof urea-oximefunctionalizedUHMWPEfibersandtheinfluenceof variousexperimentalparametersontheadsorptionprocessare explored.Ourfindingsindicatethattheurea-oximefunctionalized UHMWPEfibersexhibitexcellentadsorptioncapacityand selectivitytowardsuraniuminfluorine-containinguranium solutions. 1.Introduction: Fluorine-containinguraniumsolutions,oftenfoundinnuclear facilitiesanduraniumminingoperations,containsignificant amountsofuraniumandposeaseriousthreattotheenvironment andhumanhealth.Therefore,thedevelopmentofefficient adsorbentstoselectivelyremoveuraniumfromthesesolutionsis crucial.Urea-oximefunctionalizedUHMWPEfibershaveshown potentialaspromisingadsorbentsduetotheirhighsurfacearea, chemicalstability,andtunablesurfacefunctionality. 2.ExperimentalDetails: 2.1SynthesisofUrea-OximeFunctionalizedUHMWPEFibers: Thesynthesisofurea-oximefunctionalizedUHMWPEfibers involvestheesterificationofUHMWPEwithureaandsubsequent reactionwithhydroxylaminetoformtheoximefunctionality.The detailedsynthesisprocedureandcharacterizationtechniquesare described.