亚铁氰化钾钛的制备和性能研究

    • 摘要: 用溶胶-凝胶法合成了新型无机离子交换剂亚铁氰化钾钛,并测定了其组成、结构和在硝酸介质中对铯的离子交换性能。结果表明,分散介质中表面活性剂用量和搅拌速度对合成二氧化钛凝胶的影响较大,浸泡条件、亚铁氰化钾钛的干燥方式对交换容量及交换速度也有很大的影响。

       

      Abstract: STUDYONTHEPREPARATIONANDPROPERTIESOFPOTASSIUMTITANIUMHEXACYANOFERRATEXuShipingJingChangyinSongChongli(InstituteofNuclearEnergyandTechnology,TsinghuaUniversity,P.O.Box1021,Beijing102201)ABSTRACTAmethodofpreparinganewinorganicionexchangernamedpotassiumtitaniumhexa-cyanoferratebysol-geltechnologyisinvestigated.Thecompositionandstructureoftheex-changeraretestedanditsexchangepropertiesarestudied.Theresultsshowthatthesurfac-tantcontentindispersingmediumandstirringspeedafectgreatlythepreparationoftitani-umdioxide.ImmersinganddryingconditionsafectgreatlytheexchangecapacityandspeedforCs+.Excelentinorganicexchangerhasbeenprepared.KeywordsPotassiumtitaniumhexacyanoferrateCs+Inorganicionexchanger

       

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