掺杂铜的介孔SiO2微球的制备以及对亚甲基蓝的吸附.pdf

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1、第28卷第8期无机化学学报V01_28No．82012年8月CHINESEJ0URNALOFINORGANICCHEMISTRY1705—1711掺杂铜的介孑LSiO2微球的制备以及对亚甲基蓝的吸附曹渊邹函君魏红娟文毅王亚涛(重庆大学化学化工学院，重庆400044)摘要：通过水热法在室温下合成了不同铜含量的介孔SiO：微球fCu—MSM)。目的在于研究吸附剂量、MB的初始浓度以及吸附时问对Cu—MSM从溶液中移除亚甲基蓝(MB)吸附性能的影响。结果表明，当增加Cu．MSM的量时，MB的去除率会大大提高；掺杂铜的介孔SiO微球可以通过吸附去除

2、水溶液中的亚甲蓝。最后，简要探讨了亚甲基蓝的吸附机理。关键词：亚甲基蓝；Cu—MSM；吸附中图分类号：O614．121；TQ424．26文献标识码：A文章编号：1001—4861(2012)08—1705—07PreparationandMethyleneBlueAdsorptionofMesoporousSilicaMicrospheresDopedwithCopperCAOYuanZOUHan—JunWEIHong-JuanWENYiWANGYa—TaofCollegeofChemistry&ChemicalEngineering,Ch

3、ongqingUniversity,Chongqing400044，China)Abstract：Mesoporoussilicamicrospheresdopedwithvariousamountsofcopper(Cu—MSM)weresynthesizedusingahydrothermalmethodatroomtemperature．TheaimofthepresentWOrkiStoexploretheeffectofadsorbentdosage，initialconcentrationofmethyleneblue(MB)，

4、andcontacttimeontheadsorptionperformanceofCu．MSMfortheremovalofMBfromaqueoussolutions．TheresultsshowthatthedyeremovalcanbegreatlyimprovedbyincreasingtheCu—MSMdosage．TheresultsalsoindicatethatCu—MSMcanbeusedfortheremoval0fMBfromaqueoussolutionsbyadsorption．Finally．theadsorp

5、tionmechanismofMBiSdiscussed．Keywords：methyleneblue；Cu—MSM；adsorption0Introductionwhileingestionthroughthemouthproduceaburningsensationandmaycausenausea，vomiting，profuseInrecentyears，dyestufefluentsashighlycoloredsweating，mentalconfusionandmethemoglobinemia．wastewaterhavea

6、ttractedmoreandmoreconcerns．TheThedegradationofsomekindsofdyemoleculesisrunoffs(coloredwastewaters)frommanufacturingandratherdificultbecausetheyareverystableagainstlighttextileindustrieswerediscardedintoriversandlakes，andoxidationreactions．Variousphysical，chemical，andalter

7、ingthebiologicalstabilityofsurroundingbiologicaltreatmentshaverecentlybeenappliedfordyeecosystems[11wastewatertreatment，suchaselectrocoagulation，．MBiSthemostcommonlyuseddyestufffordyingcotton，woodandsilk．Oninhalation，itcanchemicaloxidation，biodegradationl5l，andadsorption．g

8、iverisetoshortperiodsofrapidordificultbreathingAdsorptionisthemostcommonlyusedmethodfordy