新型微纳分级结构材料的制备、修饰及对水中微污染物的吸附性能研究

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2、lut髓ts．Becauseofthepersistence觚d锄plificationimpactofmetoxice彘ctc哪edbymicropollut如ts，theaddressof舭saf．e够issuesofdr协kingwaterishighlydesil-ed．Currently'memaillmetllodsfortllereInovalofInicropolllnantsiIlcludeadso印石on，flocculation，andphotode鄹童dation，etc．AInongmem，adso印tionisoneofmemostprospectiVeapproa

3、chesduetoitsattractiveadv锄tagessuch弱simple叩eration．Conventionaladsorb明ts(e．g．，actiVecarbonandzeolite)canremoVep疵ofthepollutantsinwater；howeVer，也e锄∞咄ofadsorbentss_houldbesi萨ificantlyiIlcreasedtoenable也emicropolhned、Ⅳatert0bep谢fied嬲clean弱n撕onalstandardofdrin：kiIlg、张ter'锄dmerebyi11creaSetllecostofthewa

4、ter仃ea缸nent．Thereasonforthisistllatt11eadso印tionsitesofconve埘onaladsorbentsareless，asweU2usadso删onc印aci够islow'resultinginlowremoValemciency．N趾oadsorbentsnotonlypossessrelatiVelyla玛especificsur：fIaCearea，butalsohavemanyactive舢1ctiomlgroupsontllesumcewllichcaIlphysicallyandchelIlically血eraCtwitllIIlic

5、ropollllt锄ts，leamngto也ereIn0Valofmicr叩011utantsbyadsorption．So，n觚oadsorbentscanprolnisinglyf-mdapphcationsfort11erenloValof111icropollut鲫惚indrinkingwat{er．HoweVer，itremainsanissuethatnanoscaleadsorbentsaggregateeasily．IIlt：hiscondition，n硼nerousaCtiVef．蛆ctionalgroupsonthesllr：facecanhardlytakepartiIl

6、meadsorption．AswelmoW’micro一／nanos仃uctIlredmatedalsareoneoftheorderedassemblyarChitectureofnanomaterialsillwhichbothadvantagesofn趾oadsorbentscanbemaint血ed舭dmeag辨gationc弛bereduceden’ectively：Thisenalblesitanimport孤1tdirectioninn蛆omaterialsr．ese锄_Chfield．111ercfore，也istllesisperfb彻edaseriesofi11Vestig

7、ationsontheprep锄石onof面cro-／Ilanos仃uc饥lredllierarchicaladSorbentsandt11eiradso印tionspmpeniesfortheremovalofmicrop01hnantsindrinkingwater．Theyare驯mmarized舔f0110ws：1)Asnownake—l岫Z114(C03)(OH)6’H20111icr0