農產品廢棄物纖維素陰離子交換劑的制備和應用

1、西北大學碩士學位論文農產品廢棄物纖維素陰離子交換劑的制備和應用姓名：尹小紅申請學位級別：碩士專業(yè)：有機化學指導教師：常建華2002.5.20西北大學碩士學位論文—————●—————_———__————’●———___———_●_———’—●●————__————●__————__——_●_—————_———————AbstractCelluloseisakindofbiodegradable，friendlyforenvironmen

2、ts，regenerativeresource—whichliesinnatureextensivelyThecontentofcelluloseis30％50％inwheatstraw，ricehusk，buckwheatandsawdustasrejectamentaofagricultures，whichwillpolluteenvironmentsasiscombustedanditisalsoasignificantwaste

3、ofresourceIfthecellulosederivativesweresynthesizedfromtherejectamentaofagricultures，thepollutiontotheenvironmentwouldbereduced，theindustry’materialwouldbesaved，andaserieskindsoflow—costchemicalswouldbeprovidedThecellulos

4、ehasbeenactivatedfromwheatstraw，ricehusk，buckwheatandsawdustbyepoxychloropropane，andfourstronganionexchangershasbeensynthesizedbyreactedwithtrimethylamine，whichwereWCellCTMAHPSCellCTMAHPBCell—CTMAHPandRCell—CTMAHPThreepo

5、lyaminetypeweakanionexchangers(WCellEDAHPWCellDETAHEWCell—TETAHP)weresynthesizedfromreactionofepoxystrawcelluloseetherwithethylenedianline，diethylenetriamine，triethylenetetramine；twoweakanionexchanger(WCell—DMAHPWCell—DE

6、AHP)weresynthesizedfromdimethylamineanddiethylamineandstronganionexchanger(WCell—CTEAHP)weresynthesizedfromtriethylamineWeakanionexchanger(WCellDMAE)wassynthesizedfromreactionofstrawcellulosewithN，N—dimethylchloroethaneS

7、ixstronganionexchangers(WCell—CDMHEAE，WCellCDMBAE，WCell—CDMHEAHPWCellCDMBAHPWCellCDEHEAHPWCellCDEBAHP)weresynthesizedfromreactionofWCell—DMAE、WCellDMAHPWCell—DEAHPwithchloroethanol，chlorobenzeneTheexchangecapacityofstron

8、ganionexchangerandweakanionexchangerofcelluloseweredeterminedTheadsorptioncapacityofsaturationofpolyaminetypeexchangerforCu2isabovell02mg’g～andtheratioofremovingisabove991％Theadsorptioncapacitiesofsaturationofstronganion

9、exchangerandweakanionexchangerforaniondyeare187mg‘g。1andl22mg‘g～respectivelyTheadsorptioncapacitiesofsaturationofstronganionexchangerandweakanionexchangerforCr(VI)are3412mg‘g～and2437rag‘g‘1respectivelyOurstudiesprovideaf

10、easiblewayfortheutilizationofrejectamentaofagriculturesandreducingpollution，alsoprovideakindofcheapsorbentfortreatingwastewaterKeywords：rejectamentaofagricultures；cellulose；epoxychloropropane；anionexchanger；aniondye；meta