資源描述:
《亞氨基二乙酸及草甘膦合成新工藝研究》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、浙江大學(xué)碩士學(xué)位論文亞氨基二乙酸及草甘膦合成新工藝研究姓名:徐六興申請學(xué)位級別:碩士專業(yè):生物化工指導(dǎo)教師:許文松20060501浙江大學(xué)碩士學(xué)位論文關(guān)鍵詞:羥基乙腈,二乙醇胺,亞氨基二乙酸,雙甘膦,草甘膦,脫氫氧化,催化劑R柚eyCu,再生,新工藝浙江大學(xué)碩士學(xué)位論文AbstractImillodiaccticacid,Ⅱ蜘elyIDA,isanimponantfinechemicalproduct.IDAhasawidelyuseandwasusedmainlytoproduceglyphosate,apest
2、icide.Cu玎-cⅡtly,IDAisdemandcdmorcandmore釅eatlyinhome,butmethods,suchaschloroaceticacidmethod,usedtomanufactllreIDAiIldomesticcompaniesweretraditional,withalowyieldaⅡdlack0fqualjIycompetitj徹,伊eatlyenvironmentp01lutjn島falljngshon0fthedemandofdearmanufactllre.Deh
3、ydrOgen0xidatingdiethaIlolaIniⅡetOprepara—tionmA,冊e0fmallymetllodstogenemteIDA,Withahighyield,purityandpollut—annessness,hasagrcatpotemialtoputintoindus塒alproduction.Butt11ismethodhasadeadlydisadVantage,thatiscatalystRaneyCuusedint王lismcthodhadabadr印eatcdIyuse
4、pe渤nnanceandusedingreat蜘ount.舢dthisdisadvantageimpedes“sproductiOninindustry.Glyphosate,丘rSt如entedbyMonsanto(U.S.Co.)in1971,isherbiddeanduseswodd誡dely.Andnowadays“sworldwideoutputisamollIltto300,000nons,0nethirdofwoddwideherbiddetotaloutput.Glyphosatemanufactw
5、甜tllrou曲IDAmethodisusedoVe刑helIniⅡginabroadcompanies.‰nparedwithabroadcompanies,mostoIlrdomesticcompaⅡiestakeGlycinemcthodaschoicetomaI】ufac£urc91)lphosate.Glycinemethodbas珊anydisadvantages,suchasl衄gindus啊alnow,lOwerpmductquality∞mpetitionaⅡd伊eatpoⅡution.Soiti
6、seme唱enttop叩ularizeI【)Ametbodt0produceglyphosateiIlhomecompaIlies.Inorderto腳ularizemAmethodprOducingG1yphosate,neWmethodm唧fa咖血gDAshouldbefound.Inthisstudy,anewmetllodtoprep盯eIDAwithhy出oxyni鋤ewaspresentedandIDAwassuccessfllllysynthesizebyusingthisnewmethod,.Bya
7、ddiⅡgaⅡinhibitoLa姍oniaaIldhydroxynitrilewereammonolyzedat一7℃toproduceaintemediateiminodiacetonitme.After20minheatprcseryatioⅡreaction阻PR),iminodiacetonj鋤e啪shydr01yzedbyalkaliat102℃toproduceasaltofdisodiumiminOdiaceticacid.SulfllricacjdwasaddedtothesolutioⅡtone
8、u圩alizetotheisoeleccricpointofiminodiaceticadd(IDA),and【DAcrystallized浙江大學(xué)碩士學(xué)位論文丘Dmthesolution.Theproduc【IDAwasachjevedafterdecolorizin島re口ystallizin舀filteringanddryiⅡg.Theroughyie