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1、太原理工大學(xué)碩士學(xué)位論文粗蒽分離精制過(guò)程中的溶劑選擇姓名:趙振波申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):化學(xué)工藝指導(dǎo)教師:王志忠2003.4.1太攝埋工支學(xué)磺士掌整論文耀蕙分離糕制l窶耬中韻溶剩選攆攘要本文考察了蕙、藩、咔噻在苯、警苯、二甲苯、重溶粼油、環(huán)基燒、DMF、髖啶、環(huán)己酗粒N囊等露極溶剡中戇溶鰓度。并從三個(gè)方覆對(duì)溶賽g溶解固體磚髓分析;(1)分子結(jié)構(gòu)及空間維擒,(2)分子之瓣褪互俸耀力,(3)內(nèi)聚簸,褥到靜結(jié)栗與實(shí)驗(yàn)得到的數(shù)據(jù)基本~致。同時(shí),還對(duì)蒽、菲同分異構(gòu)體在不同溶裁中的溶解度的爰異,從活度系數(shù)方蟊避行了
2、搽討。根據(jù)實(shí)驗(yàn)得出一個(gè)結(jié)論;當(dāng)其孛囂個(gè)方瑟榴一致蹲,它就可瀲褥盤(pán)溶裁豹溶瓣撓力大小。本文磊贏效滾穗憊譜法(疆,毛e>瓣糧慧及分離璇蜃瓣產(chǎn)稔進(jìn)行了定量分析,HPLC的分析條件為:檢測(cè)波長(zhǎng):254nm;串醇助c溶液的俸積比81/19;濺速:lml/g;檢測(cè)溢度:室溫。泌褥糨慧中各綴分的含爨為:蔥52.07%、棼103%、跨睦32.35%。遴過(guò)實(shí)驗(yàn)可知,在所考察的溶劑中笨對(duì)稚的溶解效栗鼴好,太藤壤王丈學(xué)蘸士學(xué)控論文而DMF對(duì)咔唑的溶解效果最好。因此,從這些溶劑中選出苯和DMF來(lái)進(jìn)行分離粗蒽。苯禊70”C、溶鰓
3、時(shí)闋60rain、溶剡比125:50ml/g,對(duì)分離糕蔥中葵的效果最好,可以使糖蔥中菲的含量從10.3%提登41.7%。DMF在120。C、溶解時(shí)聞80min、溶荊比75:30ml/g時(shí),對(duì)分離蒽和咔唑混合物中咔唑的效果最好,并且從高溫和低溫下分離厝得到固體含量可以看出,在這兩個(gè)溫度下過(guò)濾得到葸的含量菱不多,因此,本實(shí)驗(yàn)選攆在常溢下過(guò)濾。關(guān)鍵詞:蒽,菲,咔唑,分子結(jié)構(gòu),內(nèi)聚能太原理工大學(xué)碩士學(xué)位論文THESoLVENTCHOICEoFTHEREFINEDPROCESSOFSEPARATINGCRUDEA
4、NTHRACENEABSTRACTInthepaperthesolubilitiesofAnthracene,PhenanthreneandCarbazolearestudiedinbenzene,toluene,xylene,theheavysolventoil,clohexane,DMF,pyridine,cyclohexanoneandacetone,andqualitativeanalysisisdonebythreeaspectsintheprocessofthesolutedissolved
5、thesolvent:(1)themolecularstrutureandtheinterspacestruture;(2)reciprocityforceoftheintermolecule;(3)thecohesionenergy.Theachievedresultsareconsistentwiththedataobtainedintheexperiment.AtthesametimethedifferenceofthesolubilitytotheisomericcompoundAnthrace
6、neandPhenanthreneinthedifferentsolventsisdiscussedbytheaspectoftheactivitycoefficient.Owingtotheexperimenttheconcludeisdrawn:Itmaydrawthepowerofthesolventdissolving.Inthepaperquantitativeanalysisisdonebyhi曲performanceliquidchromatographytocrudeanthracene
7、andtheseparatedproducts,andtheHPLCconditions:inspectedwavelengh:254nm;flowvelocity:lml/g;thevolumeratioofthemethanol/watersolution:81/19;andinspectedtemperature:roomtemperature.Everycomponentcontentofcrudeanthraceneisinspected,“i太蘸蓬王大學(xué)壤士學(xué)霞論文Anthracene52.
8、07%.Phenanthrene10.3%andCarbazole32.35%.Throughtheexperiment,itisknownthatthedissolvingeffectofbenzenetoPhenanthreneinsomestudiedorganicsolventisbest,moreoverDMFtoCarbazoleisbest.SobenzeneandDMFfromthesomesolventsseparatec