第27卷第5期

2010年5月

精细化工

Vol.27,No.5May2010

FINECHEMICALS

催化与分离提纯技术

催化氧化环己烯制备己二酸

周彩荣,石晓华,南慧芳,蒋登高

(郑州大学化工与能源学院,河南郑州　450001)

摘要:采用“一锅煮”的方法,在无有机溶剂存在下,将自制的催化剂/SBA(40)(BA)用于过氧化氢氧化环己烯制备己二酸的绿色工艺中)/)=

5147;用正交实验法和单因素实验法优化反应工艺条件己二酸收率的影响。:9h,温度,1175g,n(H2O2)/n(环己烯)=5147(环己烯以5131计),,反应315h后再加入另外半量过氧化氢〔w(HO,7315%,质量分数可达9917%。并对

PW/S,BJH孔容曲线。

关键词:环己烯;过氧化氢;介孔材料SBA-15;催化

中图分类号:TQ031.7　　文献标识码:A　　文章编号:1003-5214(2010)05-0437-05

StudyonProcessofPreparingAdipicAcidby

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CatalyticOxidationofCyclohexene

ZHOUCai2rong,SHIXiao2hua,NANHui2fang,JIANGDeng2gao

(CollegeofChemicalEngineeringandEnergy,ZhengzhouUniversity,Zhengzhou450001,Henan,China)

Abstract:Adipicacidissynthesizedbymeansofa“one2pot”reactivemodewithcyclohexeneandhydrogenperoxide〔w(H2O2)=30%〕usingthemodifiedcatalyst400PW/SBA(40)(briefnotePW/SBA).Theprocessisthescientificmethodofcleansynthesiswithoutorganicsolvent.Threestepsweretakeninthisstudytooptimizetheconditionsofthesynthesisprocessofadipicacid.Firstofall,thebasicrouteofsynthesizingadipicacidwasdeterminedbyapre2experimentprogram.Then,theorthogonalexperimentmethodandthesinglefactortestmethodwereusedtooptimizetheconditionsofreactionprocess.Finally,thebetterprocessofsyntheticroutesandconditionsweretestedbyusingtheparallelexperimentmethods.Theobtainedconditionsare:reactiontime9h,temperature80℃,theamountofcatalyst1175g,n(H2O2)∶n(cyclohexene)=5147∶1.After315hofreaction,another1/2ofH2O2wasadded.Theresultsindicatethattheyieldofadipicacidcouldreach7315%,andtheweightpercentof9917%undertheoptimalcondition.Moreover,thecharacterizedN2adsorption2desorptionisothermsandBJHcumulativeporevolumeofthePW/SBAwereinvestigated.Keywords:adipicacid;cyclohexene;hydrogenperoxide;SBA-15;catalysis

Foundationitem:SciencesandtechnologyattackingakeyproblemfoundationofHenanprovince(092102210177)

收稿日期:2009-12-28;定用日期:2010-02-04

基金项目:河南省科技攻关资助项目(092102210177)

作者简介:周彩荣(1958-),女,江苏省沭阳县人,郑州大学化工与能源学院教授,博士,主要从事精细有机合成和化工基础工程数据的研究,电话:0371-67781034,E-mail:zhoucairong@。