4-氨基甲苯-3-磺酸的合成工藝研究及設計.pdf

1、f1056541ff再蛀名譽扎盟描婷教帥鷥I噬氌曲擘辯‘專業(yè))也堂』E所在亍品越魁皇位工芏院浙江大學碩十研究生論文Abstract4Aminotohene一3一sulfonicacids，thesulfonationof4methylaniline，isanimportantintermediate，iswidelyapplledinthepreparationoforganicpigment，dyestuffs，etcAccordin

2、gtotheoperatingway，thepreparationisdividedtotwokindof：solidphaseandfluidphase，itisatypicalsulfonationofaromaticaminocompoundsforpreparationaromaticaminosulfonicacidThecharateristicandmethodsforsulfonationofaromaticcompou

3、ndswerereviewedinthispaper，thesulfonationprocessof4methylanilinewithsulfonicacidAtthesametime，theindustrializationdesignofthetechnologicalproject2000tonsayearItisin1932thatthebakingprocessisfirstlyusedinsulfoniationofaro

4、maticamine，in1980’s，thesolventbakingprocessorno—solventbakingoverseasInthisarticle4aminotoluene一3一sulfonicacidwasstudiedtosynthesizebysulfonationusing4methylanilineasarawmaterialViachoseakindofmoderatepriceandtoeasytheno

5、n—toxicdispersingagenttotakeplaceoftheorganicsolventThesulfonationreactionof4methylanilineiScarriedunderfactorsofthesulfonationofaromatieamine，Therelativelyprocessconditionwasasfollows：therawmaterialaromaticamineandthesu

6、lfuricacidallocatedmolproportionis卜103，addsacidtimeaboutfor卜2hour，thesalifyingtimeaboutfor卜5hour，bakingreactiontimefor620hour，andthetemperatureisabout160—250“C，bestfor190—230。CSimultaneously，Selectingtheverticaltypereact

7、orpossessedspecialstructuretoprepare4aminotoluene一3一sulfoniCacids，theReceivesrateoftheaimproductiS94％with4methylanilineInthiSfoundation，hasstudiedthesulfonationreactionprocessof3chlorine一4一methylaniline，3，4dichloraniline