Chapter 4Aromatic transformationprocess
Aromatic transformation process Chapter 4
Aromatictransformation processProduction method of aromaticsMain contentsAromatic transformationCsaromatic separation
Aromatic transformation process Main contents 1 2 3 Production method of aromatics Aromatic transformation C8 aromatic separation
4.1 IntroductionMain aromatics and useBenzene,Tolueneand Xylenes (BTX)Csaromatics: Ethyl benzene,mixture of threexyleneisomersMixture xylenes (industrial terms)are the mixtureof ethyl benzeneandthree xylene isomers.C9aromatics:Isopropylbenzene,pseudocumeneand mesitylene
Main aromatics and use ⚫ Benzene, Toluene and Xylenes (BTX) ⚫ C8 aromatics：Ethyl benzene, mixture of three xylene isomers ⚫ Mixture xylenes (industrial terms) are the mixture of ethyl benzene and three xylene isomers. ⚫ C9 aromatics: Isopropylbenzene, pseudocumene and mesitylene 4.1 Introduction
NHOHNONitration[0]OHCH,CH,<CH,Alkylation-C,H,CH=CH, → PolystyreneABS resinBenzeneAlkylbenzene-Detergent(long chain)+Nylon6HexanolactamAddition[0]Hexane diacidAlcohol,ketonePolystyrene聚苯乙烯Hexanolactam己内酰胺，Detergent洗涤剂
Benzene CH3 CH3 CH3 C2H5 CH = CH2 Polystyrene ABS resin Alkyl benzene (long chain) Detergent OH OH NO2 NH2 H2 [O] Addition Hexanolactam Nylon 6 Alcohol, ketone Hexane diacid [O] Nitration Alkylation Hexanolactam 己内酰胺，Detergent 洗涤剂，Polystyrene 聚苯乙烯
DisproportionationBenzene,xylenesDealkylationBenzeneCHOxidation-TerephthalicacidBenzoic acidNitrationTolueneTNT explosiveAlkylationMethyl cumeneCresolTerephthalicacid--对苯二甲酸，Methylcumene--甲基异丙苯，Cresol一甲酚
Toluene CH3 Disproportionation Benzene, xylenes Dealkylation Benzene Oxidation Benzoic acid Terephthalic acid Nitration TNT explosive Alkylation Methyl cumene Cresol Terephthalic acid-对苯二甲酸，Methyl cumene-甲基异丙苯，Cresol—甲酚