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Technological advances in conversion of heavy aromatics to light aromatics

  

  • Online:2006-09-25 Published:2006-09-25

重芳烃轻质化技术进展

孔德金,祁晓岚,朱志荣,杨为民,谢在库   

  1. 中国石油化工股份有限公司上海石油化工研究院

Abstract: The heavy aromatics are important feedstocks to produce light aromatics. The conversion of heavy aromatics to light aromatics includes many reactions such as hydrodealkylationdisproportionation and transalkylation. The advantages and shortcomings of some representative technologies of the conversion of heavy aromatics to light aromaticssuch as TAC-9ATA-11 and Transplusare analyzed. The key future trends in this field are presented. According to the characteristics of the conversion reactionthe molecular sieves with small particle size and large pore diameter should be chosen as an active ingredient of solid acid catalysts to produce xylene.

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