Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

Hao Sun; Saijian Shi; Zhenggui Gu

doi:10.1016/j.cjche.2016.08.022

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Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

Selected Papers from the International Chemical Separation Technology Conference (ICSTC) | Updated：2026-01-06

- Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene
- Chinese Journal of Chemical Engineering Vol. 25, Issue 2, Pages: 149-152(2017)
- Affiliations：
  
  School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing Normal University,Nanjing,China,210023
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.08.022
  CLC：
- Published：2017
- Accepted：
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Hao Sun, Saijian Shi, Zhenggui Gu. Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene[J]. , 2017, 25(2): 149-152.
DOI：

Hao Sun, Saijian Shi, Zhenggui Gu. Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene[J]. , 2017, 25(2): 149-152. DOI： 10.1016/j.cjche.2016.08.022.

摘要

Abstract

A preparation process of 2-methylnaphthalene (2-MN) was proposed by isomerization

side-stream distillation and extractive distillation. The isomerization of alkyl naphthalene was catalyzed by acid-treated HBEA zeolites

and the 2-MN selectivity of isomerization was 92.70%. Side-stream distillation and extractive distillation were investigated by simulation

and effects of operation parameters on 2-MN were studied. Further

the simulated results were verified by experiment. Under the optimal condition

the mass fraction of 2-MN reached to 98.09% in the product

and the yield was 83.84% in refining process.

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