Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

doi:10.1016/j.cjche.2016.08.022

›› 2017, Vol. 25 ›› Issue (2): 149-152.DOI: 10.1016/j.cjche.2016.08.022

• Selected Papers from the International Chemical Separation Technology Conference (ICSTC) • Previous Articles Next Articles

Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

Hao Sun, Saijian Shi, Zhenggui Gu

School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing Normal University, Nanjing 210023, China

Received:2016-08-08 Revised:2016-08-25 Online:2017-03-14 Published:2017-02-28
Supported by:
Supported by the Key Discipline Construction of 211 Project IV in China (No. 1843202543), Research Innovation Program for College Graduates of Jiangsu Province (No. KYLX15_0728) and Science and Technology Program of Jiangsu Province (No. BY2012003).

Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

Hao Sun, Saijian Shi, Zhenggui Gu

School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing Normal University, Nanjing 210023, China

通讯作者: Zhenggui Gu
基金资助:
Supported by the Key Discipline Construction of 211 Project IV in China (No. 1843202543), Research Innovation Program for College Graduates of Jiangsu Province (No. KYLX15_0728) and Science and Technology Program of Jiangsu Province (No. BY2012003).

Abstract

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.

Key words: Side-stream distillation, Extractive distillation, Isomerization, 2-Methylnaphthalene, Simulation, Catalyst

摘要： 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.

关键词: Side-stream distillation, Extractive distillation, Isomerization, 2-Methylnaphthalene, Simulation, Catalyst

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

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Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene

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