Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene
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...
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| Published in | Chinese journal of chemical engineering Vol. 25; no. 2; pp. 149 - 152 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
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Elsevier B.V
01.02.2017
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| 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 oroduct, and the yield was 83.84% in refining orocess. |
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| AbstractList | 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. 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 oroduct, and the yield was 83.84% in refining orocess. |
| Author | Hao Sun saijian Shi Zhenggui Gu |
| AuthorAffiliation | School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing Normal University, Nanjing 210023, China |
| Author_xml | – sequence: 1 givenname: Hao surname: Sun fullname: Sun, Hao – sequence: 2 givenname: Saijian surname: Shi fullname: Shi, Saijian – sequence: 3 givenname: Zhenggui surname: Gu fullname: Gu, Zhenggui email: guzhenggui@njnu.edu.cn |
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| Keywords | Extractive distillation Simulation 2-Methylnaphthalene Side-stream distillation Isomerization Catalyst |
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| Notes | 11-3270/TQ 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 oroduct, and the yield was 83.84% in refining orocess. Side-stream distillationExtractive distillationlsomerization2-MethylnaphthaleneSimulationCatalyst |
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| SubjectTerms | 2-Methylnaphthalene 2-甲基萘 Catalyst Extractive distillation Isomerization Side-stream distillation Simulation 制备工艺 异构化 最佳条件 烷基萘 精制过程 萃取精馏 验证实验 |
| Title | Isomerization of alkyl naphthalene and refining of 2-methylnaphthalene |
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