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Synthesis of 2,6-dimethylnaphthalene by methylation of 2-methylnaphthalene on mesoporous ZSM-5 by desilication

Paper ID Volume ID Publish Year Pages File Format Full-Text
51944 46859 2008 5 PDF Available
Title
Synthesis of 2,6-dimethylnaphthalene by methylation of 2-methylnaphthalene on mesoporous ZSM-5 by desilication
Abstract

Mesoporous ZSM-5 was prepared by NaOH-treatment of ZSM-5 and examined for selective synthesis of 2,6-dimethylnaphthalene (2,6-DMN). The results showed that mesopores were formed owing to desilication. The catalytic activities and lifetime were significantly enhanced with increasing treatment time. About 37% 2-methylnaphthalene(MN) conversion, compared to 5.3% on parent ZSM-5, was obtained at 10.25 h on mesoporous ZSM-5 by 8 h NaOH-treatment. It is thought that mesopores in alkaline-treated ZSM-5 result in higher catalytic activities and longer lifetime. Higher 2,6-/2,7-DMN ratio, selectivity and yield of 2,6-DMN were obtained on modified mesoporous ZSM-5 with Zr.

Keywords
Mesoporous ZSM-5; Desilication; 2-Methylnaphthalene; 2,6-Dimethylnaphthalene; Zr
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Synthesis of 2,6-dimethylnaphthalene by methylation of 2-methylnaphthalene on mesoporous ZSM-5 by desilication
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 3, 15 December 2008, Pages 336–340
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Full-text PDF Download
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