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http://dx.doi.org/10.14478/ace.2013.1107

Isomerization of Endo-tetrahydrodicyclopentadiene over Y Zeolite Catalysts  

Kim, Jinhan (Department of Chemical Engineering, Kongju National University)
Kim, Ji-Yun (Department of Chemical Engineering, Kongju National University)
Park, Eunseo (Department of Chemical Engineering, Kongju National University)
Han, Jeongsik (Agency for Defense Development)
Kwon, Tae Soo (Poongsan R&D Institute)
Park, Young-Kwon (School of Environmental Engineering, University of Seoul)
Jeon, Jong-Ki (Department of Chemical Engineering, Kongju National University)
Publication Information
Applied Chemistry for Engineering / v.25, no.1, 2014 , pp. 66-71 More about this Journal
Abstract
Synthesis of exo-tetrahydrodicyclopentadiene (exo-THDCPD) through the isomerization of endo-tetrahydrodicyclopentadiene (endo-THDCPD) was investigated over HY zeolite catalysts. Conversion of endo-THDCPD increased with the increase of $Si/Al_2$ ratio of HY zeolite catalysts, which can be attributed to increase of acid strength with increase of $Si/Al_2$ ratio. Yield of exo-THDCPD, however, was the highest over HY with $Si/Al_2$ ratio of 30, because the production of cyclopentadiene and oligomers was minimized. The optimal reaction temperature was $180^{\circ}C$ because the higher reaction temperature increased the production of by-products. The yield of exo-THDCPD also increased with the amount of the catalyst in feed. In the isomerization reaction of endo-THDCPD using the HY zeolite catalysts, it was confirmed that the internal diffusion resistance in the pore of catalysts would have more significant effects on the reaction activity than that of the external diffusion resistance of catalysts.
Keywords
exo-tetrahydrodicyclopentadiene; Y zeolite; acid strength; isomerization; endo-tetrahydrodicyclopentadiene;
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Times Cited By KSCI : 2  (Citation Analysis)
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