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Korean Journal of Chemical Engineering, Vol.17, No.3, 357-364, 2000
Synthesis of Maleic and Phthalic Anhydrides from the Mixture of Cyclopentene and 1-Pentene
The selective oxidations of cyclopentene, 1-pentene, and their mixture to maleic and phthalic anhydrides have been studied to gain information on the total utilization of olefins of C5-fraction. The highest selectivities for maleic anhydride, a single majororganic product, in individual oxidations of cyclopentene and 1-pentene were obtained at complete or almost complete conversion, and then the main byproduct was phthalic anhydride. The cooxidation of the mixture of cyclopentene and 1-pentene at ca. 100% conversion, which was selected as optimized condition, gave no interaction between cyclopentene and 1-pentene. This result indicates that two reactants can be simultaneously utilized at one oxidation unit process. In contrast, the cooxidation at low degrees of conversion gave some interaction. It was only related to the sightly stronger adsorption of cyclopentene as compared to 1-pentene.
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[Cited By]
- Kim YH, Yang HS, Journal of the Korean Industrial and Engineering Chemistry, 11(8), 903, 2000
- Cho YG, Hwang BH, Park DW, Woo HC, Chung JS, Korean Journal of Chemical Engineering, 19(4), 611, 2002
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