Temperature vs. time sequences to palliate deactivation in parallel and in series-parallel with the main reaction: parametric study |
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| Institution: | 1. Center for Convergent Chemical Process, Korea Research Institute of Chemical Technology, 141 Gjeong-ro, Yuseong, Daejeon 34114, Republic of Korea;2. Department of Advanced Materials and Chemical Engineering, University of Science and Technology (UST), 217 Gajeong-ro, Yuseong, Daejeon 34113, Republic of Korea;3. Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea;1. Department of Chemistry, School of Science, International Hellenic University, Ag. Loukas, 654 04, Kavala, Greece;2. Hephaestus Advanced Laboratory, Division of Petroleum Forensic Fingerprinting, School of Science, International Hellenic University, Ag. Loukas, 654 04, Kavala, Greece |
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| Abstract: | The calculation of temperature vs. time sequences to palliate catalyst deactivation in an integral reactor has been studied either by maintaining constant the conversion at the reactor outlet in a simple reaction or by maintaining constant the concentration of a given component at the outlet in a complex reaction system. The experimental systems studied, which are a simple one (dehydration of 2-ethylhexanol) and a complex one (isomerization of cis-butene), have kinetic models of the Langmuir-Hinshelwood-Hougen-Watson type for the main reaction and deactivation, with deactivation by coke dependent on the concentration of the reaction components. In the reaction of dehydration of 2-ethylhexanol deactivation occurs in parallel with the main reaction and in the isomerization of cis-butene deactivation occurs in series-parallel with the main reaction. A parametric study has been carried out for both reaction systems. The sequences calculated have been experimentally proven in an automated reaction apparatus. |
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