Design of a radio frequency heated isothermal micro-trickle bed reactor

Sourav Chatterjee, Volkan Degirmenci, Farid Aiouache, Evgeny V. Rebrov

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

A near-isothermal micro-trickle bed reactor operated under radio frequency heating was developed. The reactor bed was packed with nickel ferrite micro-particles of 110. μm diameter, generating heat by the application of RF field at 180. kHz. Hydrodynamics in a co-current configuration was analysed and heat transfer rates were determined at temperature ranging from 55 to 100. °C. A multi-zone reactor bed of several heating and catalytic zones was proposed in order to achieve near-isothermal operations. Exact positioning, number of the heating zones and length of the heating zones composed of a mixture of nickel ferrite and a catalyst were determined by solving a one dimensional model of heat transfer by conduction and convection. The conductive losses contributed up to 30% in the total thermal losses from the reactor. Three heating zones were required to obtain an isothermal length of 50. mm with a temperature non-uniformity of 2. K. A good agreement between the modelling and experimental results was obtained for temperature profiles of the reactor.
Original languageEnglish
Pages (from-to)225-233
Number of pages9
JournalChemical Engineering Journal
Volume243
Early online date03 Jan 2014
DOIs
Publication statusPublished - 01 May 2014

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