Key parameters controlling selectivity and conversion in OCM: from experiments and modelling, towards an optimised reactor design

Abstract

SSCI-VIDE+ING+YSC:CMIInternational audienceThe present work focuses on the engineering descriptor Volume-to-Surface (V/S) ratio required for designing an Oxidative coupling of Methane (OCM) reactor. This parameter is analysed against catalytic performance (activity, C2 selectivity and ethylene-to-ethane ratio) for two Sr-La/CaO and Mn/Na/WSiO2 OCM catalysts. In parallel, changes of that parameter are calculated from a micro-kinetic model and the convergence between experiments and calculations is analysed. From this analysis, guide-lines are proposed for further reactor design