Method for endo- or exo-thermic gas-phase reactions on a solid bed of porous catalyst pellets, e.g. production of phthalic anhydride by partial oxidation, involves using an ionic liquid as direct heat transfer medium

摘要

A method for performing endothermic or exothermic gas-phase reactions on a solid bed of porous catalyst pellets involves supplying or removing the reaction heat by direct heat transfer using a chemically inert ionic liquid medium with a half-life of more than 1 year which is in the liquid state under reaction conditions and is passed through the catalyst bed from top to bottom.