Gas-liquid systems with low reaction rates such as hydrogenation and oxidation are widely present in modern industrial processes. These reactions are generally controlled by mass transfer. Therefore
mass transfer intensification in multiphase reaction systems has been one research hotspot in chemical engineering. Except studies on reactors intensified by external field or micro-channel (micro-fluidics)
most studies were focused on traditional reactors with interface scale of millimeter to centimeter by means of stirring and mixing
bubble size distribution
flow pattern
and structure-effect relationship. It has rarely been studied how to build a microinterface system and to evaluate its effects in reactors with a diameter of several meters. In this paper
the microinterface reaction intensification in heterogeneous systems was discussed. The micro-interface definition
microinterface reaction intensification
structure-effect regulation
structure and formation principle of microinterface reactors
techniques of microparticle measurement and interface characterization were briefly described. The challenges and problems in microinterface reaction intensification was also presented for discussion.