Scale-up of HiGee for CO₂ capture: did evolution of HiGee technology give scale-up a miss?

Abstract

This work addresses the scale-up challenges of HiGee technology for CO₂ capture by proposing two approaches: (1) constructing a scaled-down prototype with a 5 cm axial-length rotor while maintaining key dimensions the same as the plant-scale unit to gather reliable data for scaling up; and (2) employing ab initio Computational Fluid dynamic (CFD) models that integrate heat, mass transfer, and reaction kinetics, removing the need for empirical correlations. Additionally, a method is suggested to reduce computational resource requirements for CFD calculations.