BS PD ISO/TR 27921:2020

The primary aim of this document is to describe the main compositional characteristics of the CO₂stream downstream of the capture unit, taking into account common purification options. Accordingly,this document will characterize the different types of impurities and present examples of concentrationsdetermined in recent capture pilot projects as well as through literature review. It identifies ranges ofconcentrations, giving priority to in situ measurements when available.