Fractionation of concrete with liquid CO2
Liquid CO2 fractionation of concrete was carried out in a similar
experimental set-up at the same temperature and pressure
as mentioned above.The concrete (3 g) was mixed with cleaned
3mmglass beads, which filled the Soxhlet apparatus to half.
In the light of optimization done for CO2 fractionation in the case of other floral concretes, a two stage 90 min fractionation was chosen.