“…Consistent with many other PSA studies (Alpay et al, 1993;Lee et al, 1999;Lu et al, 1993;Mohamadinejad et al, 2000), the Ergun equation is used to calculate the pressure drop. Consistent with many other PSA studies (Alpay et al, 1993;Lee et al, 1999;Lu et al, 1993;Mohamadinejad et al, 2000), the Ergun equation is used to calculate the pressure drop.…”