CO₂ desorption energies (kJ∙mol⁻¹)

Adsorbents

Physisorbed

Cation---CO₂

Chemisorbed

${\text{HCO}}_3^{-}$

${\text{CO}}_3^{\text{2}-}$

R-NaX

13.47

62.34

u.d

E-CaX

15.77

u.d

81.06

E-BaX

15.17

35.27

80.82