CO₂ Capture by Carbon Aerogel–Potassium Carbonate Nanocomposites

Figure 5

Water sorption and CO₂ sorption isotherms. Water sorption isotherms at 303 K for CAs (a) and xCA–KCs (b). CO₂ adsorption isotherms at 273 K under dry conditions for CA (c) and for xCA–KCs (d). Pore widths: black □, 7 nm; green △, 16 nm; red ○, 18 nm.

(a)

(b)

(c)

(d)