Research Article
CO2 Capture by Carbon Aerogel–Potassium Carbonate Nanocomposites
Figure 2
XRD patterns after CO2 capture and regeneration: (a) xCA–KC nanocomposite after CO2 capture under moist conditions; (b) xCA–KC nanocomposites placed under ambient atmosphere after being regenerated at 473 K for 2 h. Pore width: black, 7 nm; green, 16 nm; red, 18 nm. ▼: KHCO3, □: K4H2(CO3)3·1.5H2O, ▽: K2CO3, and ◆: K2CO3⋅1.5H2O.
| (a) |
| (b) |