The Scientific World Journal / 2014 / Article / Tab 4 / Review Article
Carbon Dioxide Separation from Flue Gases: A Technological Review Emphasizing Reduction in Greenhouse Gas Emissions Table 4 Adsorption capacity of physical adsorbents for post-combustion CO2 .
Sorbent Operating temperature (K) Operating pressure (kPa) CO2 capture capacity (mol CO2 /kg sorbent) Regeneration cycles,
CO2 capture capacity remained after
cycles (%) Reference Activated carbon 303 110 1.58 n.a. n.a. [93 ] AC (4% KOH) 303 30 0.55 n.a. n.a. [93 ] AC (EDA + EtOH) 303 30 0.53 n.a. n.a. [93 ] AC (4% KOH + EDA + EtOH) 303 30 0.64 n.a. n.a. [45 , 70 , 79 ] NiO-ACs 298 101 2.227 n.a. n.a. [104 ] 13X 393 15.198 0.7 n.a. n.a. [105 ] 5A 393 15.198 0.38 n.a. n.a. [105 , 106 ] 4A 393 15.198 0.5 n.a. n.a. [105 ] WEG-592 393 15.198 0.6 n.a. n.a. [105 ] APG-II 393 15.198 0.38 n.a. n.a. [105 ] Na-Y 273 10.132 4.9 n.a. n.a. [105 ] Na-X 373 101.32 1.24 2 n.a. [105 ] NaKA 373 101.32 3.88 — n.a. [105 ] NaX-h 323 101.32 2.52 2 n.a. [105 ] NaX-h 373 101.32 1.37 2 n.a. [105 ] Na-X-c 323 101.32 2.14 2 n.a. [105 ] Na-X-c 373 101.32 1.41 2 n.a. [105 ] Cs-X-h 323 101.32 2.42 2 n.a. [105 ] Cs-X-h 373 101.32 1.48 2 n.a. [105 ] Cs-X-c 323 101.32 1.76 2 n.a. [105 ] Cs-X-c 373 101.32 1.15 n.a. n.a. [105 ] MCM-41 298 100 0.62 n.a. n.a. [93 ] MCM-41 (DEA) 348 100 1.26 n.a. n.a. [93 ] MCM-41 (50% PEI) 348 100 2.52 n.a. n.a. [93 ] Activated carbon 303 30 0.35 n.a. n.a. [93 ] MCM-41 (50% PEI) “molecular basket” 348 100 2.95 n.a. n.a. [93 ] PE-MCM-41 298 100 0.50 n.a. n.a. [93 ] PE-MCM-41 (TRI) 298 100 2.85 n.a. n.a. [93 ] PE-MCM-41 (DEA) 348 100 2.36 n.a. n.a. [93 ] MCM-48 298 100 0.033 n.a. n.a. [93 ] MCM-48 (APTS) 298 100 0.639 n.a. n.a. [93 ] MCM-41 298 100 0.62 n.a. n.a. [93 ] Molecular basket’ MCM-41 (50% PEI) 348 100 2.5 8 96.0 [93 ] PE-MCM-41 (TRI) 298 100 1.8 10 94.4 [93 ] PE-MCM-41 (DEA) 298 100 2.9 7 96.6 [93 ] MWNT 303 101 1.7 20 n.a. [4 , 93 ] Unmodified [(Cu3 (btc)2 ]* 298 1818 6.7 n.a. n.a. [101 ] CNT@ (Cu3 (btc)2 ) 298 1818 13.52 n.a. n.a. [101 ] MIL-101** 298 1010 0.84 n.a. n.a. [101 ] MWCNT@MIL-101 298 1010 1.35 n.a. n.a. [101 ] MOF-2 298 4545 3.20 n.a. n.a. [107 ] MOF-177 298 4545 33.5 n.a. n.a. [107 ] Zr-MOFs 273 988 8.1 n.a. n.a. [107 ] Ca-Al LDH with
406 1 3.55 n.a. n.a. [108 ] Pd-GNP nanocomposite 298 1111 5.1 n.a. n.a. [109 ] f-GNP 298 1111 4.3 n.a. n.a. [109 ] Pd-GNP nanocomposite 298 1111 4.5 n.a. n.a. [109 ] f-GNP 298 1111 3.8 n.a. n.a. [109 ] Pd-GNP nanocomposite 298 1111 4.1 n.a. n.a. [109 ] f-GNP 298 1111 3.3 n.a. n.a. [109 ] Ceria-based oxides doped with 5% gallium (III) 298 101 0.282 n.a. n.a. [110 ] Amine modified layered double hydroxides (LDHs) 298–353 101 0.74–1.75 n.a. n.a. [108 ]
*Cu3 (btc)2 ; btc: 1,3,5-benzene-tricarboxylate.
**MIL-101 or Cr3 (F,OH)(H2 O)2 O[(O2 C)C6 H4 (CO2 )]3 ·
H2 O (
) is one of the metal organic frameworks with Lewis acid sites that can be activated by removal of guest water molecules.