Journal of Chemistry

Research Article

An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash

Table 4

Thermodynamic parameters for CO2 adsorption onto treated fly ash.
(°C)Low relative humidityHigh relative humidity
(kJ/mol) (kJ/mol)
−103.95 × 10−2−6.82 × 1023.08 × 10−6−26.69 × 102
−202.89 × 10−1−2.72 × 1027.82 × 10−5−20.68 × 102
01.00 × 1024.55 × 10−32.36 × 10−4−18.95 × 102
108.26 × 1024.98 × 1024.46 × 10−2−7.32 × 102
2015.32 × 1026.07 × 1021.66 × 10−1−4.37 × 102
3039.92 × 1029.32 × 1023.74 × 1013.34 × 102
4048.09 × 10210.11 × 10225.10 × 1028.39 × 102
(kJ/mol)80178
(J/mol·K)296597