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 humidity | High relative humidity | |
(kJ/mol) | | (kJ/mol) |
| −10 | 3.95 × 10−2 | −6.82 × 102 | 3.08 × 10−6 | −26.69 × 102 | −20 | 2.89 × 10−1 | −2.72 × 102 | 7.82 × 10−5 | −20.68 × 102 | 0 | 1.00 × 102 | 4.55 × 10−3 | 2.36 × 10−4 | −18.95 × 102 | 10 | 8.26 × 102 | 4.98 × 102 | 4.46 × 10−2 | −7.32 × 102 | 20 | 15.32 × 102 | 6.07 × 102 | 1.66 × 10−1 | −4.37 × 102 | 30 | 39.92 × 102 | 9.32 × 102 | 3.74 × 101 | 3.34 × 102 | 40 | 48.09 × 102 | 10.11 × 102 | 25.10 × 102 | 8.39 × 102 | (kJ/mol) | 80 | 178 | (J/mol·K) | 296 | 597 |
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