Carbon Dioxide Adsorption in Nanopores of Coconut Shell Chars for Pore Characterization and the Analysis of Adsorption Kinetics

Table 4

Values of constants in (18) for predicting the effective pore diffusivity of CO₂ () at 273 K in various coconut shell chars.

Carbonization temperature (°C)
250	0.38	−0.06	80.5	4 × 10^−6	0.60	0.6805
350	228	−0.37	182	2.92	4.21	0.9733
450	168	0.25	−15.5	3.61	5.44	0.9725
550	137	−0.28	132	4.57	4.94	0.8923