All issues Volume 72 / No 2 (March–April 2017) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 72 2 (2017) 8 Full HTMLTexture characterization of alumina samples. The value of λ is estimated using the average median pore diameter 
. The coefficients Kd and Kp are calculated with Equations (4) and (3) respectively. The accessible pore volume fraction εt is estimated by εKp.
| Sample | SBET m2/g | ε | dp (Hg) nm | dp (BJH) nm | εt | λ 10−2 | Kp | Kd |
|---|---|---|---|---|---|---|---|---|
| Sample 1 | 240 | 0.69 | 11.3 | 12.9 | 0.68 | 2.64 | 0.948 | 0.944 |
| Sample 2 | 223 | 0.71 | 10.7 | 15.7 | 0.70 | 2.42 | 0.952 | 0.949 |
| Sample 3 | 247 | 0.73 | 10.7 | 15.9 | 0.72 | 2.41 | 0.953 | 0.949 |
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