Table 5 Conditions for absorption experiments for adsorption of phenol on activated carbon along with the calculated intraparticle diffusivities, and film mass transfer coefficients.
Experiment no. | 1 | 2 | 3 | ||
|---|---|---|---|---|---|
The volume of liquid (L) | 2 | 20 | 200 | ||
Weight of adsorbent (g) | 1.2 | 12 | 120 | ||
Equal Impeller Reynolds Number | |||||
The rotational speed of impeller (RPM) | 500 | 278 | 108 | 60 | 65 |
Optimum diffusivity of resin DS×10−8 (cm2/sec) | 9 | 9 | 9 | 9 | 9 |
Optimum film mass transfer coefficient k ×10−3 (cm/sec) | 5.5 | 5.7 | 4.5 | 4.8 | 2.7 |
Equal Power to Volume Ratio (P/V) | |||||
The rotational speed of impeller (RPM) | 543 | 195 | 325 | 60 | 180 |
Optimum diffusivity of resin DS×10−8 (cm2/sec) | 9 | 9 | 9 | 9 | 9 |
Optimum film mass transfer coefficient k ×10−3 (cm/sec) | 5.3 | 5.6 | 5.3 | 5.6 | 5.3 |
