Research Article
Coupling Solvent Extraction Units to Cyclic Adsorption Units
Table 4
Amounts of energy involved in the regeneration of the extract (in kJ per litre extract).
| Distillation | Adsorption |
| Step | Energy | Step | Energy |
| Heating to boiling point | 63 | Adsorption (exothermal) | 0 | Solvent evaporation | 948 | Heating 1 bed volumes of methanol to 100°C | 22 | | | Desorption (endothermal) by elution of hot methanol | <1 | | | Heating to boiling point, evaporation of solvent of eluting stream | 151 | Total heat duty | 1011 | | 174 |
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