Table 3. Performance of the purification process of AA following scenario 1 of the treatment of DM-DPM medium with the Amberlite MB20 resin in batch or column.
| Parameter | DPM | DM-DPM | DM-DPM MB20 (batch) | DM-DPM MB20 (column) |
|---|---|---|---|---|
| Yield (%) stepa | 100 | 91.0 | 92.0 | 92.0 |
| Yield (%) aggr.b | 100 | 91.0 | 83.7 | 83.7 |
| Purity (%) | 2.4 | 59.8 | 92.6 | 80.4 |
| Purity increase | 1.0 | 24.6 | 38.6 | 33.5 |
| Enrichment factor | 1.0 | 58 | 513 | 164 |
a
Yield in a step with respect to the previous one.
b
Aggregate yield in a step with respect to the starting DPM medium.