Table 3.
Parameters and performance of VI operation in SUM-100 and SUM-50 mixers.
| Parameters | SUM-100 Run 1 |
SUM-100 Run 2 |
SUM-50 Run 3 |
|
|---|---|---|---|---|
| Experimental | Protein Concentration (g/L) | 28 | 23 | 24 |
| Initial Volume (L) | 66.5 | 60.7 | 25.3 | |
| Agitation (RPM) | 50 | 70 | 59 | |
| Agitator P/V Ratio (W/m3) | 1.17 | 3.52 | 3.59 | |
| Initial pH | 4.6 | 4.5 | 4.4 | |
| 0.1N HCl Volume (L) | 9.3 | 4.7 | 2.4 | |
| 0.1N HCl Feed Rate (L/h) | 174.0 | 6.2 | 3.1 | |
| Relative 0.1N HCl Feed Rate (L/h/L) | 2.62 | 0.10 | 0.12 | |
| End pH | 3.6 | 3.8 | 3.8 | |
| Duration (min) | 3.2 | 45.2 | 45.5 | |
| Experimental End Mass Fraction | 0.122 | 0.071 | 0.084 | |
| VIN Pool HMW (%) | 7.1 | 1.8 | 1.3 | |
| CFD | Simulated End Mass Fraction | 0.122 | 0.065 | 0.083 |
| End pH 3.3 Iso-Surface (m2) | 0.0330 | 0.00096 | 0.00067 | |
| Integral low pH zone (m3 s) | 2.92 | 0.36 | 0.23 |