Research Article
Recovery of Bacillus licheniformis Alkaline Protease from Supernatant of Fermented Wastewater Sludge Using Ultrafiltration and Its Characterization
Table 2
Characteristics of the membrane.
| Description of membrane | Characteristics of membrane |
| Type | Prep/scale spiral wound TFF-1 | Filter type | Ultrafiltration | Length, cm (in.) | 23.4 (9.2) | Diameter, cm (in.) | 5.8 (2.3) | Minimum working volume (mL) | 150 | pH range | 2.0–13.0 | Configuration | Spiral wound cartridge | Filtration area (m2) | 0.23 | Operation temperature (°C) | 4–50 | Filter material | Regenerated cellulose | Maximum Intel pressure, bar (psi) | 0–5.5 (0–80) | Recirculation rate (L/min) | 1.0–6.0 | Molecular weight cut off (MWCO), kDa | 10 |
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