Research Article
Performance Investigation of O-Ring Vacuum Membrane Distillation Module for Water Desalination
Table 5
Heat flux for evaporation at different vacuum degrees for the PVDF and PTFE membranes.
| | Feed flow rate () (mL/s) | Heat flux, (W), PVDF | Heat flux, (W), PTFE | | vacuum degree kPa at 65°C | vacuum degree kPa at 65°C | | 92 | 94 | 96 | 97 | 92 | 94 | 96 | 97 |
| | 7.7 | 74.2 | 64.5 | 103.2 | 125.8 | 80.6 | 122.5 | 132.2 | 161.2 | | 16.3 | 116.0 | 116.0 | 163.8 | 184.3 | 136.5 | 191.2 | 204.8 | 245.7 | | 27.0 | 158.3 | 158.3 | 226.1 | 260.1 | 192.2 | 260.1 | 271.4 | 328.0 | | 30.6 | 153.8 | 179.4 | 294.7 | 346.0 | 217.8 | 333.2 | 346.0 | 410.1 |
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