Research Article
Year-Round Experimental Analysis of the Productivity of Vapour-Based Multistage Solar Still: A Developmental Study
Table 5
CPL based on the daily distillate yield of the vapour-based MSS-SS.
| 0 | 1 | 2 | 3 | Date | Daily cumulative dist. yield | Annual dist. yield (M) | Cost per litre (CPL) | MSS-SS | MSS-SS + BSS | MSS-SS | MSS-SS + BSS | MSS-SS | MSS-SS + BSS | (Litres) | South African rands (R) |
| 06-Nov-20 | — | — | — | — | — | — | 23-Jun-21 | — | — | — | — | — | — | 29 May-21 | 1.11 | 1.19 | 288.6 | 309.4 | 28.45 | 26.54 | 31 May-21 | 0.45 | 0.58 | 117 | 150.8 | 70.17 | 54.44 | 11 June-21 | 1.97 | 2.17 | 512.2 | 564.2 | 16.03 | 14.55 | 08-Oct-20 | 4.87 | 5.33 | 1266.2 | 1385.8 | 6.48 | 5.92 | 31-Jan-21 | 5.52 | 6.09 | 1435.2 | 1583.4 | 5.72 | 5.19 | 29-Sept-20 | 4.98 | 5.46 | 1294.8 | 1419.6 | 6.34 | 5.78 | 23-Nov-20 | 5.11 | 5.74 | 1328.6 | 1492.4 | 6.18 | 5.50 | 08-Feb-21 | 6.02 | 6.58 | 1565.2 | 1710.8 | 5.25 | 4.80 | 12-Dec-20 | 5.74 | 6.47 | 1492.4 | 1682.2 | 5.50 | 4.88 | 13-Jan-21 | 6.73 | 7.79 | 1749.8 | 2025.4 | 4.69 | 4.05 |
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