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