Performance Analysis of Solar Still by Using Octagonal-Pyramid Shape in the Solar Desalination Techniques

Table 2

Economic analysis and payback period of the still.

Sl. No.	Fabrication cost	Maintenance cost/day	Cost of distilled water	Cost of water produced/day		Payback period
Octagonal-pyramid solar still (cost in rupees)	4,000	0.5	15	15	14.5	days