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[Display omitted] • Experimental analysis of PCM/Ag/Ricinus Communis (PARC) have performed by SS with compare in CSS. • Productivity/thermal efficiency of 28.5%/38.3% (PRC), 66%/44% (ARC), and 96.5%/48.5% (PARC). • Day the yield and thermal efficiency of SS and CSS with and without PARC is increased about 116.4%/51.5%. • Average SS productivity/thermal efficiency for PARC is 124.2%/52%. • An enviro-economic analysis of SS is 0.024 and 0.019 $/L for CSS. • The enviro-parameter of SS and CSS used PARC have 6.67 tons and 14.7- tons of CO 2 per year. This experimental work has been performed in Paraffin wax-phase change materials (P) by analysis of new design for single distiller (SS) tested then verified in P with a mixture of the Ag nanoparticles (A) in Ricinus Communis leaves extracts (RC) to find out which new design of SS performed better at the challenging site is the main objectives. An effect of SS in a water basin was elevated with performance to comparing the CSS. Additionally, the with and without mixing of PCM/Ag/Ricinus Communis (PARC) was employed in the basin of SS, and CSS results indicated the productivity rise/thermal efficiency of 28.5%/38.3% (PRC), 66%/44% (ARC), and 96.5%/48.5% (PARC), respectively. The yield and thermal efficiency were measured at approximately 116.4% and 51.5%, respectively, for the samples (PARC) obtained from the basin areas with (SS) and without (CSS). Finally, the average new SS productivity rise/thermal efficiency for PARC with basin area is showed the highest values of 124.2%/52%. An environmental and economic analysis of SS has been considered and achieved in distillery nature water with budgets were 00.024, then 00.019 $/litter a conventional solar still (without) SS (with) PARC, respectively. The environmental parameters of SS (6.67 tons) and CSS (14.7 tons) used with and without PARC have considered with a CO 2 per annual, individually. [ABSTRACT FROM AUTHOR]

The main aim of the present study is to enhance the output of the solar distiller using hot air produced from the solar air heater (SAH). In this manuscript, two solar stills [conventional solar still (CSS) and CSS-SAH] were fabricated and researched. The performance of the CSS-SAH was experimentally examined at three different water depths (Wd) and compared with the CSS. The SAH act as a water heating element, the heat extracted from the SAH was sent to the basin water of the CSS. The experimental results showed that the maximum daily yield of 4.7 kg/m² was achieved for the CSS-SAH at a minimum Wd. The CSS-SAH has produced 0.34 to 1.8 kg higher yield than the CSS. The study also has shown that CSS-SAH produced 38.3% higher yield than the CSS. The payback period of the CSS, CSS-SAH at 1.5 cm Wd, CSS-SAH at 3 cm Wd, and CSS-SAH at 4.5 cm Wd is 46, 40, 47, and 58 ds, respectively. [ABSTRACT FROM AUTHOR]