Breakthrough solar technology extracts 400% more salt from seawater

https://www.thebrighterside.news/post/breakthrough-solar-technology-extracts-400-more-salt-from-seawater

"rotating hollow cylinder inside solar distiller to accelerate water evaporation... forming thin film  water on outer and inner surface of cylinder...  increase temperature of water under cylinder use solar collector... rotation speed cylinder inside solar distiller 0.5 rpm...  intensity and time evaporate thin film water from surface of cylinder... performance improvement factor... 280% in... hot months... 300% and 400% in cooler months... cumulative water distillation capacity 12.5 l/m2 summer and 3.5 l/m2 per day winter"