interesting ! Thank you Dear moussab.

On average. a solar distiller can yield of distilled water was 4 Liters of distilled water per m^2 per day.

Here is the URL of a relevant article publisged in 2012:

https://ac.els-cdn.com/S1877705812012581/1-s2.0-S1877705812012581-main.pdf?_tid=52c72d83-76a9-4508-98ed-9daedbc8c36b&acdnat=1522962780_e9e9e43332e92a74aed8581a978ae18a

Professor Yehia Khalil, Yale University, USA

Fellow of the University of Oxford, UK

Thank you sir !

your answer very usefull and interesting.

Dear khaoula

Thank you for your answer

In our work the productivity of distillate water is 16L/m²/day it's equivalent of 2L/m² by hours

Hello Ali

Thank you for your answer