Solar Distillation Posted on 21st December 201522nd December 2017 by ThePD (The Project Definition) Solar Distillation is the use of solar energy to evaporate water and collect its condensate within the same closed system. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Technology and tagged technology, water. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.