The topic 'Fresh water distillation unit' won the first prize
The theme 'Design of freshwater distillation equipment for household in coastal areas' won the first prize in the final round of Holcim Prize 2011 held on September 20 in Can Tho.Distilled fresh water by solar energy
Using 2 rectangular boxes and pyramids, using solar energy to distill salt water into fresh water, two Can Tho University students have just won the first prize of Holcim Prize