IIDA Entry Makes Fresh Water

C-Water is one of those concepts that’s too good of an idea not to share. An entry in the Incheon International Design Awards, C-Water boasts water purification possibilities using a simple distillation technique. The power source? The sun. The slim, yet stackable object can float on any calm water surface. Fresh water gets collected in a separate reservoir and the whole thing is compact enough to go portable. Looks like Designboom is spreading the word too.


Designer: Chao Gao

20 Comments

  • Dilapidus says:

    Painting the bottom of the salty side black should improve performance a bit.

  • Dilapidus says:

    Painting the bottom of the salty side black should improve performance a bit.

  • Matt says:

    That is absolute genius concept.
    Just thinking out loud here…I'd be a bit concerned about the ability to float on liquid. Maybe a rubber lining on the bottom of the perimeter of the device? Water tension alone may not be enough to support this. Also, since we're purifying water from a non-potable source like sewage, how about a straw or tube to siphon the potable water while avoiding the drops that linger on the bottom of the container. When the container's tipped over to pour the good water into a container, some of the bad water that the bottom of the container came into contact with will follow. That might be unnecessary though.

  • Matt says:

    That is absolute genius concept.
    Just thinking out loud here…I'd be a bit concerned about the ability to float on liquid. Maybe a rubber lining on the bottom of the perimeter of the device? Water tension alone may not be enough to support this. Also, since we're purifying water from a non-potable source like sewage, how about a straw or tube to siphon the potable water while avoiding the drops that linger on the bottom of the container. When the container's tipped over to pour the good water into a container, some of the bad water that the bottom of the container came into contact with will follow. That might be unnecessary though.

  • asd says:

    lol that idea is a copy. the original is much better than this.

  • asd says:

    lol that idea is a copy. the original is much better than this.

  • Jim says:

    Great idea. Would be really important to put a reflective surface on the fresh water reservoir side to try to keep that water comparatively cool. This is so that it doesn't likewise evaporate and reduce the efficiency of the evaporative water collector from the saltwater side.

  • Jim says:

    Great idea. Would be really important to put a reflective surface on the fresh water reservoir side to try to keep that water comparatively cool. This is so that it doesn't likewise evaporate and reduce the efficiency of the evaporative water collector from the saltwater side.

  • Jonathan Jay says:

    Care to elaborate? If you’re going to insinuate something such as this maybe you’d like to reference the original design or highlight the parts that are better. As is your comment is just annoying.

  • Avinash says:

    However, a rubber lining might make it too heavy. How about we incorporate salt into this device to make it float better?

  • Avinash says:

    However, a rubber lining might make it too heavy. How about we incorporate salt into this device to make it float better?

  • Rahul Shirbhate says:

    Good concept.. I think as per illustration it clearly indicates that, it only operates on shallow water of 2-3 cm depth or on damped sand/soil… so there is no floating issue associated with this.

  • Rahul Shirbhate says:

    Good concept.. I think as per illustration it clearly indicates that, it only operates on shallow water of 2-3 cm depth or on damped sand/soil… so there is no floating issue associated with this.

  • Rahul Shirbhate says:

    It will float on water if gaps sealed from both the sides. Entrapped air in large compartment will not allow water to come inside thus it will help the device to float on water… that’s simple!

  • Rahul Shirbhate says:

    It will float on water if gaps sealed from both the sides. Entrapped air in large compartment will not allow water to come inside thus it will help the device to float on water… that’s simple!

  • Jea says:

    nice design, but how much water can it produce per day? because i think that might be the problem…doesn’t look like it’s efficient enough…

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