Sustainability Problem: We are running out of potable water, and the current ways of purifying water are too energy intensive.
- Heat recovery to minimize energy use
- Vapor-compression evaporation – eliminates all toxins from water
- Stirling engine
Stakeholders:
- Governments
- Any citizen in the world
Steps to deploy technology:
- Make it energy efficient
- Find partner to help distribute globally
- Prepare maintenance procedure
makeasmartcity 
This is an important technology especially with growing human population and water scarcity. I think this would be especially beneficial in African countries. Looking forward to following how this technology progresses.
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