Melissa lake
Enabling & Support

Closed Loop Concept

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ESA / Enabling & Support / Space Engineering & Technology / Melissa

The driving element of MELiSSA is the recovering of food, water and oxygen from organic waste carbon dioxide and minerals, using light as source of energy to promote biological photosynthesis. It is an assembly of processes (mechanical grinding, bioreactors, filtration, wet oxidation, etc.) aiming at a total conversion of the organic wastes and CO2 to oxygen, water and food. 

It is based on the principle of an "aquatic" lake ecosystem where waste products are processed using the metabolism of plants and algae which in return provide food, air revitalization and water purification.