Scientists at the University of Belgrade have developed LIQUID 3, an urban photo-bioreactor that contains water and microalgae to produce oxygen. Residents in Serbia are calling these bioreactors liquid trees, as they contain contains six hundred liters of water and works by using microalgae to bind carbon dioxide, thus producking pure oxygen through photosynthesis.
Why use microalgae? It’s 10 to 50 times more efficient than trees, and the research team who developed LIQUID 3 says their goal is not to replace forests or tree planting plans but to use this system to fill those urban pockets where space is limited. In conditions of extreme pollution, like Belgrade, real trees just can’t survive, while algae do not have a problem with the intense levels of pollution
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The photobioreactor is a completely new biotechnological solution for air purification and the production of oxygen. The project is designed to be multifunctional. LIQUID3 is also a bench, it has chargers for mobile phones, as well as a solar panel, thanks to which the bench has lighting during the night,” said Bojan Bojić, head of the Department for Social Affairs and Development Projects in Stari Grad.
