Keywords
microalgae
residue valorization
circularity
Categories
How to Cite
Abstract
This work presents a process design for spirulina production, emphasizing circularity. It analyzes the feasibility of cultivating spirulina in Tumbaco, Ecuador, and proposes a tubular photobioreactor for its culture. A block diagram of the process and a mass balance were developed to quantify the inputs and outputs involved in the production of spirulina powder, from culture to packaging. In addition, a preliminary economic analysis was conducted to evaluate its viability. To apply circularity to the process, the reuse of water and nutrients was discussed. Furthermore, the possibilities of using spirulina as a biosorbent to treat industrial wastewater were explored, transforming a byproduct into an environmental solution. The calculation of costs provided an idea of how economic return would be generated in the future. In contrast, the circular process presented better economic returns, while demonstrating technical viability.
References
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