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Technological mapping and trends in photobioreactors for the production of microalgae

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Abstract

Photobioreactors (PBRs) are equipment of central importance for the massive cultivation of microalgae, providing controlled conditions for high cell productivity. There are a few popular PBR designs, with contrasting advantages and limitations, such as poor light distribution, mass transfer, or hydrodynamic behavior. Due to the environmental concerns in recent decades and the discovery of new, useful microalgal metabolites, the interest in finding alternatives to solve technological bottlenecks of PBRs has intensified. In this process, new geometries, materials, and modes of light supply were developed, generating a significant scientific and technological output, reported in papers and patents. We present a technological landscape analysis of photobioreactor design, focusing on improvements of the classical geometries and trends in industrial photobioreactors. The analysis of 412 patent documents showed a surge in innovation filing since 2005 and a reduction in the number of new documents along the last decade. The recent efforts in design improvement, the leading countries, institutes and companies that innovate, and the trends in PBR technology are presented and discussed.

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Source Lens (2019), Sustainable Development Goals (2019), and United Nations Framework Convention on Climate Change (2019)

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Source Lens.org, based on the search described in the Methodology

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Acknowledgements

This research was funded by CNPq, the Brazilian National Council for Scientific and Technological Development, Grant Number 407534/2013-0, and CAPES, the Coordination for Improvement of Higher Education Personnel—PROEX program

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Correspondence to J. C. Carvalho or C. R. Soccol.

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Kirnev, P.C.S., Carvalho, J.C., Vandenberghe, L.P.S. et al. Technological mapping and trends in photobioreactors for the production of microalgae. World J Microbiol Biotechnol 36, 42 (2020). https://doi.org/10.1007/s11274-020-02819-0

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  • DOI: https://doi.org/10.1007/s11274-020-02819-0

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