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Polyhydroxyalkanoates production in biorefineries: A review on current status, challenges and opportunities
Ariane Fátima Murawski de Mello1, Luciana Porto de Souza Vandenberghe1, Clara Matte Borges Machado1
1Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980, Curitiba, Paraná, Brazil.
Abstract:
The need for a sustainable and circular bioeconomy model is imperative due to petroleum non-renewability, scarcity and environmental impacts. Biorefineries systems explore biomass to its maximum, being an important pillar for the development of circular bioeconomy. Polyhydroxyalkanoates (PHAs) can take advantage of biorefineries, as they can be produced using renewable feedstocks, and are potential substitutes for petrochemical plastics. The present work aims to evaluate the current status of the industrial development of PHAs production in biorefineries and PHAs contributions to the bioeconomy, along with future development points. Advancements are noticed when PHA production is coupled in wastewater treatment systems, when residues are used as substrate, and also when analytical methodologies are applied to evaluate the production process, such as the Life Cycle and Techno-Economic Analysis. For the commercial success of PHAs, it is established the need for dedicated investment and policies, in addition to proper collaboration of different society actors.
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