Hydrothermal systems to obtain high value-added compounds from macroalgae for bioeconomy and biorefineries

[Display omitted] •Hydrothermal systems are a potential technology for high-value compounds recovery.•Operational conditions play an important role on the macroalgae target compounds.•Energy savings in hydrothermal treatments make them a sustainable alternative.•Macroalgae processing allows to enhan...

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Bibliographic Details
Published in:Bioresource technology 2022-01, Vol.343, p.126017-126017, Article 126017
Main Authors: Morales-Contreras, Blanca E., Flórez-Fernández, Noelia, Dolores Torres, M., Domínguez, Herminia, Rodríguez-Jasso, Rosa M., Ruiz, Héctor A.
Format: Article
Language:English
Subjects:
Biobased chemicals
Engineering platforms
Liquid-hot water pretreatments
Seaweed
Sustainability
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Summary:[Display omitted] •Hydrothermal systems are a potential technology for high-value compounds recovery.•Operational conditions play an important role on the macroalgae target compounds.•Energy savings in hydrothermal treatments make them a sustainable alternative.•Macroalgae processing allows to enhance its application under biorefinery concept. The search of sustainable and environmentally friendly alternatives to obtain compounds for different industrial sectors has grown exponentially. Following the principles of biorefinery and circular bioeconomy, processes in which the use of natural resources such as macroalgae biomass is prioritized are required. This review focuses on a description of the relevance, application and engineering platforms of hydrothermal systems and the operational conditions depending on the target as an innovative technology and bio-based solution for macroalgae fractionation in order to recover profitable products for industries and investors. In this sense, hydrothermal treatments represent a promising alternative for obtaining different high value-added compounds from this biomass; since, the different variations in terms of operating conditions, gives great versatility to this technology compared to other types of processing, allowing it to be adapted depending on the objective, whether it is working under sub/super critical conditions, thus expanding its field of application.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2021.126017