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From the problem to the solution: Chitosan valorization cycle.

Irene Junceda-Mena1, Eduardo García-Junceda1, Julia Revuelta1

  • 1BioGlycoChem Group, Departamento de Química Bio-Orgánica, Instituto de Química Orgánica General, CSIC (IQOG-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain.

Carbohydrate Polymers
|March 11, 2023
PubMed
Summary

Fisheries waste poses a global challenge. Valorizing chitin into chitosan membranes offers a sustainable solution for wastewater remediation, promoting a circular economy in marine resource management.

Keywords:
Blue circular economyChitinChitosanFisheriesMembranesWastewater remediation

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Area of Science:

  • Marine Biology
  • Environmental Science
  • Materials Science

Background:

  • Fisheries waste is a growing global issue, impacting marine ecosystems and resource management.
  • Valorizing fisheries byproducts offers a sustainable approach to mitigate marine pollution and enhance the fisheries sector.
  • Current industrial implementation of waste valorization strategies, like chitosan production, remains slow despite significant potential.

Purpose of the Study:

  • To explore the valorization cycle of chitin, transforming waste into valuable products.
  • To develop chitosan-based membranes for effective wastewater remediation.
  • To promote a sustainable and circular economy model for marine resource utilization.

Main Methods:

  • Extraction of chitin from shellfish waste.
  • Conversion of chitin into chitosan.
  • Fabrication of chitosan-based membranes.
  • Testing membrane efficacy in wastewater treatment.

Main Results:

  • Chitin can be successfully converted into chitosan.
  • Chitosan-based membranes demonstrate potential for wastewater remediation.
  • The valorization process contributes to waste reduction and resource management.

Conclusions:

  • Developing a "bluer" chitosan valorization cycle is essential for sustainability and circular economy principles.
  • Chitosan-based membranes offer a viable solution for addressing fisheries waste and water pollution.
  • Further industrial implementation is needed to fully realize the potential of chitin valorization.