Enhanced sustainable integration of CO2 utilization and wastewater treatment using microalgae in circular economy concept

Junhui Chen, Leilei Dai, Dmitri Mataya, Kirk Cobb, Paul Chen, Roger Ruan

Research output: Contribution to journalReview articlepeer-review

Abstract

Microalgae have been shown to have a promising potential for CO2 utilization and wastewater treatment which still faces the challenges of high resource and energy requirements. The implementation of the circular economy concept is able to address the issues that limit the application of microalgae-based technologies. In this review, a comprehensive discussion on microalgae-based CO2 utilization and wastewater treatment was provided, and the integration of this technology with the circular economy concept, for long-term economic and environmental benefits, was described. Furthermore, technological challenges and feasible strategies towards the improvement of microalgae cultivation were discussed. Finally, necessary regulations and effective policies favoring the implementation of microalgae cultivation into the circular economy were proposed. These are discussed to support sustainable development of microalgae-based bioremediation and bioproduction. This work provides new insights into the implementation of the circular economy concept into microalgae-based CO2 utilization and wastewater treatment to enhance sustainable production.

Original languageEnglish (US)
Article number128188
JournalBioresource Technology
Volume366
DOIs
StatePublished - Dec 2022

Bibliographical note

Funding Information:
The work was supported by the MnDrive Demonstration Project (1000-11032-MNE12-2110465) funded by the University of Minnesota and the State of Minnesota, USA.

Publisher Copyright:
© 2022 Elsevier Ltd

Keywords

  • Carbon dioxide biofixation
  • Microalgae cultivation
  • Policies and regulations
  • Sustainability
  • Wastewater recovery

PubMed: MeSH publication types

  • Journal Article
  • Review

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