Progress on microalgae cultivation in wastewater for bioremediation and circular bioeconomy

Azalea Dyah Maysarah Satya, Wai Yan Cheah, Sara Kazemi Yazdi, Yu Shen Cheng, Kuan Shiong Khoo, Dai Viet N. Vo, Xuan Dong Bui, Meththika Vithanage, Pau Loke Show

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Water usage increased alongside its competitiveness due to its finite amount. Yet, many industries still rely on this finite resource thus recalling the need to recirculate their water for production. Circular bioeconomy is presently the new approach emphasizing on the ‘end-of-life’ concept with reusing, recycling, and recovering materials. Microalgae are the ideal source contributing to circular bioeconomy as it exhibits fast growth and adaptability supported by biological rigidity which in turn consumes nutrients, making it an ideal and capable bioremediating agent, therefore allowing water re-use as well as its biomass potential in biorefineries. Nevertheless, there are challenges that still need to be addressed with consideration of recent advances in cultivating microalgae in wastewater. This review aimed to investigate the potential of microalgae biomass cultivated in wastewater. More importantly, how it'll play a role in the circular bioeconomy. This includes an in-depth look at the production of goods coming from wastes tattered by emerging pollutants. These emerging pollutants include microplastics, antibiotics, ever-increasingly sewage water, and heavy metals which have not been comprehensively compared and explored. Therefore, this review is aiming to bring new insights to researchers and industrial stakeholders with interest in green alternatives to eventually contribute towards environmental sustainability.

Original languageBritish English
Article number114948
JournalEnvironmental Research
Volume218
DOIs
StatePublished - 1 Feb 2023

Keywords

  • Bioremediation
  • Circular bioeconomy
  • Emerging contaminants
  • Microalgae

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