Unlocking the potential of microalgae as sustainable bioresources from up to downstream processing: A critical review

Priskila Adjani Diankristanti, Ngai Hei Ernest Ho, Jih Heng Chen, Dillirani Nagarajan, Chun Yen Chen, Yu Ming Hsieh, I. Son Ng, Jo Shu Chang

Research output: Contribution to journalReview articlepeer-review

Abstract

Microalgae hold tremendous potential as sustainable bioresources in carbon capture, climate change mitigation, and the development of net-zero lifestyles. However, scaling up microalgae cultivation necessitates overcoming obstacles in strain selection, bioreactor design, and cultivation strategies. While microalgae were initially viewed as a simple biomass feedstock for energy security, emerging applications such as wastewater bioremediation, carbon capture, and the production of valuable chemicals have reshaped the overall perspective of microalgae. Exciting advancements in microalgal genetic engineering, encompassing evolutionary approach, CRISPR technology, modular cloning toolkits, and bioinformatics, pave the way for optimizing productivity and minimizing environmental footprints. This review delves into crucial aspects of microalgae cultivation, including harvesting, cell disruption, and waste valorization. Additionally, new understandings of integrative design and life-cycle assessment are discussed alongside the promise of bioenergy production, providing the current stage of development and challenges to handle. Ultimately, this review offers new perspectives on microalgal biotechnology aiming to contribute to an eco-friendly green paradigm.

Original languageEnglish
Article number151124
JournalChemical Engineering Journal
Volume488
DOIs
Publication statusPublished - 2024 May 15

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Environmental Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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