CO2 mitigation and phycoremediation of industrial flue gas and wastewater via microalgae-bacteria consortium: Possibilities and challenges

Shir Reen Chia, Kit Wayne Chew, Hui Yi Leong, Shih Hsin Ho, Heli Siti Halimatul Munawaroh, Pau Loke Show

Research output: Contribution to journalReview articlepeer-review

81 Scopus citations

Abstract

Climate change due to increasing CO2 emissions from industries with severe environmental pollution from wastewater due to rising global population and production plants. Current approaches in treating wastewater and flue gases are expensive processes requiring high operating costs. Hence, efficient strategies to utilize flue gases and simultaneously treat wastewater is in desperate need to tackle the current situation. One of the potential solutions is to cultivate microalgae-bacteria consortium using industrial flue gas and wastewater, where the nutrients and organic matters within flue gas and wastewater are consumed for the growth of microalgae-bacteria consortium. The production of biomass from the consortium can be further transformed into sources of biofuel, valuable metabolites and animal feed. This review explores the mechanisms of CO2 mitigation and phycoremediation through microalgae-bacteria consortium along with possible future prospects.

Original languageBritish English
Article number131436
JournalChemical Engineering Journal
Volume425
DOIs
StatePublished - 1 Dec 2021

Keywords

  • Co-culturing
  • Microalgae-bacteria consortium
  • Nutrient removal
  • Phycoremediation
  • Wastewater treatment, CO mitigation

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