Algae and bacteria consortia for wastewater decontamination and transformation into biodiesel, bioethanol, biohydrogen, biofertilizers and animal feed: a review

Uttpal Anand, Satarupa Dey, Dipannita Parial, Stefania Federici, Serena Ducoli, Nanthi S. Bolan, Abhijit Dey, Elza Bontempi

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations

Abstract

Traditional wastewater treatment has been aimed solely at sanitation by removing contaminants, yet actual issues of climate change and depletion of natural resources are calling for methods that both remove contaminants and convert waste into chemicals and fuels. In particular, biological treatments with synergic coupling of microalgae and bacteria appear promising to remove organic, inorganic, and pathogen contaminants and to generate biofuels. Here, we review the use of algae and bacteria in the treatment and valorization of wastewater with focus on cell-to-cell adhesion, wastewater properties, and techniques for algae harvesting and production of biodiesel, bioethanol, biohydrogen, exopolysaccarides, biofertilizers, and animal feeds.

Original languageEnglish
Pages (from-to)1585-1609
Number of pages25
JournalEnvironmental Chemistry Letters
Volume21
Issue number3
DOIs
StatePublished - 1 Jun 2023

Keywords

  • Biodiesel and bioethanol production
  • Biofertilizer production
  • Emerging contaminants removal
  • Microalgae
  • Nutrient removal
  • Wastewater treatment and bioremediation

ASJC Scopus subject areas

  • Environmental Chemistry

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