An overview on microalgal-bacterial granular consortia for resource recovery and wastewater treatment

Shashi Kant Bhatia, Vishal Ahuja, Neha Chandel, Sanjeet Mehariya, Pradeep Kumar, Vandana Vinayak, Ganesh Dattatraya Saratale, Tirath Raj, Sang Hyoun Kim, Yung Hun Yang

Research output: Contribution to journalReview articlepeer-review

56 Scopus citations

Abstract

Excessive generation of wastewater is a matter of concern around the globe. Wastewater treatment utilizing a microalgae-mediated process is considered an eco-friendly and sustainable method of wastewater treatment. However, low biomass productivity, costly harvesting process, and energy extensive cultivation process are the major bottleneck. The use of the microalgal-bacteria granular consortia (MBGC) process is economic and requires less energy. For efficient utilization of MBGC, knowledge of its structure, composition and interaction are important. Various microscopic, molecular and metabolomics techniques play a significant role in understating consortia structure and interaction between partners. Microalgal-bacteria granular consortia structure is affected by various cultivation parameters like pH, temperature, light intensity, salinity, and the presence of other pollutants in wastewater. In this article, a critical evaluation of recent literature was carried out to develop an understanding related to interaction behavior that can help to engineer consortia having efficient nutrient removal capacity with reduced energy consumption.

Original languageEnglish
Article number127028
JournalBioresource Technology
Volume351
DOIs
StatePublished - May 2022

Keywords

  • Microalgal-bacteria granular consortia
  • Pollutants
  • Resource recovery
  • Sustainable
  • Wastewater treatment

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