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

Journal: Bioresource technology 2022;351():127028

PMID: 35318147

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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.

Address: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea; Institute for Ubiquitous Information Technology and Applications, Seoul 05029, Republic of Korea.; Department of Biotechnology, Himachal Pradesh University, Shimla 171005, India.; School of Medical and Allied Sciences, GD Goenka University, Gurugram-122103, Haryana, India.; Department of Chemistry, Umeå University, 90187 Umeå, Sweden.; Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India.; Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Sciences, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, Madhya Pradesh 470003, India.; Department of Food Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea.; School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Republic of Korea.; Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea; Institute for Ubiquitous Information Technology and Applications, Seoul 05029, Republic of Korea. Electronic address: [email protected].

DOI: 10.1016/j.biortech.2022.127028

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MeSH Terms: Bacteria, Biomass, Microalgae, Wastewater, Water Purification