Recent advances on microalgae cultivation for simultaneous biomass production and removal of wastewater pollutants to achieve circular economy

Wan Mahari WA 1 , Wan Razali WA 2 , Manan H 3 , Hersi MA 3 , Ishak SD 3 , Cheah W 4 Show all authors , Chan DJC 5 , Sonne C 6 , Show PL 7 , Lam SS 8

Affiliations 

  • 1 Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Henan 450002, Zhengzhou, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, Terengganu 21030, Kuala Nerus, Malaysia
  • 2 Faculty of Fisheries & Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
  • 3 Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, Terengganu 21030, Kuala Nerus, Malaysia
  • 4 Insitute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur, Malaysia
  • 5 School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
  • 6 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
  • 7 Department of Chemical Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Selangor, Malaysia
  • 8 Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Henan 450002, Zhengzhou, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, Terengganu 21030, Kuala Nerus, Malaysia; Automotive Development Centre (ADC), Institute for Vehicle Systems and Engineering (IVeSE), Universiti Teknologi Malaysia (UTM), Johor Bahru, 81310, Johor, Malaysia; Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India. Electronic address: lam@umt.edu.my
Bioresour Technol, 2022 Nov;364:128085.
PMID: 36220529 DOI: 10.1016/j.biortech.2022.128085

Abstract

Microalgae are known for containing high value compounds and its significant role in sequestering carbon dioxide. This review mainly focuses on the emerging microalgae cultivation technologies such as nanomaterials technology that can improve light distribution during microalgae cultivation, attached cultivation and co-cultivation approaches that can improve growth and proliferation of algal cells, biomass yield and lipid accumulation in microalgal. This review includes a comprehensive discussion on the use of microbubbles technology to enhance aerated bubble capacity in photobioreactor to improve microalgal growth. This is followed by discussion on the role of microalgae as phycoremediation agent in removal of contaminants from wastewater, leading to better water quality and high productivity of shellfish. The review also includes techno-economic assessment of microalgae biorefinery technology, which is useful for scaling up the microalgal biofuel production system or integrated microalgae-shellfish cultivation system to support circular economy.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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