Mapping the field of microalgae CO2 sequestration: a bibliometric analysis

Ren H 1 , Zhou D 2 , Lu J 2 , Show PL 3 , Sun FF 4

Affiliations 

  • 1 School of Environment Science and Civil Engineering, Jiangnan University, Wuxi, 214122, China. renhongyan@jiangnan.edu.cn
  • 2 School of Environment Science and Civil Engineering, Jiangnan University, Wuxi, 214122, China
  • 3 Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia, 43500, Semenyih, Malaysia
  • 4 Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
Environ Sci Pollut Res Int, 2023 Jul;30(32):78030-78040.
PMID: 37311860 DOI: 10.1007/s11356-023-27850-0

Abstract

Microalgae CO2 sequestration has gained considerable attention in the last three decades as a promising technology to slow global warming caused by CO2 emissions. To provide a comprehensive and objective analysis of the research status, hot spots, and frontiers of CO2 fixation by microalgae, a bibliometric approach was recently chosen for review. In this study, 1561 articles (1991-2022) from the Web of Science (WOS) on microalgae CO2 sequestration were screened. A knowledge map of the domain was presented using VOSviewer and CiteSpace. It visually demonstrates the most productive journals (Bioresource Technology), countries (China and USA), funding sources, and top contributors (Cheng J, Chang JS, and their team) in the field of CO2 sequestration by microalgae. The analysis also revealed that research hotspots changed over time and that recent research has focused heavily on improving carbon sequestration efficiency. Finally, commercialization of carbon fixation by microalgae is a key hurdle, and supports from other disciplines could improve carbon sequestration efficiency.

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

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