Bioelectrochemical Systems for Groundwater Remediation: The Development Trend and Research Front Revealed by Bibliometric Analysis
Wei Li, Xiaohong Chen, Linshen Xie, Zhao Liu +1
AI summary
82% confidenceThis bibliometric analysis examines 1,729 publications on bioelectrochemical systems (BESs) for groundwater remediation from 1999–2018 using CiteSpace visualization. The field shows significant growth, particularly in China, Germany, and Italy. Research clusters around microbial fuel cells, electron transfer mechanisms, and remediation of diverse contaminants (uranium, nitrate, perchlorate, arsenic). Key research groups focus on dissimilatory metal reduction and exoelectrogenic microorganism applications. The analysis identifies emerging trends in microbial enrichment culture, energy recovery, and combined pollution remediation.
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Abstract
Due to the deficiency of fresh water resources and the deterioration of groundwater quality worldwide, groundwater remedial technologies are especially crucial for preventing groundwater pollution and protecting the precious groundwater resource. Among the remedial alternatives, bioelectrochemical systems have unique advantages on both economic and technological aspects. However, it is rare to see a deep study focused on the information mining and visualization of the publications in this field, and research that can reveal and visualize the development trajectory and trends is scarce. Therefore, this study summarizes the published information in this field from the Web of Science Core Collection of the last two decades (1999–2018) and uses Citespace to quantitatively visualize the relationship of authors, published countries, organizations, funding sources, and journals and detect the research front by analyzing keywords and burst terms. The results indicate that the studies focused on bioelectrochemical systems for groundwater remediation have had a significant increase during the last two decades, especially in China, Germany and Italy. The national research institutes and universities of the USA and the countries mentioned above dominate the research. Environmental Science & Technology, Applied and Environmental Microbiology, and Water Research are the most published journals in this field. The network maps of the keywords and burst terms suggest that reductive microbial diversity, electron transfer, microbial fuel cell, etc., are the research hotspots in recent years, and studies focused on microbial enrichment culture, energy supply/recovery, combined pollution remediation, etc., should be enhanced in future.
Keywords
Identifiers
- Journal
- Water
- Year
- 2019