Bibliometric Analysis of Current Status on Bioremediation of Petroleum Contaminated Soils during 2000–2019

Yingjin Song, Ruiyi Li, Guanyi Chen, Beibei Yan, Lei Zhong, Yuxin Wang, Yihang Li, Jinlei Li and Yingxiu Zhang
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Yingjin Song: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Ruiyi Li: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Guanyi Chen: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Beibei Yan: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Lei Zhong: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Yuxin Wang: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Yihang Li: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Jinlei Li: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Yingxiu Zhang: School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China

IJERPH, 2021, vol. 18, issue 16, 1-20

Abstract: Petroleum contaminated soils have become a great concern worldwide. Bioremediation has been widely recognized as one of the most promising technologies and has played an important role in solving the issues of petroleum contaminated soils. In this study, a bibliometric analysis using VOSviewer based on Web of Science data was conducted to provide an overview on the field of bioremediation of petroleum contaminated soils. A total of 7575 articles were analyzed on various aspects of the publication characteristics, such as publication output, countries, institutions, journals, highly cited papers, and keywords. An evaluating indicator, h -index, was applied to characterize the publications. The pace of publishing in this field increased steadily over last 20 years. China accounted for the most publications (1476), followed by the United States (1032). The United States had the highest h -index (86) and also played a central role in the collaboration network among the most productive countries. The Chinese Academy of Sciences was the institution with the largest number of papers (347) and cooperative relations (52). Chemosphere was the most productive journal (360). Our findings indicate that the influence of developing countries has increased over the years, and researchers tend to publish articles in high-quality journals. At present, mainstream research is centered on biostimulation, bioaugmentation, and biosurfactant application. Combined pollution of petroleum hydrocarbons and heavy metals, microbial diversity monitoring, biosurfactant application, and biological combined remediation technology are considered future research hotspots.

Keywords: bioremediation; soil; petroleum contamination; bibliometric analysis; VOSviewer (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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