Omoregie, AI; Alhassan, M; Basri, HF; Muda, K; Campos, LC; Ojuri, OO; Ouahbi, T; (2024) Bibliometric analysis of research trends in biogranulation technology for wastewater treatment. Environmental Science and Pollution Research , 31 (38) pp. 50098-50125. 10.1007/s11356-024-34550-w.

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Abstract

Inadequate management and treatment of wastewater pose significant threats, including environmental pollution, degradation of water quality, depletion of global water resources, and detrimental effects on human well-being. Biogranulation technology has gained increasing traction for treating both domestic and industrial wastewater, garnering interest from researchers and industrial stakeholders alike. However, the literature lacks comprehensive bibliometric analyses that examine and illuminate research hotspots and trends in this field. This study aims to elucidate the global research trajectory of scientific output in biogranulation technology from 1992 to 2022. Utilizing data from the Scopus database, we conducted an extensive analysis, employing VOSviewer and the R-studio package to visualize and map connections and collaborations among authors, countries, and keywords. Our analysis revealed a total of 1703 journal articles published in English. Notably, China emerged as the leading country, Jin Rencun as the foremost author, Bioresource Technology as the dominant journal, and Environmental Science as the prominent subject area, with the Harbin Institute of Technology leading in institutional contributions. The most prominent author keyword identified through VOSviewer analysis was “aerobic granular sludge,” with “sequencing batch reactor” emerging as the dominant research term. Furthermore, our examination using R Studio highlighted “wastewater treatment” and “sewage” as notable research terms within the field. These findings underscore a diverse research landscape encompassing fundamental aspects of granule formation, reactor design, and practical applications. This study offers valuable insights into biogranulation potential for efficient wastewater treatment and environmental remediation, contributing to a sustainable and cleaner future.

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