Discovering future research trends of aerobic granular sludge using bibliometric approach

Laila Dina Amalia Purba, Jauharah Md Khudzari, Koji Iwamoto, Shaza Eva Mohamad, Ali Yuzir, Norhayati Abdullah*, Kazuya Shimizu, Joni Hermana

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

21 Citations (Scopus)


The advantageous characteristics of aerobic granular sludge (AGS) have led to their increasing popularities among academics and industrial players. However, there has been no bibliometric report on current and future research trends of AGS. This study utilized the available reports of AGS in the Scopus database for comprehensive bibliometric analyses using VOSviewer software. A total of 1203 research articles from 1997 to 2020 were analyzed. The dominance of the Netherlands and China were revealed by the high number of publications and citations. Nevertheless, the Netherlands exhibited higher average citation per article at 76.4. A recent process of AGS involving biochar and algal addition were also identified. Meanwhile, the application of AGS for antibiotic containing wastewater as well as possibility of resource recovery were recently reported and was expected to expand in the future. It was suggested that application of AGS would develop further along with the development of sustainable wastewater treatment process.

Original languageEnglish
Article number114150
JournalJournal of Environmental Management
Publication statusPublished - 1 Feb 2022


  • Aerobic granular sludge (AGS)
  • Bibliometric analysis
  • Countries co-authorship
  • Keywords co-occurrence
  • Scopus database


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