Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects

The algal-bacterial aerobic granular sludge (AB-AGS) system, which combines microalgae with aerobic granular sludge, is a sustainable and promising wastewater treatment method. The algae embedded in the aerobic granulation process allow for the algal and bacterial cells in...

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Main Authors: Dhaneswara Ilmasari, Fumitake Nishimura
Format: Article
Language:English
Published: Japan Society on Water Environment 2025-01-01
Series:Journal of Water and Environment Technology
Subjects:
Online Access: https://www.jstage.jst.go.jp/article/jwet/23/2/23_24-080/_pdf
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author Dhaneswara Ilmasari
Fumitake Nishimura
author_facet Dhaneswara Ilmasari
Fumitake Nishimura
author_sort Dhaneswara Ilmasari
collection DOAJ
description The algal-bacterial aerobic granular sludge (AB-AGS) system, which combines microalgae with aerobic granular sludge, is a sustainable and promising wastewater treatment method. The algae embedded in the aerobic granulation process allow for the algal and bacterial cells in the sludge to interact and form granular flocs, which increases the treatment efficiency and helps separate the treated wastewater from the biomass. Additionally, AB-AGS biomass can be harvested for the extraction of biolipids and alginate-like exopolymers, contributing to resource recovery. This study reviews the applications and resource recovery potential of the AB-AGS system, highlighting its proven effectiveness in treating a range of wastewaters, from low-strength municipal to high-strength leachate. Keyword co-occurrences analysis further revealed pollutant removal, extracellular polymeric substances, the microbial community, and wastewater treatment as research hotspots. Research trends indicated by the keywords with the most recent publication year focused on system application and granulation factors. Additionally, an increasing number of studies regarding AB-AGS for saline and antibiotic-containing wastewater have also been reported. This review also identifies several research gaps and suggests directions for future investigations in this field.
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spelling doaj-art-b622480922894aecb1eb20df495ef29e2025-08-20T02:34:29ZengJapan Society on Water EnvironmentJournal of Water and Environment Technology1348-21652025-01-01232577010.2965/jwet.24-08010.2965/jwet.24-080Algal-Bacterial Aerobic Granular Sludge: Applications and Future ProspectsDhaneswara Ilmasari0Fumitake Nishimura1 Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, Otsu, Japan Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, Otsu, Japan The algal-bacterial aerobic granular sludge (AB-AGS) system, which combines microalgae with aerobic granular sludge, is a sustainable and promising wastewater treatment method. The algae embedded in the aerobic granulation process allow for the algal and bacterial cells in the sludge to interact and form granular flocs, which increases the treatment efficiency and helps separate the treated wastewater from the biomass. Additionally, AB-AGS biomass can be harvested for the extraction of biolipids and alginate-like exopolymers, contributing to resource recovery. This study reviews the applications and resource recovery potential of the AB-AGS system, highlighting its proven effectiveness in treating a range of wastewaters, from low-strength municipal to high-strength leachate. Keyword co-occurrences analysis further revealed pollutant removal, extracellular polymeric substances, the microbial community, and wastewater treatment as research hotspots. Research trends indicated by the keywords with the most recent publication year focused on system application and granulation factors. Additionally, an increasing number of studies regarding AB-AGS for saline and antibiotic-containing wastewater have also been reported. This review also identifies several research gaps and suggests directions for future investigations in this field. https://www.jstage.jst.go.jp/article/jwet/23/2/23_24-080/_pdf algal-bacterial aerobic granular sludgewastewater treatmentresource recoverykeyword co-occurrences
spellingShingle Dhaneswara Ilmasari
Fumitake Nishimura
Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
Journal of Water and Environment Technology
algal-bacterial aerobic granular sludge
wastewater treatment
resource recovery
keyword co-occurrences
title Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
title_full Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
title_fullStr Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
title_full_unstemmed Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
title_short Algal-Bacterial Aerobic Granular Sludge: Applications and Future Prospects
title_sort algal bacterial aerobic granular sludge applications and future prospects
topic algal-bacterial aerobic granular sludge
wastewater treatment
resource recovery
keyword co-occurrences
url https://www.jstage.jst.go.jp/article/jwet/23/2/23_24-080/_pdf
work_keys_str_mv AT dhaneswarailmasari algalbacterialaerobicgranularsludgeapplicationsandfutureprospects
AT fumitakenishimura algalbacterialaerobicgranularsludgeapplicationsandfutureprospects