What question did this study set out to answer?

To evaluate the mechanisms, pollutant removal pathways, and artificial intelligence-driven optimization strategies of algal–bacterial granular sludge technology in wastewater treatment.

May 29, 2025WaterOpen Access

Algal–Bacterial Symbiotic Granular Sludge Technology in Wastewater Treatment: A Review on Advances and Future Prospects

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Authors

SCShengnan ChenCentral South University JWJiashuo WangUniversity of Nottingham Ningbo China XFXin FengNanjing Tech University

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Implication

Systematic review demonstrates high nutrient removal and 30–50% aeration energy savings in wastewater, indicating strong potential for sustainable bioremediation.

Key Points

To evaluate the mechanisms, pollutant removal pathways, and artificial intelligence-driven optimization strategies of algal–bacterial granular sludge technology in wastewater treatment.
Synthesized findings on nutrient and heavy metal elimination mechanisms, microalgal oxygenation kinetics, and granular structural stability.
Assessed machine learning predictive models correlating microbial community dynamics with operational parameters such as dissolved oxygen and pH.
Algal–bacterial granular sludge achieves >90% chemical oxygen demand removal, >80% total nitrogen elimination via coupled nitrification–denitrification, and 70–95% phosphorus uptake by polyphosphate-accumulating organisms.
Microalgal photosynthetic oxygenation lowers aeration energy demand by 30–50% relative to conventional activated sludge, maintaining >85% biomass retention under hydraulic shocks.
Machine learning models predict nutrient removal performance within a ±5% error margin under operational windows of dissolved oxygen at 2–4 mg/L and pH at 7.5–8.5.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/6a835de8dd3eabac52f2b793 https://doi.org/10.3390/w17111647

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Implication

Systematic review demonstrates high nutrient removal and 30–50% aeration energy savings in wastewater, indicating strong potential for sustainable bioremediation.

Algal–Bacterial Symbiotic Granular Sludge Technology in Wastewater Treatment: A Review on Advances and Future Prospects

Discussion

Member takes

Implication

Key Points

Cite This Study

Algal–Bacterial Symbiotic Granular Sludge Technology in Wastewater Treatment: A Review on Advances and Future Prospects

Discussion

Member takes

Implication

Key Points

Cite This Study

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