Performance Evaluation of a Pilot-Scale Aerobic Granular Sludge Integrated with Gravity-Driven Membrane System Treating Domestic Wastewater

Journal article (2023)

Authors

Muhammad Ali King Abdullah University of Science and Technology, Trinity College Dublin
Yogesh Singh King Abdullah University of Science and Technology
Luca Fortunato King Abdullah University of Science and Technology
Zahid Ur Rehman King Abdullah University of Science and Technology
Sarvajith Manjunath King Abdullah University of Science and Technology
J.S. Vrouwenvelder King Abdullah University of Science and Technology
M. Pronk BT/Environmental Biotechnology - AS
Mark C.M. van Loosdrecht BT/Environmental Biotechnology - AS
Pascal E. Saikaly King Abdullah University of Science and Technology
Research Group
BT/Environmental Biotechnology (AS) (TU Delft)
Copyright: © 2023 Muhammad Ali, Yogesh Singh, Luca Fortunato, Zahid Ur Rehman, Sarvajith Manjunath, J.S. Vrouwenvelder, M. Pronk, Mark C.M. van Loosdrecht, Pascal E. Saikaly
DOI: https://doi.org/10.1021/acsestwater.3c00178
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Published Date

2023

Language

English

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Faculty

Applied Sciences

Department

BT/Biotechnologie

Research Group

BT/Environmental Biotechnology

Abstract

This study describes a novel integration of aerobic granular sludge (AGS) with a gravity-driven membrane (GDM) system at a pilot scale with a treatment capacity of approximately 150 L per day to treat raw domestic wastewater. The treatment performance and energy consumption of the AGS-GDM system were compared to the neighboring full-scale aerobic membrane bioreactor (AeMBR), treating the same wastewater at about 4000(±500) m3 per day. The AGS-GDM system demonstrated superior nutrient (nitrogen and phosphorus) removal as compared to the AeMBR. The GDM unit was continuously supplied with AGS-treated effluent. The GDM unit started with high [ >20 L per m2 per h (LMH) ] flux, which gradually declined. The flux remained quite stable after 15 days reaching 3 LMH after 35 days without any physical or chemical cleaning. Our results suggest that AGS-GDM is a viable technology for decentralized wastewater treatment and reuse in water-scarce regions. The AGS-GDM could easily replace conventional AeMBR technology in the wastewater treatment and reclamation market.

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