Publications

End-to-end autonomous and resilient operability strategy of full-scale PN-SBR system: From influent augmentation to AI-aided optimal control and scheduling
This study developed an artificial intelligence (AI)-driven autonomous resilient operation of partial nitrification (PN) process to …
SungKu Heo, Juin Yau Lim, Hai-Tra Nguyen, Paulina Vilela, Usman Safder, TaeYong Woo, SangYoon Kim, Taeseok Oh, ChangKyoo Yoo
Posted Jul 1, 2023
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A Brief Insight into the Toxicity Conundrum: Modeling, Measuring, Monitoring and Evaluating Ecotoxicity for Water Quality towards Environmental Sustainability
In view of the continuous increment of industrial residues, the risk associated with chemical toxicity in the environment has piqued …
Paulina Vilela, Gabriel Jácome, Wladimir Moya, Pouya Ifaei, SungKu Heo, ChangKyoo Yoo
Posted May 31, 2023
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A multi-agent AI reinforcement-based digital multi-solution for optimal operation of a full-scale wastewater treatment plant under various influent conditions
Optimal operating systems have been widely employed to improve the economic and environmental performance of wastewater treatment …
KiJeon Nam, SungKu Heo, SangYoun Kim, ChangKyoo Yoo
Posted Apr 1, 2023
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Explainable multisensor fusion-based automatic reconciliation and imputation of faulty and missing data in membrane bioreactor plants for fouling alleviation and energy saving
A membrane bioreactor (MBR) is a crucial wastewater treatment unit that requires continuous and precise monitoring to ensure stable …
Abdulrahman H Ba-Alawi, KiJeon Nam, SungKu Heo, TaeYong Woo, Hanaa Aamer, ChangKyoo Yoo
Posted Jan 15, 2023
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Data-centric XAI-driven data imputation of molecular structure and QSAR model for toxicity prediction of 3D printing chemicals
As accessibility to 3D printers increases, there is a growing frequency of exposure to chemicals associated with 3D printing. However, …
ChanHyeok Jeong, SangYoun Kim, SungKu Heo, Shahzeb Tariq, MinHyeok Shin, ChangKyoo Yoo
Posted Jan 1, 2023
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XAI-Assisted multi-agent deep reinforcement learning for a guaranteed autonomous control system of sequencing batch reactor for sustainable wastewater management. Foundations of Computer Aided Process Operations
Wastewater treatment plants (WWTP) were invented to treat wastewater pollutants from various industrial sector; in nowadays, it is also …
S Heo, T Woo, S Kim, C Yoo
Posted Jan 1, 2023
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Explainable AI-driven net-zero carbon roadmap for petrochemical industry considering stochastic scenarios of remotely sensed offshore wind energy
Recently, several countries have focused on industrial decarbonization to ensure that the net emissions of carbon dioxide reach zero …
SungKu Heo, Jaerak Ko, SangYoun Kim, ChanHyeok Jeong, Soonho Hwangbo, ChangKyoo Yoo
Posted Dec 15, 2022
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Three energy self-sufficient networks of wastewater treatment plants developed by nonlinear bi-level optimization models in Jeju Island
Classical consumer communities are gradually turning to energy prosumers who employ innovative and self-sufficient systems. Despite the …
TaeYong Woo, Amir Saman Tayerani Charmchi, Pouya Ifaei, SungKu Heo, KiJeon Nam, ChangKyoo Yoo
Posted Dec 15, 2022
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A GRAPH-BASED MONITORING FRAMEWORK OF SLUDGE BULKING IN INDUSTRIAL WASTEWATER TREATMENT PLANTS VIA DYNAMIC GRAPH EMBEDDING AND BAYESIAN NETWORKS
Sludge bulking affects wastewater treatment plants (WWTPs), lowering effluent quality and spreading pollution on discharge areas. The …
Jorge Loy-Benitez, Shahzeb Tariq, SungKu Heo, TaeYong Woo, SangYoun Kim, ChangKyoo Yoo
Posted Oct 24, 2022
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Dynamic calibration of process-wide partial-nitritation modeling with airlift granular for nitrogen removal in a full-scale wastewater treatment plant
A main challenge in rapid nitrogen removal from rejected water in wastewater treatment plants (WWTPs) is growth of biomass by …
Paulina Vilela, Usman Safder, SungKu Heo, Hai-Tra Nguyen, Juin Yau Lim, KiJeon Nam, Tae-Seok Oh, ChangKyoo Yoo
Posted Oct 1, 2022
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