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1. Elucidating the complex hydrolysis and conversion network of xanthan-like extracellular heteropolysaccharides in waste activated sludge fermentation

Zhou, Chen-Yuan | Dai, Kun ... - 《water research x》 - 2025,27 - 共10页

摘要：The hydrolysis of structural extracellular | polymeric substances (St-EPS) is considered a major | limiting step in the anaerobic fermentation of waste | activated sludge (WAS). However, the degradation of | heteropolysaccharides, characterized by complex monomers of uronic

关键词： Xanthan-degrading consortium | Heteropolysaccharides | Degradation network | Xanthan lyase | Methane production | ALGINATE-DEGRADING CONSORTIA | SEDIMENTATION | RECOVERY | ENZYME

2. How useful are data-driven methods for building-level greywater treatment from a process engineering perspective?

Wang, Siyuan | Schneider, Mariane Y...... - 《water research x》 - 2025,28 - 共12页

摘要：Data-driven methods are increasingly explored | in various fields, demonstrating their potential | . Compared with reviewing case-specific applications, this | article critically assesses the usefulness of data | -driven methods application from a process engineering

关键词： Building-level greywater reuse | Machine learning models | Data-driven method | Usefulness | Model transferability | ARTIFICIAL NEURAL-NETWORKS | WASTE-WATER TREATMENT | GREY WATER | BIG DATA | REUSE...

3. An integrated strategy for sequential nitrite removal and methane recovery: Sludge fermentation driven by nitrite reduction

Li, Xiaodi | Sun, Mengxue ... - 《water research x》 - 2025,27 - 共9页

摘要：Although the treatment of sludge with free | nitrous acid can effectively recover short chain fatty | acids, the feasibility of sequential nitrite reduction | and methane recovery without acidic pH adjustment is | still scarcely studied. Therefore, this study aimed to

关键词： Nitrite | Methane production | Anaerobic digestion | Waste activated sludge | WASTE ACTIVATED-SLUDGE | FATTY-ACIDS PRODUCTION | FREE NITROUS-ACID | POLYMERIC SUBSTANCES EPS | ANAEROBIC-DIGESTION | POTASSIUM FERRATE...

4. Combined membrane aeration and filtration for energy-and space-efficient COD removal in water reuse

Timmer, Marijn J. | Vaz, Maria Ines ... - 《water research x》 - 2025,27 - 共12页

摘要：Due to climate change and increasing droughts | , wastewater treatment and water reuse are gaining importance | . Yet, the state-of-the-art bubble-aerated membrane | bioreactor (BA-MBR) faces competitiveness challenges due to | its high energy use and maintenance requirements

关键词： Decentralization | Biofilm management | Source separation | Intensification | Greywater | Permeability | GREY WATER | BIOREACTOR | MBR | UNCERTAINTY...

5. Making waves: Rethinking our mission for N2O emissions at WRRFs

Downing, Leon | Farmer, Mckenna ... - 《water research x》 - 2025,28 - 共4页

摘要：Nitrous oxide (N2O) is a potent greenhouse gas | with a global warming potential 273 times that of CO2 | , and it is a significant contributor to ozone | depletion. Water resource recovery facilities (WRRFs) have | been identified as a major source of N2O emissions

关键词： Nitrous oxide | WRRFs | Emissions factors | Mitigation strategies | Anthropogenic nitrogen cycle | Framework | WASTE-WATER TREATMENT | NITROUS-OXIDE

6. Impact of comammox process on membrane-aerated biofilm reactor for autotrophic nitrogen removal

Hou, Jiaying | Zhu, Ying ... - 《water research x》 - 2025,28 - 共11页

摘要：This study compared the simulation results of | the side-stream membrane-aerated biofilm reactor | (MABR) in terms of total nitrogen (TN) removal and N2O | production obtained by the conventional comammox-exclusive | biological nitrogen removal (BNR) model and the novel BNR

关键词： Anammox | Complete ammonium oxidation (comammox) | Membrane-aerated biofilm reactor (MABR) | Modeling | Partial nitritation | WASTE-WATER TREATMENT | OXIDE N2O EMISSIONS | COMPLETE NITRIFICATION | METHANE OXIDATION | DIGESTION LIQUOR...

7. Making waves: Generative artificial intelligence in water distribution networks: Opportunities and challenges

Taiwo, Ridwan | Yussif, Abdul-Mugis ... - 《water research x》 - 2025,28 - 共8页

摘要：Water distribution networks (WDNs) face | increasing challenges from aging infrastructure, population | growth, and climate change, necessitating innovative | technological solutions. This study examines the integration | of Generative Artificial Intelligence (GenAI) in

关键词： Digital water systems | Generative artificial intelligence | Smart water distribution networks | Retrieval-augmented generation | ChatGPT | Reclaimed WDNs | RAG | Multimodal AI | RECLAIMED WATER | DISTRIBUTION-SYSTEMS...

8. Laboratory performance assessment of low-cost water level sensor for field monitoring in the tropics

Ding, Ning | Zhu, Qingchuan ... - 《water research x》 - 2025,27 - 共13页

摘要：As Water Sensitive Urban Design (WSUD) is a | key strategy in integrated urban water management | worldwide, there is a need for robust monitoring of WSUD | systems. Being economical and flexible for operation and | communication, low-cost sensor systems show great potential to

关键词： Low-cost sensor | Measurement performance | Monitoring | Pressure transducer | Water level | ECOSYSTEM | DESIGN

9. Lake dissolved organic matters seasonal variations is a main driver of N2O emission: In molecular insights by using FT-ICR MS

Wang, Zezheng | Li, Lu ... - 《water research x》 - 2025,28 - 共8页

摘要：Anthropogenic activities have introduced | substantial quantities of carbon and nitrogen into aquatic | system, which are hotspots for nitrous oxide emissions | and play multiple roles in the global biogeochemical | cycle. We characterized the seasonal variation of DOM

关键词： Dissolved organic matter | Nitrous oxide emission | Seasonal variation | FT-ICR MS | Microbial mechanism | NITROGEN REMOVAL | RIVERS | OXIDE

10. Pattern recognition of operational states leading to N 2 O-emissions in full-scale biological wastewater treatment

Froemelt, Andreas | Zueger, Leon ... - 《water research x》 - 2025,29 - 共12页

摘要：Given the urgency to reduce greenhouse gas | emissions in the whole economy, the abatement of nitrous | oxide (N2O) built-up in biological wastewater | treatment would be an important contribution of the waste | sector. However, the complexity of N2O-formation in

关键词： Data mining | Greenhouse gas emission | Long-term full-scale dataset | Nitrous oxide (N 2 O) | Operational patterns | Wastewater treatment | N2O EMISSIONS | IDENTIFICATION

摘要：The hydrolysis of structural extracellular | polymeric substances (St-EPS) is considered a major | limiting step in the anaerobic fermentation of waste | activated sludge (WAS). However, the degradation of | heteropolysaccharides, characterized by complex monomers of uronic

关键词： Xanthan-degrading consortium | Heteropolysaccharides | Degradation network | Xanthan lyase | Methane production | ALGINATE-DEGRADING CONSORTIA | SEDIMENTATION | RECOVERY | ENZYME

摘要：Data-driven methods are increasingly explored | in various fields, demonstrating their potential | . Compared with reviewing case-specific applications, this | article critically assesses the usefulness of data | -driven methods application from a process engineering

关键词： Building-level greywater reuse | Machine learning models | Data-driven method | Usefulness | Model transferability | ARTIFICIAL NEURAL-NETWORKS | WASTE-WATER TREATMENT | GREY WATER | BIG DATA | REUSE...

摘要：Although the treatment of sludge with free | nitrous acid can effectively recover short chain fatty | acids, the feasibility of sequential nitrite reduction | and methane recovery without acidic pH adjustment is | still scarcely studied. Therefore, this study aimed to

关键词： Nitrite | Methane production | Anaerobic digestion | Waste activated sludge | WASTE ACTIVATED-SLUDGE | FATTY-ACIDS PRODUCTION | FREE NITROUS-ACID | POLYMERIC SUBSTANCES EPS | ANAEROBIC-DIGESTION | POTASSIUM FERRATE...

摘要：Due to climate change and increasing droughts | , wastewater treatment and water reuse are gaining importance | . Yet, the state-of-the-art bubble-aerated membrane | bioreactor (BA-MBR) faces competitiveness challenges due to | its high energy use and maintenance requirements

关键词： Decentralization | Biofilm management | Source separation | Intensification | Greywater | Permeability | GREY WATER | BIOREACTOR | MBR | UNCERTAINTY...

摘要：Nitrous oxide (N2O) is a potent greenhouse gas | with a global warming potential 273 times that of CO2 | , and it is a significant contributor to ozone | depletion. Water resource recovery facilities (WRRFs) have | been identified as a major source of N2O emissions

关键词： Nitrous oxide | WRRFs | Emissions factors | Mitigation strategies | Anthropogenic nitrogen cycle | Framework | WASTE-WATER TREATMENT | NITROUS-OXIDE

摘要：This study compared the simulation results of | the side-stream membrane-aerated biofilm reactor | (MABR) in terms of total nitrogen (TN) removal and N2O | production obtained by the conventional comammox-exclusive | biological nitrogen removal (BNR) model and the novel BNR

关键词： Anammox | Complete ammonium oxidation (comammox) | Membrane-aerated biofilm reactor (MABR) | Modeling | Partial nitritation | WASTE-WATER TREATMENT | OXIDE N2O EMISSIONS | COMPLETE NITRIFICATION | METHANE OXIDATION | DIGESTION LIQUOR...

摘要：Water distribution networks (WDNs) face | increasing challenges from aging infrastructure, population | growth, and climate change, necessitating innovative | technological solutions. This study examines the integration | of Generative Artificial Intelligence (GenAI) in

关键词： Digital water systems | Generative artificial intelligence | Smart water distribution networks | Retrieval-augmented generation | ChatGPT | Reclaimed WDNs | RAG | Multimodal AI | RECLAIMED WATER | DISTRIBUTION-SYSTEMS...

摘要：As Water Sensitive Urban Design (WSUD) is a | key strategy in integrated urban water management | worldwide, there is a need for robust monitoring of WSUD | systems. Being economical and flexible for operation and | communication, low-cost sensor systems show great potential to

关键词： Low-cost sensor | Measurement performance | Monitoring | Pressure transducer | Water level | ECOSYSTEM | DESIGN

摘要：Anthropogenic activities have introduced | substantial quantities of carbon and nitrogen into aquatic | system, which are hotspots for nitrous oxide emissions | and play multiple roles in the global biogeochemical | cycle. We characterized the seasonal variation of DOM

关键词： Dissolved organic matter | Nitrous oxide emission | Seasonal variation | FT-ICR MS | Microbial mechanism | NITROGEN REMOVAL | RIVERS | OXIDE

摘要：Given the urgency to reduce greenhouse gas | emissions in the whole economy, the abatement of nitrous | oxide (N2O) built-up in biological wastewater | treatment would be an important contribution of the waste | sector. However, the complexity of N2O-formation in

关键词： Data mining | Greenhouse gas emission | Long-term full-scale dataset | Nitrous oxide (N 2 O) | Operational patterns | Wastewater treatment | N2O EMISSIONS | IDENTIFICATION

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