Valorising co-produced oxygen from green hydrogen systems: circular economy pathways in wastewater treatment

Key Points

• The aim is to explore the utilization of co-produced oxygen from green hydrogen systems in wastewater treatment applications.
• Examined potential applications of co-produced oxygen in aeration processes.
• Evaluated oxidant production options like ozone and hydrogen peroxide.
• Assessed impacts on efficiency and emissions in wastewater systems.
• Co-produced oxygen improves aeration efficiency in wastewater treatment.
• Ozone and hydrogen peroxide production can reduce overall emissions.
• Support for circular economy practices in the water sector is highlighted.