Insights from the MULTISOUTRCE Pilot 1 in France – INRAE – Rhizosph’air

The Rhizosph’air pilot in France, led by INRAE, focused on the treatment of raw domestic wastewater. The system successfully met effluent discharge regulations while exploring the impact of aeration on its hydraulic behaviour. Different aeration strategies were tested to achieve high total nitrogen (TN) removal efficiencies, and different aeration control strategies were optimised for TN removal. Additionally, co-benefits such as educational and energetic indicators were monitored.

Challenges included down periods due to the adaptation of the research infrastructure to accommodate new pilots for other projects. Despite these interruptions, the pilot demonstrated the potential of aeration strategies to enhance wastewater treatment efficiency.

The results of the Rhizosph’air pilot contribute to a broader understanding of how to optimise wastewater treatment processes and highlight the importance of continuous monitoring and adaptation to achieve regulatory compliance and operational efficiency. The insights gained from this pilot can inform future implementations of similar systems, emphasizing the role of innovative aeration techniques in improving wastewater treatment outcomes.

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