MESSAI.iO

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MES research in electrode, membrane. Abstract A novel electrooxidation (EO) unit was investigated for disinfect...

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What they did

Substrate
synthetic mixture

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Abstract

Abstract A novel electrooxidation (EO) unit was investigated for disinfecting wastewater, offering a promising alternative. This study continuously treated simulated bacterial wastewater using a mixed metal oxide (MMO) anode, mimicking hospital ward conditions. Optimal disinfection (96% bacterial inactivation) was achieved in continuous mode at a current density of 7.14 mA/cm 2 , 0.2 g/L NaCl, 9 minutes treatment time, and 40 mL/min flow rate. Real sewage wastewater achieved 92% inactivation at 8 minutes under these conditions. The MMO anode remained durable and effective after 300 cycles. EO presents a robust and affordable technology with an electrical consumption of 0.184 kWh/m 3 and an operational cost of $1.88/m 3 . These findings suggest this EO technique is a viable approach for decentralized wastewater treatment in hospital infectious wards, with the potential for real-world application.

Keywords

AnodeWastewaterSewage treatmentSewageOxideMetal

Identifiers

DOI
10.21203/rs.3.rs-6706217/v1
Journal
Research Square
Year
2025