Video Experimental Relacionado

Updated: Feb 9, 2026

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Electroreducción mediada por H* atómico para la purificación de aguas residuales industriales: Perspectivas sobre

Jia Yuan¹, Chunyu Wang², Xinrui Yuan²

¹Chaohu Regional Collaborative Technology Service Center for Rural Revitalization of AnHui Province, School of Biological and Environmental Engineering, Chaohu University, Hefei, 238000, China; State Key Laboratory of Water Pollution Control and Green Resource Recycling, Tongji Advanced Membrane Technology Center, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China.

Journal of environmental management

|February 7, 2026

Abstract:

Due to the excessive chemical-energy consumption, conventional treatments (e.g. Fenton or catalytic ozonation) have faced great challenges when treating chemical wastewater containing tetrabromobisphenol S (TBBPS), a prevalent brominated flame retardant. This study proposes an electrocatalytic active atomic hydrogen (H*)-mediated electroreduction strategy, enabling enhanced degradation of TBBPS into intermediates with lower toxicity and higher biodegradability. A palladium-modified electrocatalytic microfiltration membrane (EMM) was developed to efficiently generate H*, which played a dominant role in the reductive debromination of TBBPS. By conducting quenching experiments, it was found that free H* and adsorbed H* co-dominate the TBBPS removal process. Under optimized conditions, the EMM achieved nearly complete removal (∼100%) of TBBPS (100 mg L^-1) within 60 min, with a low energy consumption of 9.53 kWh/m³. The degradation pathway of TBBPS was proposed on the results of calculations and LC-MS analysis, and the evidence demonstrated the lower toxicity of the degradation intermediates. These findings emphasize the prospects of H*-mediated electroreduction strategy as a green and environmentally friendly treatment for industrial wastewater treatment.

Palabras clave:

Hidrógeno atómico activo Sistema de electroreducción Tratamiento de aguas residuales industriales Purificación y detoxificación Tetrabromobisfenol S

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