Details

Autor(en) / Beteiligte

• Tang, Qi
• Liu, Jinyuan
• Han, Huimin
• Jia, Shihao
• Guo, Yiru
• Liu, Gaopeng
• Wang, Bin
• Li, Huaming
• Wang, Chongtai
• Xu, Hui
• Hua, Yingjie

Titel

Synergistic photocatalysis of oxygen-enriched vacancy BiOBr based on rice husk biochar: Efficient seawater purification achieved by carrier directional migration

Ist Teil von

• Process safety and environmental protection, 2024-09, Vol.189, p.505-516

Ort / Verlag

Elsevier Ltd

Erscheinungsjahr

2024

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Addressing seawater pollution is crucial for the efficient utilization of seawater resources. Employing solar-driven seawater purification emerges as an ideal solution for the future renewable energy landscape. Herein, biomass carbon and oxygen-enriched defect materials were selected to design a high-performance photocatalyst for seawater purification. The strategic combination of defect energy levels and electron-conducting carbon enhances the directional migration and separation of photogenerated particles, thereby boosting the overall photocatalytic efficiency in seawater purification. In the simulated seawater experiment, ROV-BOB/RHC-3 exhibits significant resistant to conventional ions interference during purification. Transitioning to real seawater experiments, ROV-BOB/RHC-3 exhibits impressive removal performance for RhB and TC, achieving substantial purification in 10 L of seawater under natural sunlight. Combine free radical trapping experiments and electron spin resonance (ESR) analysis shows that reactive oxygen species (•O2- and 1O2) are responsible in purification. The project provides a practical and effective basis for further research on efficient biomass carbon-based photocatalysts to seawater purification. [Display omitted]