This study shows that BiOCl derived from industrial waste salt achieved a 92.8% degradation of rhodamine B, suggesting efficient resource utilization.
This study synthesized a high-performance BiOCl using a straightforward and efficient hydrolysis process, leveraging chlorine-containing industrial waste salt (IWS) as the primary raw material. The characterization of the as-materials was assessed using SEM, XRD, PL, XPS, UV-Vis DRS, EIS, etc. The BiOCl (GB) derived from IWS exhibited a significant number of oxygen vacancies, substantial exposure of (010) facets, an enlarged surface area, and enhanced absorption of visible light. Photocatalytic experiments revealed that GB could achieve a 92.8% degradation rate of rhodamine B(RhB) under 60 min of illumination, outperforming BiOCl synthesized from NaCl. These results suggest that hydrolysis method is a simple and effective but promising IWS preconditioning and resource utilization strategy.
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Gao et al. (2025) studied this question.
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