研究目的
Investigating the effectiveness of electro-photocatalytic Fenton (EPF) process for orange G decolorization using TiO2 film-coated stainless steel mesh photo-electrodes prepared by the sol-gel dip-coating method.
研究成果
The EPF process using TiO2 film-coated stainless steel mesh photo-electrodes prepared by the sol-gel dip-coating method is effective for the decolorization of orange G, achieving 78% efficiency in 3 hours. The method enhances TiO2 coating on the substrate and facilitates the in-situ generation of ferrous ions, promoting the EPF reaction for organic matter degradation.
研究不足
The study focuses on the decolorization of orange G and may not be directly applicable to other dyes or organic pollutants without further research. The efficiency of decolorization was 78% after 3 hours, indicating room for improvement in reaction rate and efficiency.
1：Experimental Design and Method Selection:
The study employed a photo-electrochemical process for treating industrial wastewater, specifically focusing on the decolorization of orange G using TiO2 film-coated stainless steel mesh photo-electrodes prepared by the sol-gel dip-coating method.
2：Sample Selection and Data Sources:
Two kinds of photo-electrodes were prepared with TiO2 film-coated stainless steel mesh, incorporating various amounts of P25+TiO2 powders.
3：List of Experimental Equipment and Materials:
Stainless steel mesh, TiO2 sols, P25 TiO2 powders, and equipment for the sol-gel dip-coating method.
4：Experimental Procedures and Operational Workflow:
The photo-electrodes were prepared by a dip-coating method from the sol-gel-derived TiO2 sols. The decolorization performance was evaluated under photocatalytic (PC), electro-Fenton (EF), and EPF processes.
5：Data Analysis Methods:
The kinetics of orange G decolorization were analyzed using a pseudo first-order kinetics model.
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