研究目的
Investigating the degradation of methyl orange using a TiO2/BDD composite electrode to promote electrochemical and photoelectro-oxidation processes.
研究成果
The TiO2/BDD composite electrode effectively degrades methyl orange, with PEO showing higher discoloration rates than EO. Hydroxylated derivatives were identified, indicating the potential for complete degradation of azo dyes.
研究不足
The study focuses on the degradation of methyl orange and may not be directly applicable to other azo dyes without further research.
1：Experimental Design and Method Selection:
Electrophoretic deposit of TiO2 over a boron doped diamond plate, annealing at 350 °C to produce a binary TiO2/BDD composite electrode. Characterization by SEM and LSV.
2：Sample Selection and Data Sources:
N,N-dimethyl-p-nitrosoaniline (RNO) as a probe molecule for detecting free radicals during water oxidation in phosphate buffer solution.
3：List of Experimental Equipment and Materials:
TiO2/BDD composite electrode, UVA lamp at 365 nm for PEO tests.
4：Experimental Procedures and Operational Workflow:
Degradation of methyl orange via EO and PEO under different current densities.
5：Data Analysis Methods:
Measurement of discoloration percentage, COD testing, and identification of hydroxylated derivatives by mass spectroscopy.
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