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通过付克反应用磺酸铁酞菁(FePcS)修饰中孔分子筛HMS,首次得到了一种新型光反应催化剂(简称为HMSFePcS),并用XRD,TG,FTIR,SEM/TEM,元素分析及固体紫外漫反射光谱等手段对催化剂进行了表征.实验结果表明,催化剂能高效地催化H2O2氧化降解孔雀绿染料,光照下,在500ml浓度为0.1mmol/L的孔雀绿溶液中加入0.3ml30%的H2O2和20mgHMSFePcS催化剂,于50℃下反应1200min,脱色率接近100%,总有机碳的去除率达到73%.对孔雀绿光催化降解的机理进行了初步探讨.
A novel photocatalyst (referred to as HMSFePcS) was firstly obtained by modifying mesoporous molecular sieve HMS with FePcS by Friedel-Crafts reaction, and characterized by XRD, TG, FTIR, SEM / TEM, elemental analysis and solid ultraviolet Diffuse reflectance spectroscopy and other means.The experimental results show that the catalyst can efficiently catalyze the oxidative degradation of malachite green dye by H2O2 and add 0.3 ml of 30% H2O2 to 500 ml of malachite green solution with the concentration of 0.1 mmol / L under light irradiation and 20mgHMSFePcS catalyst reacted at 50 ℃ for 1200min, the decolorization rate was close to 100%, and the removal rate of total organic carbon was 73% .The mechanism of photocatalytic degradation of malachite green was also discussed.