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Treatment of textile effluent containing recalcitrant dyes using MOF derived Fe-ZSM-5 heterogeneous catalyst

机译：使用MOF衍生的Fe-ZSM-5非均相催化剂处理含有克富硫染料的纺织品流出物的处理

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摘要

Iron based heterogeneous catalysts are widely used in many industrial applications including Fenton Oxidation Processes (FOPs) to treat the effluents containing recalcitrant contaminants such as dyes. In this work, Metal-Organic Framework (MOF) derived iron nano oxide particles supported on ZSM-5 zeolite were synthesized under optimized experimental conditions. The Central Composite Design (CCD) method was employed to optimize the yield of the catalyst. The catalyst was then characterized using EDX, SEM, HRTEM, FTIR, STA and BET. Subsequently, the catalytic activity of the catalyst in the Fenton oxidation process was evaluated based on the degradation of the model azo dyes Acid Blue 113, Methyl Orange, and Reactive Black. The optimized experimental yield was 81.5%, which was in agreement with the CCD prediction. Apart from high catalyst yield, excellent mineralization efficiency was obtained where 77%, 71% and 68% of Total Organic Carbon (TOC) removal were achieved for Acid Blue 113, Methyl Orange, and Reactive Black 5, respectively. Based on the yield and activity, it was concluded that the synthesized Fe-ZSM-5 is a promising catalyst for the Fenton oxidation process.
机译：基于铁的异质催化剂广泛应用于许多工业应用，包括芬顿氧化方法（FOPS），以处理含有醋培污染物如染料的污水。在这项工作中，在优化的实验条件下合成了在ZSM-5沸石上负载的金属 - 有机框架（MOF）衍生的铁纳米氧化物颗粒。中央复合设计（CCD）方法用于优化催化剂的产率。然后使用EDX，SEM，HRTEM，FTIR，STA和BET表征催化剂。随后，基于模型亚氮染料酸蓝113，甲基橙和反应性黑色的催化剂在芬顿氧化过程中催化活性。优化的实验产量为81.5％，与CCD预测一致。除了高催化剂产率，分别获得优异的矿化效率，其中分别为酸性蓝113，甲基橙和反应性黑5实现了优异的矿化效率。基于产量和活性，得出结论，合成的Fe-ZSM-5是芬顿氧化过程的有希望的催化剂。

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  • 来源
    《RSC Advances》 |2016年第56期|共11页
  • 作者

    Ahmad Mushtaq; Raman Abdul Aziz Abdul; Basirun Wan Jefrey; Bhargava Suresh K.;

  • 作者单位

    Univ Malaya Fac Engn Dept Chem Engn Kuala Lumpur Malaysia;

    Univ Malaya Fac Engn Dept Chem Engn Kuala Lumpur Malaysia;

    Univ Malaya Dept Chem Fac Sci Kuala Lumpur 59100 Malaysia;

    RMIT Univ Sch Appl Sci Adv Mat &

    Ind Chem Grp Melbourne Vic 3001 Australia;

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  • 正文语种 eng
  • 中图分类 化学;
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