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Effective heterogeneous electro-Fenton process of m-cresol with iron loaded actived carbon

机译：具有铁加载活性炭的M-甲酚的有效非均相电芬顿工艺

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The degradation of m -cresol (MC) has been investigated by a heterogeneous electro-Fenton process using iron loaded activated carbon (Fe-AC) as the heterogeneous electro-Fenton catalyst. Experimental results demonstrated that MC was effectively removed through an electro-Fenton process. Calculated TOC removal and overall energy consumption showed that the use of a low iron concentration (28 mg L ~(?1) ) increases the efficiency of the process. The reactions followed a pseudo-first order kinetic equation and kinetic coefficients confirm that the MC reduction, when it is alone, is faster than in the presence of a similar compound, tert -butylhydroquinone (TBHQ) (from 0.0935 to 0.0692 min ~(?1) ); therefore TBHQ exerts an antioxidative protection effect. In all cases, it is concluded that heterogeneous electro-Fenton treatment with Fe-AC follows a two-step process: adsorption and oxidation; allowing removal rates higher than in the literature. In addition, the reusability of this catalyst was demonstrated by operating it in continuous mode. Finally, LC-MS analysis allowed the development of a plausible degradation route.
机译：通过使用铁负载活性炭（Fe-AC）作为非均相电芬顿催化剂，通过非均相电流工艺研究了M-筛选（MC）的降解。实验结果表明，通过电芬工艺有效地除去MC。计算的TOC去除和总能量消耗表明，使用低铁浓度（28mg L〜（α1））增加了该方法的效率。伪第一阶动力学方程和动力系数的反应证实，当它单独的MC减少时，比在类似化合物，叔丁基羟基醌（TBHQ）（从0.0935至0.0692分钟的存在下更快。（？ 1））;因此，TBHQ施加抗氧化保护效果。在所有情况下，得出结论，用Fe-AC的异质电芬顿处理遵循两步方法：吸附和氧化;允许比文献更高的去除率。此外，通过以连续模式操作来证明该催化剂的可重用性。最后，LC-MS分析允许开发合理的退化路线。

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