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首页> 外文期刊>Clean >Electro-Fenton Oxidation of Salicylic Acid fromAqueous Solution: Batch Studies andDegradation Pathway
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Electro-Fenton Oxidation of Salicylic Acid fromAqueous Solution: Batch Studies andDegradation Pathway

机译：水溶液中水杨酸的电子芬顿氧化：批处理研究和降解途径

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摘要

This study investigated the removal of salicylic acid (SA) from aqueous solution by electro- Fenton (EF) and EF-like processes using graphite–graphite electrolytic system. Fe0, Fe2t, Fe3t ions were used as the Fenton reagent in the EF process and in the EF-like reactions, Cu2t, Mn2t, Ni2t were used as the same. The effect of various operating conditions on the effectiveness of EF process was investigated. The contribution of adsorption and electrosorption in the removal of SA was also investigated. According to the results, EF method can be used efficiently for the removal of SA by maintaining proper operating conditions. Fe2t was confirmed to be themost efficient catalyst among themetal ions that were tested. Maximumremoval efficiency of 75.13% was obtained under optimal operating conditions after 8 h of electrolysis. Even though EF-like processes are also effective for the removal of SA from aqueous solutions, EF removal of SA was observed to be more efficient for the same. Gas chromatography–mass spectrometry (GC-MS) of SA solutions electrolyzed at optimal conditions was carried out. Degradation pathway was proposed from GC–MS.
机译：这项研究研究了使用石墨石墨电解系统通过电芬顿（EF）和类似EF的方法从水溶液中去除水杨酸（SA）的方法。 Fe0，Fe2t，Fe3t离子在EF工艺中用作Fenton试剂，在类似EF的反应中，Cu2t，Mn2t，Ni2t相同。研究了各种操作条件对EF工艺有效性的影响。还研究了吸附和电吸附对去除SA的贡献。根据结果​​，通过保持适当的操作条件，EF方法可以有效地用于去除SA。在测试的金属离子中，Fe2t被证实是最有效的催化剂。电解8小时后，在最佳操作条件下获得的最大去除效率为75.13％。即使类似EF的方法对于从水溶液中去除SA也很有效，但据观察，EF去除SA的效率更高。进行了在最佳条件下电解的SA溶液的气相色谱-质谱分析（GC-MS）。 GC-MS提出了降解途径。

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