The sulfamethoxazole (SMX) mineralization through the solar photo electro-Fenton (SPEF) process in a pilot plant containing 20 L of 50 mg L⁻¹ SMX solution was investigated. The process was carried out at pH 3 under different operational conditions varying temperature, volumetric flow and applied current density. Box-Behnken experimental design and response surface methodology (RSM) were used to optimize the experimental variables of the SPEF process. Under the optimal conditions, the SPEF was compared with electro-Fenton (EF) and anodic oxidation (AO- H₂O₂) processes. Under optimum design variables of 47 mA cm⁻², 45 °C and 571 L h⁻¹, SPEF was more efficient yielding 90% of TOC removal after 360 min of reaction with a maximum of 83% of mineralization current efficiency (MCE). The main by-products detected on the final solution treated by SPEF were oxalic, maleic, oxamic and fumaric acids, while NH₄⁺ and NO₃⁻ were the main inorganic nitrogen ions released during the process.

在含有20升50 mg L ^-1 SMX溶液的中试工厂中，研究了通过太阳光电芬顿（SPEF）工艺产生的磺胺甲基异恶唑（SMX）的矿化作用。该过程在pH 3的不同操作条件下进行，温度，体积流量和施加的电流密度不同。Box-Behnken实验设计和响应面方法（RSM）用于优化SPEF过程的实验变量。在最佳条件下，将SPEF与电子Fenton（EF）和阳极氧化（AO-H ₂ O ₂）工艺进行了比较。在最佳设计变量下，分别为47 mA cm ^-2，45 °C和571 L h ^-1SPEF更有效，在360分钟反应后，TOC去除率达到90％，最大矿化电流效率（MCE）为83％。由SPEF处理的最终溶液检测到的主要副产物是草酸，马来酸，草氨酸酸和富马酸，而NH ₄ ⁺和NO ₃ ^-的过程中被释放的主要无机氮离子。