Fe supported catalysts show great promise for enabling practical environmental catalysis, exemplified by the catalytic wet peroxide oxidation (CWPO) process. In order to mitigate the Fe leaching issue, a strategy of assembling zeolitic coatings with intraframework Fe (ferrisilicate) on SiC foams was developed, showing a good stability in CWPO and a low Fe leaching of 2.0 mg l⁻¹. Direct hydrothermal synthesis of ferrisilicate/SiC foam composites was systematically studied, showing that their characteristics depend on the growth time, pH value and iron concentration of the growth solution. Selected ferrisilicate/SiC foam composite was evaluated using the continuous CWPO of phenolic aqueous solution at 60 °C. The open-cell size of SiC foam was varied between 800 and 2,000 μm and showed insignificant effect on the hydrodynamics of the flow process at 1 ml min ⁻¹, but the process efficiency in terms of phenol and total-organic-carbon (TOC) conversions was favored by a high surface-to-volume ratio (i.e. small open-cell sizes). Ferrisilicate/SiC foam catalysts (average open-cell size = 800 μm) showed good stability in the model system with the stable conversions of phenol (97%), H₂O₂ (84%) and TOC (37%) over 24 h time-on-stream.

铁负载的催化剂显示出实现实际环境催化的广阔前景，例如湿法催化氧化（CWPO）工艺。为了减轻Fe的浸出问题，开发了一种在SiC泡沫塑料上组装具有骨架内Fe（铁硅酸盐）的沸石涂层的策略，该方法在CWPO中显示出良好的稳定性，并且Fe的浸出低至2.0 mg l ^-1。。系统地研究了直接水热合成亚铁硅酸盐/ SiC泡沫复合材料的过程，结果表明它们的特性取决于生长溶液的生长时间，pH值和铁浓度。在60°C下使用酚水溶液的连续CWPO评估所选的硅酸铁/ SiC泡沫复合材料。SiC泡沫的开孔尺寸在800至2,000μm之间变化，并且对1 ml min ^-1的流动过程的流体动力学影响不显着 ，但以苯酚和总有机碳（TOC）表示的过程效率较高的表面积与体积比（即小开孔尺寸）。铁硅酸盐/ SiC泡沫催化剂（平均开孔尺寸= 800μm）在模型系统中显示出良好的稳定性，并且在24小时内苯酚（97％），H ₂ O ₂（84％）和TOC（37％）的转化率稳定投放时间。