Metal-based monolithic catalysts have excellent electrical and thermal conductivity, impact resistance, ductility, and mechanical properties. Thus, they have a broader application prospect than ceramic-based monolithic catalysts. In this work, high-dispersion Pd nanoparticle dispersion liquid was synthesized by using the solvothermal method. Moreover, nickel-foam-supported Pd/NiO (Pd/NiO/Ni foam) monolithic catalyst with good catalytic combustion performance was prepared successfully by simply spraying the dispersion liquid on the surface of Ni foam, which was oxidized at high temperature to grow NiO film. A novel electric heating catalytic combustion reactor with fast response and safety was constructed by nesting Pd/NiO/Ni foam with an insulated heating rod. Notably, even at the high space velocity of 50,000 h⁻¹, the constructed reactor can completely degrade 2500 ppm of toluene at 230 ℃ and exhibits good catalytic activity for hydrocarbons and oxygen-containing and heteroatom-containing organic compounds.

金属基整体催化剂具有出色的导电性和导热性，耐冲击性，延展性和机械性能。因此，它们比陶瓷基整体催化剂具有更广阔的应用前景。在这项工作中，通过使用溶剂热法合成了高分散的钯纳米颗粒分散液。此外，通过简单地将分散液喷洒到在高温下被氧化以生成NiO的Ni泡沫表面，成功制备了具有良好催化燃烧性能的镍泡沫负载Pd / NiO（Pd / NiO / Ni泡沫）整体催化剂。电影。通过将Pd / NiO / Ni泡沫与绝缘的加热棒嵌套在一起，构造了一种反应迅速且安全的新型电加热催化燃烧反应器。值得注意的是，即使在50,000h ^-1的高空速下，该反应器在230℃时可以完全降解2500 ppm的甲苯，并且对碳氢化合物以及含氧和含杂原子的有机化合物具有良好的催化活性。