Results show,by adopting the combined catalytic system of hot tube catalyst and metallic honeycomb catalyst,the light off performance as well as durability of catalyst could be improved effectively.

• 结果表明，通过采取热管式催化剂+金属蜂窝载体催化剂的结构方案，可有效地改善催化剂的起燃性能和耐久性能。