这一问题可以通过添加阻燃剂来解决，如卤素化合物和无机氢氧化物等。

This problem can be solved by using flame-retardant additives, such as halogenated compounds and inorganic hydrated compounds.

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一种烃类加工液体产物改质催化剂，包括铱、卤素和耐高温无机氧化物，以耐高温无机氧化物为基准计算的铱含量为0.1 ~ 5.0质量%，卤素含量为0.01 ~ 3.0质量%。

The liquid hydrocarbon modifying catalyst consists of heat resisting inorganic oxide, Ir in 0.1-5.0 wt % of the inorganic oxide, and halogen in 0.01-3.0 wt % of the inorganic oxide.

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