The new preparation process of tetrabromobisphenol - a with bisphenol - a, bromine and hydrogen peroxide as raw materials by a heterogeneous catalyst reaction has been introduced in this paper.
以双酚a、溴水和过氧化氢为原料，采用非均相催化反应技术合成四溴双酚a的新工艺。
The experiment of catalyst removal showed the oxidation was a heterogeneous reaction.
催化剂转移实验显示，氧化反应在多相体系中进行。
A gaseous reaction mixture flows from the bottom to the top of a heterogeneous particulate catalyst that forms a fluidized bed in which baffles are arranged.
气态反应混合物从形成流化床的非均相颗粒催化剂的底部流动到其顶部，其中流化床中排列有隔板。
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