catalyst cooler
... 催化剂进料 catalyst charging 催化剂冷却器 catalyst cooler 催化剂流化床 fluid catalyst bed ...
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改造包括改进催化剂质量，更换酸塔填料，扩大酸冷却器和冷却塔。
The quality of catalyst and the packing in the acid towers is to be changed. The acid coolers and cooling tower are to be increased in size.
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