实验室研究了添加氧化铝对中温变换催化剂堆密度、机械强度、活性和热稳定性的影响。
The influence of alumina addition on the bulk density, mechanical strength, activity and thermal stability of high temperature shift (HTS) catalyst was studied in laboratory.
大粒径、低堆密度催化剂易膨胀；
The catalyst with big size and low bulk density is prone to expand.
催化剂还具有强度高、堆密度小、自再生能力强等特点。
The catalyst also had high side pressure, low bulk density and good capacity of self - generation.
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