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成型方法对MTP工艺ZSM-5分子筛催化剂性能的影响

Natural Gas Chemical Industry(2014)

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Abstract
以高硅铝比HZSM-5为活性组分,用SiO2、γ-Al2O3为粘结剂通过挤条成型后制成催化剂,在典型的MTP条件下,对催化剂进行活性评价。用XRD,NH3-TPD,Py-IR等手段对催化剂进行表征,分析催化活性、强度与粘结剂的关系,发现采用不同粘结剂成型的催化剂会影响其表面的酸性质及其分布,对催化剂的强度影响也很显著,SiO2粘结剂比。γ-Al2O3低碳烯烃选择性高、稳定性好。
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Key words
molecular sieve catalyst,shape-forming
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