HZSM-5+γ-Al2O3催化剂液化气芳构化酸催化特性研究

Natural Gas Chemical Industry(2014)

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Abstract
制备了系列HZSM-5与拟薄水铝石不同质量比的催化剂HZSM-5+γ-Al2O3,采用NH3-TPD和Py-IR对所制催化剂进行酸性表征,并考察其在液化气(LPG)芳构化反应中的催化活性。结果表明,加入γ-Al2O3可降低催化剂的总酸量、强酸量和强酸强度,同时B酸量也大幅降低。γ-Al2O3可能是促进了氢转移芳构化,且HZ+A(30%)催化剂由于具有合适的B酸和总酸量,使其有较高的芳烃收率。
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