以硝酸铜水溶液(浓度50.0 g/L)浸渍母体分子筛(NaA, CaA, NaX和CaX) 2 h, 干燥 1 h 并在450 ℃焙烧 6 h 后制得CuO/分子筛夹心型吸附剂-催化剂. 活性组分(CuO)在母体分子筛上沉积的涂层厚度约 1 mm. 采用原子吸收光谱、 X射线衍射、红外光谱和差示扫描量热等技术对母体分子筛、浸渍介质和吸附剂-催化剂进行了表征. 将该吸附剂-催化剂用于醇(甲醇、丙醇和丁醇)蒸气的催化氧化,催化活性实验在固定床石英反应器中于100~350 ℃下进行,测定了生成的副产物及其在空气流中的浓度. 结果表明,在200~250 ℃时生成的副产物量最多. CuO/分子筛催化剂的使用寿命为120 d, 在此期间,该吸附剂-催化剂对醇氧化成CO2和H2O具有活性. 随着醇分子量的增加和醇初始浓度的降低,起燃温度和完全氧化温度降低.
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