研究了新型SO2和NO吸附-催化剂La-Cu-Na-γ-Al2O3的制备条件,并用均匀设计法确定了La-Cu-Na-γ-Al2O3的组成.研究表明,当用分步等体积浸渍法制备La-Cu-Na-γ-Al2O3时,以Na2CO3、Cu(NO3)2和La(NO3)3为原料,在873K下空气中焙烧制备的含Na2CO3、CuO、La2O3的质量分数分别为8%、5%、5%的La-Cu-Na-γ-Al2O3,具有较好的低温(423K)同时吸附储存SO2和NO的能力.
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