使用溶胶、凝胶法制得添加氧化镧的活性氧化铝,详细研究了不同氧化镧添加量对氧化铝孔容、比表面积的影响.实验结果表明,添加氧化镧能有效增加活性氧化铝的比表面积,提高氧化铝的活性,体相中添加3%氧化镧经 600℃煅烧10h后,比表面达到192.2m2/g.
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