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Ni/α-Al2O3催化剂作用下苯甲醚的加氢脱氧
Authors
Publication date
1 January 2016
Publisher
Abstract
通过化学沉淀法制备了以α-Al2O3、γ-Al2O3、SiO2,TiO2和ZrO2为载体的五种镍基催化剂,以苯甲醚为模型化合物对催化剂进行活性评价,考察载体对加氢脱氧催化反应的影响。实验表明,Ni/α-Al2O3对苯甲醚加氢脱氧反应的催化活性最高。在优化的工况下,苯甲醚的转化率达到93.25%,碳氢化合物收率达到90.47%。H2-TPD测试表明五种镍基催化剂中,Ni/α-Al2O3表面拥有更多的活性金属位,具有更高的加氢催化活性。Ni/α-Al2O3催化剂具有优异的可重复使用性能,反应后催化剂表面的积碳量几乎可以忽略
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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Last time updated on 22/11/2020