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Promoting effects of lanthanum oxide on the NiO/CeO2 catalyst for hydrogen production by autothermal reforming of ethanol
Catalysis Communications ( IF 3.7 ) Pub Date : 2018-01-31 , DOI: 10.1016/j.catcom.2018.01.024
Zhiwei Xue , Yuesong Shen , Peiwen Li , Youchun Pan , Junjie Li , Zhiliang Feng , Yu Zhang , Yanwei Zeng , Youlin Liu , Shemin Zhu

Promoting effects of Lanthanum oxide on the NiO/CeO2 catalyst for hydrogen production by autothermal reforming of ethanol were investigated. The effects of La increased the specific surface area, stabilized the NiO phase and led to the high dispersion of Ni in active LaNiO3 phase. The carrier CeO2 provided big specific surface area for effective EATR reaction, promoted the H2 production by accelerating the oxygen migration in the catalyst surface via the Ce4 + ↔ Ce3 + transformation. Consequently, the optimized Ni1La1Oy/10CeO2 catalyst achieved 100% XEtOH, 69.3% SH2 at 600 °C and high stability at 550 °C.



中文翻译:

氧化镧对乙醇自热重整制氢用NiO / CeO 2催化剂的促进作用

研究了氧化镧对NiO / CeO 2催化剂通过乙醇自热重整制氢的促进作用。La的作用增加了比表面积,稳定了NiO相并导致Ni在活性LaNiO 3相中的高分散。载体CeO 2为有效的EATR反应提供了大的比表面积,并通过Ce 4 +  ↔Ce 3 +的转化加速了氧在催化剂表面的迁移,从而促进了H 2的产生。因此,优化的Ni 1 La 1 O y / 10CeO 2催化剂达到了100%X EtOH在600°C下为69.3%S H2,在550°C下具有高稳定性。

更新日期:2018-01-31
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