Promotion of Nb2O5 on the wustite-based iron catalyst for ammonia synthesis
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- 作者：Wenfeng Han ; hanwf@zjut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shiliang Huang ; Tianhong Cheng ; Haodong Tang ; Ying Li ; Huazhang Liu ; cuihua@zjut.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ammonia synthesis ; Nb2O5 promoter ; Iron catalyst ; Promotion effect ; Wustite catalyst
- 刊名：Applied Surface Science
- 出版年：2015
- 出版时间：30 October 2015
- 年：2015
- 卷：353
- 期：Complete
- 页码：17-23
- 全文大小：1053 K
文摘
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Niobium enhances the reduction of wustite-based ammonia synthesis catalyst significantly.
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Nb2O5 inhibits the segregation or formation of solid solutions on the catalyst surface.
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Nb2O5 doping enhances the growth rates of [2 1 1] and [2 0 0] planes rather than their amounts.