摘要
运用程序升温还原（ＴＰＲ）、Ｘ射线衍射（ＸＲＤ）及活性评价技术研究了金属氧化物对低铬铁系催化剂结构和性能的影响。结果表明，ＣｅＯ２能提高铁系催化剂的活性，而Ｂｉ２Ｏ３能进入Ｆｅ２Ｏ３内部，既能提高催化剂的活性。
The effects of various metal oxides on the crystal structure and chemical characteristics of an iron chromium catalyst are researched by the temperature programmed reduction(TPR)technique, X ray analysis and catalytic activity test. The results show that CeO 2 on the surface of Fe 2O 3 can improve activity of the iron chromium catalyst and that Bi 2O 3 can get into the interior of Fe 2O 3, improve CO conversion rate and enhance the stability of the catalyst.
出处
《天然气化工—C1化学与化工》
CAS
CSCD
北大核心
1998年第6期12-16,共5页
Natural Gas Chemical Industry
关键词
铁铬
催化剂
助剂
一氧化碳变换
制氢
合成氨
Abstract: γ Fe 2O 3
iron chromium catalyst
water gas shift reaction
