RELATIONSHIP BETWEEN ACTIVITY AND THE STATE AND COMPOSITION OF IRON OXIDES FOR AMMONLA SYNTHESIS CATALYST（Ⅰ） ACTIVITY ORDER OF IRON OXIDE IN PRECURSOR

Liu Huazhang; Li Xiaonian（Institute of Catalysis Research

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RELATIONSHIP BETWEEN ACTIVITY AND THE STATE AND COMPOSITION OF IRON OXIDES FOR AMMONLA SYNTHESIS CATALYST（Ⅰ） ACTIVITY ORDER OF IRON OXIDE IN PRECURSOR

更新时间：2025-12-16

- RELATIONSHIP BETWEEN ACTIVITY AND THE STATE AND COMPOSITION OF IRON OXIDES FOR AMMONLA SYNTHESIS CATALYST（Ⅰ） ACTIVITY ORDER OF IRON OXIDE IN PRECURSOR
- CIESC Journal Issue 5, (1998)
- 作者机构：
  
  浙江工业大学催化研究所!浙江省多相催化重点实验室，杭州310014,浙江工业大学催化研究所!浙江省多相催化重点实验室,杭州,310014
- 作者简介：
- 基金信息：
- DOI：
  CLC： 643.36
- Online First：25 October 1998，
  
  Published：25 October 1998
- 稿件说明：
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Liu Huazhang, Li Xiaonian（Institute of Catalysis Research. RELATIONSHIP BETWEEN ACTIVITY AND THE STATE AND COMPOSITION OF IRON OXIDES FOR AMMONLA SYNTHESIS CATALYST（Ⅰ） ACTIVITY ORDER OF IRON OXIDE IN PRECURSOR[J]. CIESC Journal, 1998, (5).
DOI：

Liu Huazhang, Li Xiaonian（Institute of Catalysis Research. RELATIONSHIP BETWEEN ACTIVITY AND THE STATE AND COMPOSITION OF IRON OXIDES FOR AMMONLA SYNTHESIS CATALYST（Ⅰ） ACTIVITY ORDER OF IRON OXIDE IN PRECURSOR[J]. CIESC Journal, 1998, (5). DOI：

摘要

以磁铁矿和还原剂为原料采用高温熔融法分别制得Fe_3O_4、FeO和二者不同比例的混合物，研究了FeO的非化学整比性、氧化性和亚稳定性以及以这些氧化物为母体的熔铁催化剂的活性。发现铁氧化物还原后催化合成氨的活性次序为Fe_(1-x)O＞Fe_3O_4＞Fe_2O_3＞任何两种氧化物的混合物。

Abstract

Fe_3O_4

FeO and their mixture were Prepared by using high temperature fusion method with magnetite and reducing reagent as raw.The physicochemical properties and crystal structure and activity of the catalyst with iron oxides as precuesor were investigated.The activity order of ammonia synthesis on iron oxide was proposed and the order of activity is as follows:Fe_(1-x)O＞Fe_3O_4＞Fe_2O_3＞mixture of any two iron oxides.

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