The Kinetic Performance of Ammonia Synthesis Catalyst A110 under the Effect of Trace Water Vapor

黄宁宝; 过赘扶; 吕仲明

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The Kinetic Performance of Ammonia Synthesis Catalyst A110 under the Effect of Trace Water Vapor

更新时间：2025-12-16

- The Kinetic Performance of Ammonia Synthesis Catalyst A110 under the Effect of Trace Water Vapor
- CIESC Journal Issue 2, (1981)
- 作者机构：
  
  南京化学工业公司研究院,南京化学工业公司研究院,南京化学工业公司研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1981，
  
  Published：25 June 1981
- 稿件说明：
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黄宁宝, 过赘扶, 吕仲明. The Kinetic Performance of Ammonia Synthesis Catalyst A110 under the Effect of Trace Water Vapor[J]. CIESC Journal, 1981, (2).
DOI：

黄宁宝, 过赘扶, 吕仲明. The Kinetic Performance of Ammonia Synthesis Catalyst A110 under the Effect of Trace Water Vapor[J]. CIESC Journal, 1981, (2). DOI：

摘要

在高压下研究了<5—～30ppm微量水汽对四促进A110氨合成催化剂反应活性的影响。实验数据经修正的T-∏方程处理后

找到了中毒因子与水汽含量、温度以及压力诸因素之间的关系

并给出其经验关联式;获知催化剂中毒后表观活化能随毒物增加而增加;发现催化剂中毒后的动力学行为较之本征特性有较大的改变

特别是低温区。

Abstract

This paper discusses the investigation on the effect of reactive activity of quadruply promoted ammonia synthesis catalyst A110 by using synthesis gas containing <5-~30ppm water vapor under high pressure. The experimental data were treated with the modified T- equation. We have found that the poisoning factor POIS=k/kTO is approximately in inverse proportion to VH2O and proportional to 6th power of absolute temperature

and minimal relation with pressure. The catalysts appeared to be inflicted by poison when water vapor reached PH2O/PH2 =10×10-6. The intrinsic apparent energy of activation raised from 38000 kcal/kg-mol to 40000 kcal/kg-mol or higher as the amounts of water vapor poisons increased. In comparison with the catalysts original intrinsic activities

appreciable change of kinetic performance under poisoning conditions

especially in the lower temperature region

has been acquired. After 15 days repeated poisoning experiments it is discovered that most of the catalytic activity has been recovered but a certain degree of its activity has been permanently destroyed by poison. Calculation of the empirical correlations of the poisoning factor of trace water vapor has been procured.

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