FEASIBILITY OF LOW PRESSURE AMMONIA SYNTHESIS USING A301 CATALYST

LIU Huazhang; HU Zhangneng; LI Xiaonian; CEN Yaqing; FU Guanping

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FEASIBILITY OF LOW PRESSURE AMMONIA SYNTHESIS USING A301 CATALYST

更新时间：2025-12-10

- FEASIBILITY OF LOW PRESSURE AMMONIA SYNTHESIS USING A301 CATALYST
- CIESC Journal Issue 12, (2001)
- 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
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 2001，
  
  Published：25 December 2001
- 稿件说明：
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LIU Huazhang, HU Zhangneng, LI Xiaonian, et al. FEASIBILITY OF LOW PRESSURE AMMONIA SYNTHESIS USING A301 CATALYST[J]. CIESC Journal, 2001, (12).
DOI：

LIU Huazhang, HU Zhangneng, LI Xiaonian, et al. FEASIBILITY OF LOW PRESSURE AMMONIA SYNTHESIS USING A301 CATALYST[J]. CIESC Journal, 2001, (12). DOI：

摘要

原粒度A30 1催化剂在大型合成氨厂实际工况条件下的工业旁路试验结果表明 :在 7.0～ 7.5MPa等压合成氨工艺条件下

A30 1催化剂的氨净值为 10 %～ 12 %

在 8.5MPa或 10MPa微加压合成氨工艺条件下

氨净值可达 12 %～ 15 %

可以满足合成氨工业经济性对氨净值的要求 .因此采用A30 1催化剂实现等压或微加压合成氨是可行的

并可获得显著的经济效益

Abstract

The development of the A301 based on Fe 1-x O ammonia synthesis catalyst has for the first time allowed ammonia to be made economically at pressure close to those of gas production.The high activity and long life of the catalyst has been proved over a period of nine years in hundreds of 150-500t/d scale converter charges.In this paper

the activity test of A301 catalyst for use at low pressure was carried out in a equipment

called"sidestream"reactor

in which the catalyst was present as a packed bed of commercial-sized material and was subjected to 1000t/d scale plant conditions.The main results of the use of the sidestream reactor for the testing of catalysts are as follows:the outlet ammonia concentrations of the sidestream reactor under plant conditions are 14.35%-16.55%

15.24%-16.66% and 17.2%-18.8% by volume at 7.0

8.5 and 10.0MPa of pressure respectively.A301 is the most active of all iron catalysts tested for low pressure and low temperature operation and is the only catalyst that has been demonstrated to work efficiently at pressures in the region of 7-10MPa.

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