ACTIVITY TEST FOR COMMERCIAL AMMONIA SYNTHESIS CATALYST A301 IN SINGLE TUBE REACTOR

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

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ACTIVITY TEST FOR COMMERCIAL AMMONIA SYNTHESIS CATALYST A301 IN SINGLE TUBE REACTOR

更新时间：2025-12-10

- ACTIVITY TEST FOR COMMERCIAL AMMONIA SYNTHESIS CATALYST A301 IN SINGLE TUBE REACTOR
- CIESC Journal Issue 11, (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 November 2001，
  
  Published：25 November 2001
- 稿件说明：
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LIU Huazhang, LI Xiaonian, HU Zhangneng, et al. ACTIVITY TEST FOR COMMERCIAL AMMONIA SYNTHESIS CATALYST A301 IN SINGLE TUBE REACTOR[J]. CIESC Journal, 2001, (11).
DOI：

LIU Huazhang, LI Xiaonian, HU Zhangneng, et al. ACTIVITY TEST FOR COMMERCIAL AMMONIA SYNTHESIS CATALYST A301 IN SINGLE TUBE REACTOR[J]. CIESC Journal, 2001, (11). DOI：

摘要

Abstract

The activity

specific rate of reaction and usable ratio of inner surface (URIS) for commercial A301 ammonia catalyst were measured in a tube packed bed reactor. The reaction conditions were: pressure of 7.0

10.0 and 15.0MPa

temperature of 325—450℃

space velocity of 6000

8000 and 10000h -1 and particle size of 0.6—0.9

1.6—2.5

2.5—3.0

3.0—4.0 and 4.0—6.7 mm. The outlet ammonia concentration

specific rate and URIS decreased with increasing particle size. URIS of commercial catalyst depended not only on particle size

but also on temperature and catalyst efficiency. Particle size was the most important factor for URIS. With increasing particle size from 0.6—0.9mm to 4.0—6.7mm

URIS of catalyst decreased from 1 to 0.74—0.80. For the same size range of catalyst

URIS depended on temperature and catalyst efficiency. Above the temperature of 350℃

catalyst efficiency and URIS increased with rising temperature. But below 350℃

URIS increased with the decrease of temperature.

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