CLEANING REGENERATION TECHNOLOGY USED FOR SCR CATALYSIS IN FLUE GAS DENITRIFICATION

WU Fan1; DUAN Jingfang2; XIA Qibin2; LI Shutian3; GU Qinghua3; FANG Zhonghua1 1.Changzhou Kenchuang Environmental Engineering & Technology Co Ltd

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CLEANING REGENERATION TECHNOLOGY USED FOR SCR CATALYSIS IN FLUE GAS DENITRIFICATION

更新时间：2025-09-28

- CLEANING REGENERATION TECHNOLOGY USED FOR SCR CATALYSIS IN FLUE GAS DENITRIFICATION
- Thermal Power Generation Vol. 41, Issue 5, Pages: 95-98(2012)
- 作者机构：
  
  1. 常州市肯创环境工程技术有限公司
  2. 华南理工大学化学与化工学院
  3. 国华太仓发电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701
- Published：2012
- 稿件说明：
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WU Fan1, DUAN Jingfang2, XIA Qibin2, et al. CLEANING REGENERATION TECHNOLOGY USED FOR SCR CATALYSIS IN FLUE GAS DENITRIFICATION[J]. Thermal power generation, 2012, 41(5): 95-98.
DOI：

WU Fan1, DUAN Jingfang2, XIA Qibin2, et al. CLEANING REGENERATION TECHNOLOGY USED FOR SCR CATALYSIS IN FLUE GAS DENITRIFICATION[J]. Thermal power generation, 2012, 41(5): 95-98. DOI：

摘要

对国华太仓发电有限公司(太仓电厂)2×600MW机组SCR烟气脱硝失活催化剂进行分析发现

CaSO4及SiO2等杂质的堵塞是导致SCR催化剂失活的主要原因。采用超声波化学清洗、活性负载、干燥煅烧等工艺对失活催化剂进行再生后

催化剂活性大幅提高

在330℃、空速45 000h-1的条件下

再生后的催化剂对NO的转化率由40.7%提高至94.1%。

Abstract

The activity lost catalysts in SCR flue gas denitrification system of 2×600 MW units in Guohua Taicang Power Generation Co Ltd

have been analysed

it is found that the main cause leading to activity loss of SCR catalysts is blockage due to foreign matters like CaSO4 and SiO2 etc

the activity lost catalysts have been regenerated by using process of ultrasonic chemical cleaning

active load

and drying incineration etc.

the activity of catalysts after regeneration has been greatly enhanced

under condition of temperature 330 ℃ and air speed 45 000-1

the catalysts after regeneration can make the transform rate of NO to rise from 40.7% to 94.1%.

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Related Institution

School of Chemistry and Chemistry Engineering, South China University of Technology

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