CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH<sub>4</sub>

ZHANG Yanwen; CAI Ningshen; LI Zhenshan

doi:10.19666/j.rlfd.2005.12.004

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CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH₄

更新时间：2025-09-28

- CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH₄
- Thermal Power Generation Issue 12, Pages: 9-12(2005)
- 作者机构：
  
  清华大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.12.004
  CLC： X701
- Published：2005
- 稿件说明：
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ZHANG Yanwen, CAI Ningshen, LI Zhenshan. CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH₄[J]. Thermal power generation, 2005, (12): 9-12.
DOI：

ZHANG Yanwen, CAI Ningshen, LI Zhenshan. CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH₄[J]. Thermal power generation, 2005, (12): 9-12. DOI： 10.19666/j.rlfd.2005.12.004.

摘要

分析加入CH4对选择性非催化还原(SNCR)方法脱除烟气中NOx的影响

并利用CHEMIKIN软件对其反应过程进行了计算。计算结果表明

加入适量CH4可以降低SNCR有效反应温度

提高NO脱除效率

加快反应速率

缩短反应停留时间

从而对SNCR脱除NOx的过程起到促进作用。此外

依据计算结果对其反应机理进行了解释和分析。

Abstract

The influence of adding methane(CH_4) upon flue gas denitrification with selective noncatalytic reduction (SNCR) process has been analysed

and calculation of the reaction process being carried out by using CHEMKIN software. The calculation results show that adding suitable amount of CH_4 can reduce the effective reaction temperature of SNCR

enhancing efficiency of denitrification

accelerating the reaction rate

and shortening the retention time of reaction

thereby playing a promotion effect for the denitrification process of SNCR. In addtion

the reaction mechanism of SNCR has been explained and analysed on the basis of calculation results.

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CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH4

DOI：10.19666/j.rlfd.2005.12.004

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CALCULATION AND MECHNISM ANALYSIS OF SNCR PROCESS PROMOTED BY ADDING CH₄