EFFECT ON SO<sub>2</sub> AND NO<sub>x</sub> EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS

doi:10.19666/j.rlfd.1998.03.001

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EFFECT ON SO₂ AND NO_x EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS

Thermal Power Generation Issue 3, Pages: 4-8(1998)

更新时间：2025-09-28

- EFFECT ON SO₂ AND NO_x EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS
- 作者机构：
  
  华中理工大学,武汉,430074
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.1998.03.001
  CLC： TK224
- Published：1998
- 稿件说明：
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EFFECT ON SO₂ AND NO_x EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS[J]. Thermal Power Generation, 1998, (3): 4-8.
DOI：

EFFECT ON SO₂ AND NO_x EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS[J]. Thermal Power Generation, 1998, (3): 4-8. DOI： 10.19666/j.rlfd.1998.03.001.

摘要

对在炉内喷钙脱硫工况条件下

影响SO2 和NOx 排放的因素进行了讨论。实验表明

SO2 和NOx 排放与炉内温度、Ca/S、脱硫剂细度、煤种、过剩空气系数等有密切关系。炉内喷射钙基吸收剂后

由于钙基物质具有较强的催化性能

使NOx 排放量增加

但这与煤种有很强的依赖关系。对于某些低挥发分煤

NOx 排放量不变

甚至是下降的。

Abstract

The effect on SO 2 and NO x emission by limestone desulphurization in pulverized-coal was studied.The experiments show that SO 2 and NO x emission is strongly dependent upon various factors

shch as furnace temperature

Ca/S molar ratio

particle size of sorbent

coal type

excess air coefficient

etc.Due to the strong catalytic activity of calcium species derived from limestone

it often leads to an increasement of NO

emission.However

this is strongly dependent upon coal type.NO

emission doesn’t increase or even decrease in case of some low volatile coals.

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EFFECT ON SO2 AND NOx EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS

DOI：10.19666/j.rlfd.1998.03.001

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Abstract

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Keywords

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EFFECT ON SO₂ AND NO_x EMISSION BY LIMESTONE DESULPHURIZATION IN PULVERIZED -COAL BOILERS