Pollutant emission characterisitcs of crop straws during opening burning

WANG Junfang; LUO Zhongyang; HUA Xiaoyu; WANG Zhun; YU Chunjiang; TU Hanchao

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Pollutant emission characterisitcs of crop straws during opening burning

Thermal Power Generation Vol. 46, Issue 6, Pages: 14-20(2017)

更新时间：2025-09-28

- Pollutant emission characterisitcs of crop straws during opening burning
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室
  2. 浙江浙能技术研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK6;X712
- Published：2017
- 稿件说明：
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WANG Junfang, LUO Zhongyang, HUA Xiaoyu, et al. Pollutant emission characterisitcs of crop straws during opening burning[J]. Thermal Power Generation, 2017, 46(6): 14-20.
DOI：

WANG Junfang, LUO Zhongyang, HUA Xiaoyu, et al. Pollutant emission characterisitcs of crop straws during opening burning[J]. Thermal Power Generation, 2017, 46(6): 14-20. DOI：

摘要

在实验室规模模拟露天焚烧实验台上

测定了小麦、水稻、玉米3种农作物秸秆在明火燃烧和焖火燃烧状态、不同含水量下颗粒物和气体污染物的排放因子。结果表明:小麦、水稻、玉米秸秆明火燃烧时总颗粒物(TSP)、CO的排放因子分别为11.36~18.00、43.55~61.57 g/kg

9.20~13.76、50.36~79.24 g/kg

8.94~15.19、58.51~70.05 g/kg;而焖火燃烧时为28.68~48.05、80.72~114.92 g/kg

34.85~46.32、86.86~108.79 g/kg

36.44~51.38、79.73~98.20 g/kg;燃烧排放的颗粒物主要以细颗粒物为主

且PM2.5占TSP全部质量的58.72%~83.07%;颗粒物和CO的排放因子均与秸秆含水量呈正相关关系。

Abstract

On a self-designed open burning experiment platform in laboratory scale

the emission factors of particulate matter(PM) and gaseous pollutants from three types of crop straws(wheat

rice and corn) were detected

in flaming and smoldering combustion states with different water contents. The results show that

during flaming combustion

the emission factors of the total solid particles(TSP) of the wheat

rice and corn were 11.36~18.00

9.20~13.76 and 8.94~15.19

and that of the CO were 43.55~61.57 g/kg

50.36~79.24 g/kg and 58.51~70.05 g/kg

respectively. While that during smoldering combustion were 28.68~48.05

34.85~46.32 and 36.44~51.38 for TSP and 80.72~114.92 g/kg

86.86~108.79 g/kg and 79.73~98.20 g/kg for CO. It was demonstrated that fine PM dominated the total PM from the straw's open burning

and the proportion of PM2.5 to the TSP ranged from 58.72% to 83.07%. Water content were found to be negatively correlated with the emission factors of the PM and CO.

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