Influences of Fuel Types, Combustion Phases, and Photoaging Effects on Atmospheric Volatile Organic Compounds Emissions and Health Risks

CHEN Zhiwen; Ye Xinpeng; Yang Jiaer; He Kun; Sun Jian; Peng Zezhi; Shen Zhenxing

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Influences of Fuel Types, Combustion Phases, and Photoaging Effects on Atmospheric Volatile Organic Compounds Emissions and Health Risks

更新时间：2025-08-21

- Influences of Fuel Types, Combustion Phases, and Photoaging Effects on Atmospheric Volatile Organic Compounds Emissions and Health Risks
- JOURNAL OF XI’AN JIAOTONG UNIVERSITY (2025)
- 作者机构：
  
  西安交通大学能源与动力工程学院,陕西省西安市710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： X511
- Received：29 May 2025，
  
  Revised：2025-08-04，
  
  Accepted：21 August 2025，
- 稿件说明：
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CHEN Zhiwen, Ye Xinpeng, Yang Jiaer, et al. Influences of Fuel Types, Combustion Phases, and Photoaging Effects on Atmospheric Volatile Organic Compounds Emissions and Health Risks[J/OL]. JOURNAL OF XI’AN JIAOTONG UNIVERSITY, 2025.
DOI：

CHEN Zhiwen, Ye Xinpeng, Yang Jiaer, et al. Influences of Fuel Types, Combustion Phases, and Photoaging Effects on Atmospheric Volatile Organic Compounds Emissions and Health Risks[J/OL]. JOURNAL OF XI’AN JIAOTONG UNIVERSITY, 2025. DOI：

摘要

民用固体燃料燃烧是大气中挥发性有机物（VOCs）的重要来源，研究从健康燃烧视角出发，采用飞行时间质谱仪表征玉米秸秆、烟煤及煤基生物质型煤的VOCs排放特征，分析其健康风险。首先，根据燃烧效率分析不同燃烧阶段对各类燃料总挥发性有机物（TVOC）的排放影响；然后，基于美国环境保护署健康风险模型，计算不同燃料燃烧过程中的实时健康风险；最后，采用氧化流动反应器对燃烧烟气进行紫外辐照处理，以评估光化学老化对VOCs排放特征的影响。研究结果表明：玉米秸秆TVOC质量浓度最高，烟煤次之，煤基生物质型煤最低；修正燃烧效率与VOCs生成量负相关，不完全燃烧使污染物排放强度显著提升；健康风险评估模型评估显示，3种燃料危害指数大于30，累积致癌风险大于1×10⁻⁴，均存在高非致癌风险和致癌风险，超过安全阈值；光老化使致癌风险降低70.46%，但对非致癌风险削减有限。该研究可为公共健康防护政策制定和清洁能源利用策略提供科学依据。

Abstract

Residential solid fuel combustion is an important source of atmospheric volatile organic compounds (VOCs). From the perspective of healthy combustion

this study used time of flight mass spectrometry to characterize the VOCs emission characteristics of corn straw

bituminous coal and coal-based biomass briquette

and analyzed their health risks. Firstly

the effects of different combustion stages on total volatile organic compounds (TVOC) emissions of various fuels were analyzed according to the combustion efficiency; Then

based on the U.S. Environmental Protection Agency health risk model

the real-time health risks in the combustion process of different fuels were calculated; Finally

the oxidation flow reactor was used to irradiate the combustion flue gas to evaluate the effect of photochemical aging on VOCs emission characteristics. The results showed that the TVOC emission concentration of corn straw was the highest

followed by bituminous coal

and coal based biomass briquette was the lowest; The corrected combustion efficiency was negatively correlated with VOCs production

and incomplete combustion significantly increased pollutant emission intensity; The health risk assessment model showed that the hazard index of the three fuels was greater than 30

and the cumulative carcinogenic risk was greater than 1×10

⁴ with high non carcinogenic risk and carcinogenic risk

exceeding the safety threshold;

Photoaging can reduce the carcinogenic risk by 70.46%

but the reduction of non-carcinogenic risk is limited. This study provides a scientific basis for the formulation of public health protection policies and clean energy utilization strategies.

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references

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