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This study investigates the chemical composition and brown carbon (BrC) light-absorption characteristics of smoke particles from six industrial biomass boilers. The mass fractions of organic carbon (OC) and elemental carbon (EC) in the smoke particles were 1.96% and 0.78%, respectively, while water-soluble inorganic ions accounted for 46.3% of the mass. Significant differences in the chemical composition of smoke particles were observed across different boilers, influenced by factors such as fuel types, boiler loads, and dust removal techniques. Soot-EC from bag-filtered boilers exhibited a higher OC/EC ratio (10.8) compared to cyclone-filtered boilers (2.27). The carbon components were predominantly OC2, OC3, OC4 and EC1, with a highly variable Char-EC/Soot-EC ratio (average: 18.7, range: 0.25~86.0). Water-soluble inorganic ions were primarily K+, Cl-, Na+, SO42- and Ca2+, constituting 81.0%~93.6% of the total ions. The spectral properties of BrC, including water-soluble organic carbon (WSOC) and methanol-soluble organic carbon (MSOC), showed limited correlation with boiler fuel, load, or dust removal method. The mass absorption efficiency at 365 nm (MAE365) was closely related to the OC/EC ratio, suggesting a strong link between BrC photo-absorption capacity and combustion conditions. The mass absorption efficiency of WSOC (MAEWSOC) from industrial biomass boiler was 4~5 times higher than that from biomass cookstoves and 5~9 times higher than open biomass combustion emissions, as reported in literature. The study elucidates the light absorption characteristics of brown carbon in smoke particles emitted from industrial biomass boiler and their correlation with combustion conditions.

, authors=Ming-yu XIAO1, Chang-wei ZOU1, Hong HUANG1, *, Yan GAO1, Xiang TU2, Wei DENG2, Cheng-long YU3, authorsList=Ming-yu XIAO, Chang-wei ZOU, Hong HUANG, Yan GAO, Xiang TU, Wei DENG, Cheng-long YU, authorCompany=null, correspAuthors=Hong HUANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314917479269360628, articleId=1314917478745072626, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=工业生物质锅炉烟尘化学组分与棕碳吸光特性, columnId=1234106388364981004, journalTitle=中国环境科学, columnName=大气污染与控制, runingTitle=null, highlight=null, articleAbstract=

以6台工业生物质锅炉为例,采集锅炉烟尘,探讨烟尘中化学组分的分布与棕碳吸光特性.研究发现,工业生物质锅炉烟尘中有机碳(OC)和元素碳(EC)质量占比分别为1.96%、0.78%,水溶性无机离子质量占比为46.3%;不同锅炉的烟尘化学组分差异显著,受锅炉燃料、吨位、除尘方式等综合影响;经布袋除尘后OC/EC比值(10.8)显著高于旋风除尘(2.27);碳组分以OC2、OC3、OC4和EC1为主,Char-EC/Soot-EC比值变化范围大(0.25~86.0),平均为18.7;水溶性无机离子组分以K+、Cl-、Na+、SO42-、Ca2+为主(占总水溶性离子的81.0%~93.6%);WSOC、MSOC两种棕碳(BrC)的光谱依赖性(AAE)与锅炉燃料、吨位及除尘方式关联不大,质量吸收效率(MAE365)与OC/EC比值密切相关,工业生物质锅炉烟尘棕碳光吸收能力与燃烧条件相关.工业生物质锅炉烟尘的MAEWSOC是生物质炉灶的4~5倍,是开放式生物质燃烧的5~9倍.研究揭示工业生物质锅炉烟尘中棕碳的吸光特性及其与燃烧条件的关联性.

, authors=肖明宇1, 邹长伟1, 黄虹1, *, 高燕1, 涂翔2, 邓威2, 喻成龙3, authorsList=肖明宇, 邹长伟, 黄虹, 高燕, 涂翔, 邓威, 喻成龙, authorCompany=null, correspAuthors=黄虹, authorNote=

肖明宇(2002-),男,江西赣州人,南昌大学硕士研究生,主要研究方向为大气环境..

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* 责任作者,教授,
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肖明宇(2002-),男,江西赣州人,南昌大学硕士研究生,主要研究方向为大气环境..

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肖明宇(2002-),男,江西赣州人,南昌大学硕士研究生,主要研究方向为大气环境..

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工业生物质锅炉烟尘化学组分与棕碳吸光特性
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肖明宇 1 , 邹长伟 1 , 黄虹 1, * , 高燕 1 , 涂翔 2 , 邓威 2 , 喻成龙 3
中国环境科学 | 大气污染与控制 2025,45(7): 3681-3691
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中国环境科学 |大气污染与控制 2025 , 45 (7) : 3681 -3691
工业生物质锅炉烟尘化学组分与棕碳吸光特性
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肖明宇1 , 邹长伟1, 黄虹1, * , 高燕1, 涂翔2, 邓威2, 喻成龙3
作者信息
  • 1.南昌大学资源与环境学院,江西 南昌 330031
  • 2.江西省生态环境科学研究与规划院,江西 南昌 330039
  • 3.江西农业大学国土资源与环境学院,江西 南昌 330045
通讯作者:
* 责任作者,教授,
作者简介:

肖明宇(2002-),男,江西赣州人,南昌大学硕士研究生,主要研究方向为大气环境..

Case study on chemical composition and optical absorption properties of smoke particles emitted from biomass boilers
Ming-yu XIAO1 , Chang-wei ZOU1, Hong HUANG1, * , Yan GAO1, Xiang TU2, Wei DENG2, Cheng-long YU3
Affiliations
  • 1.School of Resources &Environment, Nanchang University, Nanchang 330031, China
  • 2.Jiangxi Academy of Ecological Environment Science and Planning, Nanchang 330039, China
  • 3.School of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China
出版时间: 2025-07-20
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以6台工业生物质锅炉为例,采集锅炉烟尘,探讨烟尘中化学组分的分布与棕碳吸光特性.研究发现,工业生物质锅炉烟尘中有机碳(OC)和元素碳(EC)质量占比分别为1.96%、0.78%,水溶性无机离子质量占比为46.3%;不同锅炉的烟尘化学组分差异显著,受锅炉燃料、吨位、除尘方式等综合影响;经布袋除尘后OC/EC比值(10.8)显著高于旋风除尘(2.27);碳组分以OC2、OC3、OC4和EC1为主,Char-EC/Soot-EC比值变化范围大(0.25~86.0),平均为18.7;水溶性无机离子组分以K+、Cl-、Na+、SO42-、Ca2+为主(占总水溶性离子的81.0%~93.6%);WSOC、MSOC两种棕碳(BrC)的光谱依赖性(AAE)与锅炉燃料、吨位及除尘方式关联不大,质量吸收效率(MAE365)与OC/EC比值密切相关,工业生物质锅炉烟尘棕碳光吸收能力与燃烧条件相关.工业生物质锅炉烟尘的MAEWSOC是生物质炉灶的4~5倍,是开放式生物质燃烧的5~9倍.研究揭示工业生物质锅炉烟尘中棕碳的吸光特性及其与燃烧条件的关联性.

生物质锅炉  /  化学组分  /  棕碳  /  吸光特性

This study investigates the chemical composition and brown carbon (BrC) light-absorption characteristics of smoke particles from six industrial biomass boilers. The mass fractions of organic carbon (OC) and elemental carbon (EC) in the smoke particles were 1.96% and 0.78%, respectively, while water-soluble inorganic ions accounted for 46.3% of the mass. Significant differences in the chemical composition of smoke particles were observed across different boilers, influenced by factors such as fuel types, boiler loads, and dust removal techniques. Soot-EC from bag-filtered boilers exhibited a higher OC/EC ratio (10.8) compared to cyclone-filtered boilers (2.27). The carbon components were predominantly OC2, OC3, OC4 and EC1, with a highly variable Char-EC/Soot-EC ratio (average: 18.7, range: 0.25~86.0). Water-soluble inorganic ions were primarily K+, Cl-, Na+, SO42- and Ca2+, constituting 81.0%~93.6% of the total ions. The spectral properties of BrC, including water-soluble organic carbon (WSOC) and methanol-soluble organic carbon (MSOC), showed limited correlation with boiler fuel, load, or dust removal method. The mass absorption efficiency at 365 nm (MAE365) was closely related to the OC/EC ratio, suggesting a strong link between BrC photo-absorption capacity and combustion conditions. The mass absorption efficiency of WSOC (MAEWSOC) from industrial biomass boiler was 4~5 times higher than that from biomass cookstoves and 5~9 times higher than open biomass combustion emissions, as reported in literature. The study elucidates the light absorption characteristics of brown carbon in smoke particles emitted from industrial biomass boiler and their correlation with combustion conditions.

biomass boiler  /  chemical composition  /  brown carbon  /  light absorption properties
肖明宇, 邹长伟, 黄虹, 高燕, 涂翔, 邓威, 喻成龙. 工业生物质锅炉烟尘化学组分与棕碳吸光特性. 中国环境科学, 2025 , 45 (7) : 3681 -3691 .
Ming-yu XIAO, Chang-wei ZOU, Hong HUANG, Yan GAO, Xiang TU, Wei DENG, Cheng-long YU. Case study on chemical composition and optical absorption properties of smoke particles emitted from biomass boilers[J]. China Environmental Science, 2025 , 45 (7) : 3681 -3691 .
  • 国家自然科学基金资助项目(42265011)
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  • 接收时间:2024-12-06
  • 首发时间:2026-10-08
  • 出版时间:2025-07-20
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  • 收稿日期:2024-12-06
基金
国家自然科学基金资助项目(42265011)
作者信息
    1.南昌大学资源与环境学院,江西 南昌 330031
    2.江西省生态环境科学研究与规划院,江西 南昌 330039
    3.江西农业大学国土资源与环境学院,江西 南昌 330045

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
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红菇属 Russula 17 8.13
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