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Biodiesel is recognized as a carbon-neutral fuel, yet its impact on the emissions of key carbonaceous components from diesel engine exhaust remains unclear. To investigate the influence of biodiesel on carbonaceous component emissions from agricultural machinery, this study conducted real-world measurements to systematically analyse the effects of multiple factors-including biodiesel blend ratio (B0, B5, B20), emission standard (China Ⅱ, China Ⅲ), machinery type, and operating conditions-on the chemical composition of organic carbon (OC) and elemental carbon (EC) (divided by thermal stability into OC1-OC4 and EC1-EC3). The results indicated that: (1) The emission factors of OC and EC (EFOC and EFEC) were significantly reduced by biodiesel blending. For instance, EFOC and EFEC were reduced by 44.6% and 24.3%, respectively, for B20compared to B0, which was primarily attributed to increased fuel oxygen content and improved combustion efficiency. (2) The formation of OC and EC subcomponents was jointly influenced by fuel properties and combustion temperature. In emissions from B5machinery, the proportions of OC1 and OC2 were decreased, while that of EC2 was increased. (3) Based on emission factor estimates, the total national OC and EC emissions from agricultural machinery in China in 2022 were calculated to be 10608t and 2507t, respectively, accounting for 27.6% and 9.4% of road mobile source emissions. If B5 and B20 were widely adopted, total OC emissions from agricultural machinery could be reduced by 35.8% and 44.2%, respectively, compared to the B0 baseline.

, authors=Min CUI1, *, Fu-qiang SHI1, Fan ZHANG2, Ying-jun CHEN3, authorsList=Min CUI, Fu-qiang SHI, Fan ZHANG, Ying-jun CHEN, authorCompany=null, correspAuthors=Min CUI, 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=1314918471687827663, articleId=1314918471213871309, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=基于实测的生物柴油农业机械碳质组分排放特征, columnId=1234106388364981004, journalTitle=中国环境科学, columnName=大气污染与控制, runingTitle=null, highlight=null, articleAbstract=

生物柴油作为一种碳中和燃料,其应用如何影响柴油机械尾气中关键碳质组分的排放,目前尚不清晰.为探究生物柴油对农业机械碳质组分排放的影响,本研究通过实测手段,系统分析了生物柴油混合比例(B0、B5、B20)、排放标准(国Ⅱ、国Ⅲ)、机械类型及运行工况等多因素对尾气中有机碳(OC)与元素碳(EC)化学组分(OC1-OC4、EC1-EC3)的排放影响.结果表明:(1)生物柴油掺混可显著降低OC与EC的排放因子(EFOC和EFEC),其中B20较B0农业机械的EFOC与EFEC分别下降44.6%与24.3%,其主要原因为燃料含氧量与燃烧效率提高;(2)燃料性质与燃烧温度共同影响OC与EC各组分的生成.相对于B0机械,B5机械排放的OC1,OC2占比下降,而EC2比例上升;(3)基于排放因子估算,2022年中国农业机械OC与EC排放总量分别为10608t与2507t,占道路移动源排放的27.6%与9.4%;若推广B5与B20燃油,农业机械总有机碳排放量可较B0基准分别降低35.8%与44.2%.

, authors=崔敏1, *, 史富强1, 张帆2, 陈颖军3, authorsList=崔敏, 史富强, 张帆, 陈颖军, authorCompany=null, correspAuthors=崔敏, authorNote=

崔敏(1989-),女,安徽合肥人,副教授,博士,主要从事典型大气污染源排放特征研究.发表论文20余篇..

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* 责任作者,副教授,
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崔敏(1989-),女,安徽合肥人,副教授,博士,主要从事典型大气污染源排放特征研究.发表论文20余篇..

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崔敏(1989-),女,安徽合肥人,副教授,博士,主要从事典型大气污染源排放特征研究.发表论文20余篇..

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基于实测的生物柴油农业机械碳质组分排放特征
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崔敏 1, * , 史富强 1 , 张帆 2 , 陈颖军 3
中国环境科学 | 大气污染与控制 2025,45(12): 6544-6551
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中国环境科学 |大气污染与控制 2025 , 45 (12) : 6544 -6551
基于实测的生物柴油农业机械碳质组分排放特征
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崔敏1, * , 史富强1, 张帆2, 陈颖军3
作者信息
  • 1.扬州大学环境工程系,江苏 扬州 225000
  • 2.华东师范大学地理科学学院,上海 200062
  • 3.复旦大学环境科学与工程学院,上海 200438
通讯作者:
* 责任作者,副教授,
作者简介:

崔敏(1989-),女,安徽合肥人,副教授,博士,主要从事典型大气污染源排放特征研究.发表论文20余篇..

Real-world emission characteristics of carbonaceous from agricultural machinery fueled with biodiesel
Min CUI1, * , Fu-qiang SHI1, Fan ZHANG2, Ying-jun CHEN3
Affiliations
  • 1.School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225000, China
  • 2.School of Geographic Sciences, East China Normal University, Shanghai 200062, China
  • 3.Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
出版时间: 2025-12-20
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生物柴油作为一种碳中和燃料,其应用如何影响柴油机械尾气中关键碳质组分的排放,目前尚不清晰.为探究生物柴油对农业机械碳质组分排放的影响,本研究通过实测手段,系统分析了生物柴油混合比例(B0、B5、B20)、排放标准(国Ⅱ、国Ⅲ)、机械类型及运行工况等多因素对尾气中有机碳(OC)与元素碳(EC)化学组分(OC1-OC4、EC1-EC3)的排放影响.结果表明:(1)生物柴油掺混可显著降低OC与EC的排放因子(EFOC和EFEC),其中B20较B0农业机械的EFOC与EFEC分别下降44.6%与24.3%,其主要原因为燃料含氧量与燃烧效率提高;(2)燃料性质与燃烧温度共同影响OC与EC各组分的生成.相对于B0机械,B5机械排放的OC1,OC2占比下降,而EC2比例上升;(3)基于排放因子估算,2022年中国农业机械OC与EC排放总量分别为10608t与2507t,占道路移动源排放的27.6%与9.4%;若推广B5与B20燃油,农业机械总有机碳排放量可较B0基准分别降低35.8%与44.2%.

农业机械  /  生物柴油  /  有机碳(OC)  /  元素碳(EC)  /  排放因子

Biodiesel is recognized as a carbon-neutral fuel, yet its impact on the emissions of key carbonaceous components from diesel engine exhaust remains unclear. To investigate the influence of biodiesel on carbonaceous component emissions from agricultural machinery, this study conducted real-world measurements to systematically analyse the effects of multiple factors-including biodiesel blend ratio (B0, B5, B20), emission standard (China Ⅱ, China Ⅲ), machinery type, and operating conditions-on the chemical composition of organic carbon (OC) and elemental carbon (EC) (divided by thermal stability into OC1-OC4 and EC1-EC3). The results indicated that: (1) The emission factors of OC and EC (EFOC and EFEC) were significantly reduced by biodiesel blending. For instance, EFOC and EFEC were reduced by 44.6% and 24.3%, respectively, for B20compared to B0, which was primarily attributed to increased fuel oxygen content and improved combustion efficiency. (2) The formation of OC and EC subcomponents was jointly influenced by fuel properties and combustion temperature. In emissions from B5machinery, the proportions of OC1 and OC2 were decreased, while that of EC2 was increased. (3) Based on emission factor estimates, the total national OC and EC emissions from agricultural machinery in China in 2022 were calculated to be 10608t and 2507t, respectively, accounting for 27.6% and 9.4% of road mobile source emissions. If B5 and B20 were widely adopted, total OC emissions from agricultural machinery could be reduced by 35.8% and 44.2%, respectively, compared to the B0 baseline.

agricultural machinery  /  biodiesel  /  OC  /  EC  /  emission factor
崔敏, 史富强, 张帆, 陈颖军. 基于实测的生物柴油农业机械碳质组分排放特征. 中国环境科学, 2025 , 45 (12) : 6544 -6551 .
Min CUI, Fu-qiang SHI, Fan ZHANG, Ying-jun CHEN. Real-world emission characteristics of carbonaceous from agricultural machinery fueled with biodiesel[J]. China Environmental Science, 2025 , 45 (12) : 6544 -6551 .
  • 国家自然科学基金资助项目(42107105)
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2025年第45卷第12期
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  • 接收时间:2025-05-23
  • 首发时间:2026-10-08
  • 出版时间:2025-12-20
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  • 收稿日期:2025-05-23
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国家自然科学基金资助项目(42107105)
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    1.扬州大学环境工程系,江苏 扬州 225000
    2.华东师范大学地理科学学院,上海 200062
    3.复旦大学环境科学与工程学院,上海 200438

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2种不同金属材料的力学参数
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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
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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