Characterization of morphology, structure and composition of soot particles from biomass fuel

ZHANG Bin; HU Enzhu; LIU Tianxia; HU Xianguo

doi:10.11949/j.issn.0438-1157.20140926

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Characterization of morphology, structure and composition of soot particles from biomass fuel

更新时间：2025-12-10

- Characterization of morphology, structure and composition of soot particles from biomass fuel
- CIESC Journal Issue 1, Pages: 441-448(2015)
- 作者机构：
  
  1. 合肥工业大学化学与化工学院,安徽,合肥,230009
  2. 合肥工业大学机械与汽车工程学院,安徽,合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20140926
  CLC： Q038.7
- Online First：05 January 2015，
  
  Published：05 January 2015
- 稿件说明：
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ZHANG Bin, HU Enzhu, LIU Tianxia, et al. Characterization of morphology, structure and composition of soot particles from biomass fuel[J]. CIESC Journal, 2015, (1): 441-448.
DOI：

ZHANG Bin, HU Enzhu, LIU Tianxia, et al. Characterization of morphology, structure and composition of soot particles from biomass fuel[J]. CIESC Journal, 2015, (1): 441-448. DOI： 10.11949/j.issn.0438-1157.20140926.

摘要

通过微乳化工艺分别把不同含量的精制生物质裂解油与柴油进行混合(micro-emulsified biomass fuel

MEBF)

研究了该类燃油碳烟颗粒的形貌与结构

并对其组分进行了表征。结果表明:该类燃油碳烟的一次颗粒形貌均为球形

而且一次颗粒之间互相连接构成链状团聚物。同时

精制生物质裂解油含量为20%(质量)(BS20)的混合油碳烟颗粒的平均粒径最小

约为32 nm

其他含量混合油碳烟颗粒的平均粒径均在38 nm左右。BS30石墨化程度高于其余碳烟

且BS20颗粒表面C=O和C—O—C基团含量较高

可能归因于混合油燃烧过程中复杂含氧组分的氧化程度不同。

Abstract

Emulsified biomass fuels were prepared via micro-emulsified technology. The morphology

structure and composition of soot particles formed from combusting three kinds of micro-emulsified biomass fuel (MEBF) BS10

BS20 and BS30 in which the content of refined biomass oil were 10%(mass)

20%(mass) and 30%(mass) respectively were characterized using a series of surface analysis tools

and compared with diesel soot particles (DS). The results showed that the morphology of primary soot particles for all three kinds MEBF is spherical and their aggregates are all chain-likes. The average primary particle diameter is smaller for BS20 (32 nm) than for DS (38 nm)

BS10 (39 nm) and BS30 (37 nm)

while the graphitization degree of soot particles is higher for BS30 than for DS

BS10 and BS20. Besides

the contents of C=O and C—O—C functional groups on the surfaces of BS20 particles are higher than those of others. These phenomena possibly were ascribed to the variances of oxidization degree of fuels which involved different oxygen-rich components.

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