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A Biomass Combustion Chamber: Design, Evaluation, and a Case Study of Wheat Straw Combustion Emission Tests

Category: Biomass Combustion Aerosol

Volume: 15 | Issue: 5 | Pages: 2104-2114
DOI: 10.4209/aaqr.2015.03.0167
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To cite this article:
Tian, J., Chow, J.C., Cao, J., Han, Y., Ni, H., Chen, L.W.A., Wang, X., Huang, R., Moosmüller, H. and Watson, J.G. (2015). A Biomass Combustion Chamber: Design, Evaluation, and a Case Study of Wheat Straw Combustion Emission Tests. Aerosol Air Qual. Res. 15: 2104-2114. doi: 10.4209/aaqr.2015.03.0167.

Jie Tian1,2,3, Judith C. Chow1,4, Junji Cao 1,5, Yongming Han 1,2, Haiyan Ni1,3, L.-W. Antony Chen1,4, Xiaoliang Wang1,4, Rujin Huang1, Hans Moosmüller4, John G. Watson1,4

  • 1 Key Laboratory of Aerosol Chemistry & Physics (KLACP), Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China
  • 2 State Key Laboratory of Loess and Quaternary Geology (SKLLQG), Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China
  • 3 University of Chinese Academy of Sciences, Beijing 100049, China
  • 4 Division of Atmospheric Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, Nevada 89512, USA
  • 5 Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an 710049, China

Highlights

A combustion chamber was established to study emissions of biomass open burning.
Evaluation tests were conducted to prove its applicability in emission studies.
A case study of wheat straw combustion was performed to derive emission factors.


Abstract

Open biomass burning is a significant source of trace gases and particulate pollutants on a global scale and plays an important role in both atmospheric chemistry and climate change. To study the emission characteristics of biomass burning, with a focus on crop residue combustion in Northwest China, a combustion chamber was established. This paper describes the design, structure, and operating principles of the chamber. A series of evaluation tests were conducted, demonstrating its applicability in emission studies. The combustion chamber was equipped with a thermoanemometer and a dilution sampler as well as multiple sampling ports for interfacing with different monitors. A case study of wheat straw combustion was performed to demonstrate reproducibility and comparability of the derived emission factors with prior studies. The combustion chamber may be applied to develop emission factors to update emission inventories and source profiles for improving source apportionment.

Keywords

Combustion chamber Dilution sampling Open burning Biomass Emission factor


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