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Symmetry
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Symmetry in Measurement of Combustion Derived Emissions
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Symmetry in Measurement of Combustion Derived Emissions

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Computer".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 2151

Special Issue Editors

Prof. Dr. Qing Li

E-Mail Website
Guest Editor
Department of Environment and Engineering, Fudan University, Shanghai, China
Interests: combustion-derived aerosols and their precursors; aerosol formation from gaseous pollutants in flues and plumes; fingerprinting method for addressing aerosol complexity and toxicity; air pollution control
Prof. Dr. Chenghang Zheng

E-Mail Website
Guest Editor
College of Energy Engineering, Zhejiang University, Hangzhou, China
Interests: simultaneous removal of multiple pollutants (NOx, SOx, particulate matter and heavy metal, etc.) and CO2 from flue gas; PM2.5 measurement and control

Special Issue Information

Dear Colleagues,

Exploring combustion derived emissions is critical in understanding and controling air pollution and climate change. Air quality models, atmospheric observations, and emission inventories have been intensively conducted to address these related issues in the past two decades. However, investigation related with direct measurement of combustion derived emissions has attracted much less attention. Combustion sources include solid fuels (coal, biomass, and waste) burned in domestic stoves and industial biolers for energy or smelting, open biomass burning as farming practice and wildfire, liquid fuel burned in vehicles and ships, and gas fuel burning. Pollutants emitted from combustion sources include gaseous species (CO2, NOx, SOx, NH3, HCl, VOCs, and other unconventional species) and particulate matters (PMs), which have been recognized as filtrable PMs and condensable PMs. The knowledge bridge between pollutant impacts and combustion sources, i.e., measurement of combustion derived emissions, is still urgently required to be addressed.       

This Special Issue aims to provide a comprehensive collection of recent findings and progresses on the measurement of combustion derived aerosols and their precusors by employing the symmetry or asymmetry concept in the methods and methodologies.  We welcome submissions of multidisciplinary researchs and cutting-edge approaches as reports of research findings and reviews on the following themes, but not limited to:

  • Sampling methods for aerosols derived from emission sources;
  • Measurement greenhouse gases and unconventional gaseous species;
  • Measurement and analysis methods for condensable particulate matters;
  • Conversion between aerosols and their precusors derived from combustion;
  • Aerosol formation mechanism in combustion derived flue gases and plumes;
  • Estimation on impacts of primary pollutant emissions from combustion sources. 

Prof. Dr. Qing Li
Prof. Dr. Chenghang Zheng
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Sampling method
  • Air pollution
  • Climate change
  • Aerosol
  • Condensable particulate matter
  • Unconventional pollutant
  • Power plants
  • Industrial stack
  • Household burning
  • Wildfire smoke
  • Vehicle emission
  • Incomplete combustion

Published Papers (1 paper)

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Research

12 pages, 2602 KiB  
Article
Influence of Molding Technology on Thermal Efficiencies and Pollutant Emissions from Household Solid Fuel Combustion during Cooking Activities in Chinese Rural Areas
by Juan Qi, Jianjun Wu and Lei Zhang
Symmetry 2021, 13(11), 2223; https://doi.org/10.3390/sym13112223 - 21 Nov 2021
Cited by 6 | Viewed by 1634
Abstract
Resident combustion of solid fuel has been widely acknowledged as a high potential for pollutant reduction. However, there is a marked asymmetry between more pollutant emission and less burned volatiles of biomass and coal in the combustion process. To study the solid fuel [...] Read more.
Resident combustion of solid fuel has been widely acknowledged as a high potential for pollutant reduction. However, there is a marked asymmetry between more pollutant emission and less burned volatiles of biomass and coal in the combustion process. To study the solid fuel optimum combustion form in a household stove, both the pollution reduction and energy efficient utilization of crop straws and coals were investigated. Taking the molding pressure and clay addition ratio as variable process conditions, the research of bio-coal briquette (made from the mixture of anthracite and biomass) was implemented in the range of 15~35 MP and 5~15%, respectively. Biomass and coal work complementarily for each other’s combustion property development. In particular, the pyrolysis gas produced by biomass low-temperature devolatilization is featured with low ignition point and is distributed in the bio-coal briquette. Its own combustion provides energy for anthracite particle combustion. Consequently, a positive effect was identified when bio-coal briquettes were used as residential fuel, and further improvement manifested in reducing more than 90% of particle matter (PM) and achieving about twice the thermal efficiencies (TEs) compared with the mass-weighted average values of coal briquettes and biomass briquettes. 88.8 ± 11.8%, 136.7 ± 13.7% and 81.4 ± 17.7% more TEs were provided by wheat straw–coal briquettes, rice straw–coal briquettes and maize straw–coal briquettes. 93.3 ± 3.1% (wheat straw–coal), 97.6 ± 0.2% (rice straw–coal) and 90.4 ± 2.2% (maize straw–coal) in terms of PM2.5 emission factors (EFs) was reduced. For bio-coal briquette, a 25 MPa and 10% addition were determined as the optimum molding pressure and clay addition ratio. Bio-coal briquettes with higher TEs and lower PM EFs will bring about substantial benefits for air quality promotion, human health and energy saving. Full article
(This article belongs to the Special Issue Symmetry in Measurement of Combustion Derived Emissions)
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