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Advances in Reduction Technologies of Gas Emissions (CO2, NOx, and SO2) in Combustion-Related Applications: Volume III

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B: Energy and Environment".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 840

Special Issue Editor

Special Issue Information

Dear Colleagues,

Fossil fuels have been used as major energy sources in power generation, transportation, and industrial sectors because of their abundance and inexpensive price. However, critical issues related to a harmful effect on human health and the environment by their utilization cannot be overlooked have risen. There has also been tremendous pressure on fields of energy systems using fossil fuels to restrict pollutant emissions (CO2, NOx, and SO2), because these gas emissions in the atmosphere increase energy consumption in the world. Accordingly, reduction technology for gas emissions has been firmly established from fundamental to advanced research on industrial energy systems in the last several decades.

This Special Issue of Energies focuses on recent advances in reduction technologies of gas emissions in combustion-related applications. Topics of interest include, but are not limited to the following:

  • Emission control technologies by experimental and numerical approaches;
  • Emission control technologies in pre-combustion, in-furnace combustion, and post-combustion;
  • Emission control technologies in power generation, transportation, and industrial process;
  • New process and equipment development for efficient gas emission reduction;
  • Utilization in various fossil fuels (coal, natural gas, biomass, and their blends);
  • Optimization for emission control with machine learning applications in energy systems.

Dr. Yonmo Sung
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. Energies is an international peer-reviewed open access semimonthly 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 2600 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

  • combustion
  • burner
  • flame
  • hydrogen
  • ammonia
  • coal
  • natural gas
  • biomass
  • gas emission
  • energy conversion

Published Papers (1 paper)

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Research

16 pages, 3288 KiB  
Article
Numerical Study on Compact Design in Marine Urea-SCR Systems for Small Ship Applications
by Wontak Choi, Seunggi Choi, Sangkyung Na, Dongmin Shin, Hyomin Jeong and Yonmo Sung
Energies 2024, 17(1), 187; https://doi.org/10.3390/en17010187 - 29 Dec 2023
Viewed by 628
Abstract
With increasingly stringent emissions legislation, such as that stipulated by the International Maritime Organization, for nitrogen oxide emission reduction in marine diesel engines, the imperative of curtailing nitrogen oxide emissions from marine diesel engines is intensifying. Consequently, the significance of aftertreatment technologies, including [...] Read more.
With increasingly stringent emissions legislation, such as that stipulated by the International Maritime Organization, for nitrogen oxide emission reduction in marine diesel engines, the imperative of curtailing nitrogen oxide emissions from marine diesel engines is intensifying. Consequently, the significance of aftertreatment technologies, including diesel particulate filters (DPFs) and selective catalytic reduction (SCR), is poised to grow substantially. In particular, a redesign is required to reduce the size of DPF and SCR systems for application in small ships. In this study, we varied the shape of the filters in DPF and SCR systems, aiming to achieve a distinct flow pattern and enable overall miniaturization. The performance metrics, including the nitric oxide (NO) reduction rate, NH3 slip rate, and pressure drop, of the redesigned models were compared with those of the conventional model. Computational fluid dynamics simulations were used to compare the performance of the redesigned model with that of the conventional model in terms of NO reduction and pressure drop. The redesigned system achieved a NO reduction rate of 6.9% below that of the conventional system, offering additional noteworthy benefits such as a 50% reduction in both pressure and overall length. Full article
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