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Atmosphere
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Shipping Emissions and Air Pollution (2nd Edition)
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Shipping Emissions and Air Pollution (2nd Edition)

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Quality".

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 4079

Special Issue Editors

Dr. Yuanqing Zhu

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: emission control technologies; marine diesel engine; selective catalytic reduction - SCR; exhaust gas cleaning - EGC
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Long Liu

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: energy conversion; internal combustion engines; marine engines; low/zero-carbon fuels; spray and combustion; combustion control
Special Issues, Collections and Topics in MDPI journals
Dr. Mocerino Luigia

E-Mail
Guest Editor
Department of Industrial Engineering, University of Naples Federico II, Naples, Italy
Interests: shipping emission; engine simulation; digital twin; air pollutant; port; airborne noise; alternative propulsion

Special Issue Information

Dear Colleagues,

International Maritime Organization proposed a new preliminary strategy for reducing greenhouse gas emissions from ships in 2018, and the global ship pollutant emission regulations will also be comprehensive, meticulous, and strict. At present, the global shipping industry is facing the dual pressure of ship exhaust pollution control and greenhouse gas emission reduction, with green shipping and efficient transportation having become the direction of development. Likely to continue in the future, the challenges facing the shipping industry include determining how to cope with the continuous upgrading of the pollutant emission regulations for marine engines, how to efficiently and economically achieve near-zero emissions of various pollutants of marine engines, and how to truly achieve green shipping, safe operation, and efficient transportation. As far as the development is concerned, the use of low-carbon and zero-carbon fuels has become one of the most effective ways to solve the problem of ship greenhouse gas emission reduction. In spite of this, the change of engine fuel type leads to the change of pollutant emission characteristics, and the upgrading of environmental protection regulations also leads to the continuous increase of pollutant limits. It is urgent to realize the near-zero emission of various pollutants from marine engines.

This Special Issue is a follow-up of the first Special Issue entitled “Shipping Emissions and Air Pollution” (https://www.mdpi.com/journal/atmosphere/special_issues/Shipping_Emission_Air_Pollution), and will cover all aspects of shipping-related air pollution issues. We invite the participation of scholars in related fields.

Dr. Yuanqing Zhu
Prof. Dr. Long Liu
Dr. Mocerino Luigia
Guest Editors

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. Atmosphere 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

  • low-emission combustion technology
  • exhaust aftertreatment technology
  • NOx reduction technology (EGR、SCR)
  • SOx reduction technology
  • PM reduction technology
  • carbon capture and storage
  • waste heat recovery technology
 

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Published Papers (3 papers)

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Research

17 pages, 2396 KiB  
Article
Experimental Setup and Machine Learning-Based Prediction Model for Electro-Cyclone Filter Efficiency: Filtering of Ship Particulate Matter Emission
by Aleksandr Šabanovič, Jonas Matijošius, Dragan Marinković, Aleksandras Chlebnikovas, Donatas Gurauskis, Johannes H. Gutheil and Artūras Kilikevičius
Atmosphere 2025, 16(1), 103; https://doi.org/10.3390/atmos16010103 - 18 Jan 2025
Viewed by 498
Abstract
Ship emissions significantly impact air quality, particularly in coastal and port regions, contributing to elevated concentrations of PM2.5, and PM10, with varying effects observed across different locations. This study investigates the effectiveness of emission control policies, inland and port-specific [...] Read more.
Ship emissions significantly impact air quality, particularly in coastal and port regions, contributing to elevated concentrations of PM2.5, and PM10, with varying effects observed across different locations. This study investigates the effectiveness of emission control policies, inland and port-specific contributions to air pollution, and the health risks posed by particulate matter (PM). A regression discontinuity model at Ningbo Port revealed that ship activities show moderate PM2.5 and PM10 variations. In Busan Port, container ships accounted for the majority of emissions, with social costs from pollutants estimated at USD 31.55 million annually. Inland shipping near the Yangtze River demonstrated significant PM contributions, emphasizing regional impacts. Health risks from PM2.5, a major global toxic pollutant, were highlighted, with links to respiratory, cardiovascular, and cognitive disorders. Advances in air purification technologies, including hybrid electrostatic filtration systems, have shown promising efficiency in removing submicron particles and toxic gases, reducing energy costs. In this paper, a random forest machine learning model developed to predict particulate concentrations post-cleaning demonstrated robust performance (MAE = 0.49 P/cm3, R2 = 0.97). These findings underscore the critical need for stringent emission controls, innovative filtration systems, and comprehensive monitoring to mitigate the environmental and health impacts of ship emissions. Full article
(This article belongs to the Special Issue Shipping Emissions and Air Pollution (2nd Edition))
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27 pages, 531 KiB  
Article
Review of the Chilean Shipping Industry: Challenges to Achieving Emissions Reductions by 2030, 2050, and Beyond by Applying Alternative Fuels
by Joel R. Pérez Osses and Carlos A. Reusser
Atmosphere 2024, 15(11), 1275; https://doi.org/10.3390/atmos15111275 - 24 Oct 2024
Viewed by 1036
Abstract
Alternative fuels are a measure discussed in the International Maritime Organization (IMO) strategy in order to reduce emissions from shipping. This is deemed necessary to achieve emissions reduction in the shipping industry, but the way in which this needs to be applied to [...] Read more.
Alternative fuels are a measure discussed in the International Maritime Organization (IMO) strategy in order to reduce emissions from shipping. This is deemed necessary to achieve emissions reduction in the shipping industry, but the way in which this needs to be applied to such a resilient industry overall is a current challenge. The increasing impact of ships’ emissions on the environment and current preventative regulations that have been introduced by the IMO present a paradigm in the consideration of alternative fuel measures that could possibly be applied to this industry. Existing and new ships are different assets that need to converge to reduce emissions partially or completely by 2030. Determining the technology readiness level (TRL) for producing these alternative fuels, and their availability to be applied to these assets, involves a mix of evaluation and analysis as covered in this work. The TRL of producing alternative fuels is at the commercial level, which means that the shipping industry could apply it by itself following economical evaluation, but these alternative fuels’ services and capabilities have not yet been evaluated in comparison to traditional fuels. A supply chain for alternative fuel production needs to be built to serve the shipping industry. This supply chain would need the support of governments because the inclusion of alternative fuels in the supply chain would impact the national energy matrix. This work presents a revised path for the Chilean shipping industry to follow, focusing on the consideration not only of the emission reduction measures themselves but also of the analysis of the impact of those measures on the supply chains, as well as the stringent necessary regulations issued by the IMO and the government. The methodology used in this review considers the revision of the actual advances towards emission reductions, the development of alternative fuels, and the possibilities of applying them, considering the current state of development of the Chilean shipping industry. This review shows that room for the development of the Chilean shipping industry exists if it wants to move towards using alternative fuels with support from the government. Full article
(This article belongs to the Special Issue Shipping Emissions and Air Pollution (2nd Edition))
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19 pages, 3767 KiB  
Article
Numerical Analysis of SO2 Absorption inside a Single Water Drop
by Amedeo Amoresano, Giuseppe Langella, Paolo Iodice and Silvia Roscioli
Atmosphere 2023, 14(12), 1746; https://doi.org/10.3390/atmos14121746 - 28 Nov 2023
Cited by 1 | Viewed by 1634
Abstract
This paper introduces a numerical model dedicated to simulating SO2 adsorption during the dynamic interplay between combustion gases and water droplets. The research delves into essential chemical–physical parameters governing mass transfer in these interphase interactions. The proposed simplified model provides preliminary results [...] Read more.
This paper introduces a numerical model dedicated to simulating SO2 adsorption during the dynamic interplay between combustion gases and water droplets. The research delves into essential chemical–physical parameters governing mass transfer in these interphase interactions. The proposed simplified model provides preliminary results regarding the granulometric curve of sprays, particularly focusing on the minimal droplet size crucial for effective wet scrubber operation. Our findings underscore a critical diameter below which the spray loses its efficacy under varied boundary conditions. Notably, a single droplet with a maximum diameter of 2 mm absorbs more SO2 than smaller counterparts, peaking at 4.36 × 10−5 g of SO2 within the simulation timeframe. Furthermore, the study explores a specific water mass, revealing that smaller droplets, such as 1 mm, significantly optimize the absorption process. These droplets achieve a SO2 absorption quantity over 5.77 times greater than that of a 2 mm droplet. This research serves as an initial tool for optimizing droplet distribution in sprays, thereby enhancing capture efficiency. The insights presented here offer valuable guidance for designing efficient wet scrubber systems, crucial for pollution control in industrial and environmental applications. Full article
(This article belongs to the Special Issue Shipping Emissions and Air Pollution (2nd Edition))
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