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Atmosphere
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Heavy Metals in Atmosphere: Sources, Analysis and Impact on the...
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Heavy Metals in Atmosphere: Sources, Analysis and Impact on the Environment

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

Deadline for manuscript submissions: closed (1 February 2024) | Viewed by 5372

Special Issue Editors

Dr. Bo Zhao

E-Mail Website
Guest Editor
School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
Interests: heavy metals; CO2; NOx; Volatile Organic Pollutants (VOCs)
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Carlos Alfonso Zafra Mejía

E-Mail Website
Guest Editor
Environmental Engineering, Universidad Distrital Francisco José de Caldas, Bogotá, Colombia
Interests: urban water resources; water quality; urban pollution; heavy metals; urban hydrology; urban sediment and dust
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As a type of harmful substance in the current ecological system, heavy metals, such as mercury, arsenic, selenium, lead, etc, have attracted much more attention. The utilization of fossil fuels is considered to be one of the main sources of heavy metals. Detailly clarifying their emission routes and their impact on the environment are essential for their control. Moreover, reductions in these industrial pollutions are significant for permanent atmospheric environmental protection. Nowadays, more and more methods and technologies are developed for the emission and control of heavy metals during industry activities.

The Special Issue focuses on heavy metals emissions, impaction on the environment and advanced control technologies in industry activities. In addition, ideas and research on fossil fuel innovations as well as other pollutants' emissions and control are also welcomed.

The topics of interest for this Special Issue include, but are not limited to, the following:

  1. Pollutant emissions from the process of fossil fuel utilization.
  2. High-precision emission inventory and loss assessment from typical industries.
  3. The impact of heavy metals on the environment.
  4. Novel technologies on pollutants control in industry and their applications prospects and potential risks.

Dr. Bo Zhao
Dr. Carlos Zafra
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

  • mercury
  • heavy metals
  • fossil fuel utilization
  • industry activities
  • environment impact

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Published Papers (2 papers)

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Research

21 pages, 4147 KiB  
Article
Spatial Analysis of Heavy Metal Pollution in Road-Deposited Sediments Based on the Traffic Intensity of a Megacity
by Angélica Vanessa Goya-Heredia, Carlos Alfonso Zafra-Mejía and Hugo Alexander Rondón-Quintana
Atmosphere 2023, 14(6), 1033; https://doi.org/10.3390/atmos14061033 - 15 Jun 2023
Cited by 4 | Viewed by 3178
Abstract
Population growth has led to the intensification of average daily traffic (ADT), highlighting vehicles as one of the major sources of heavy metal (HM) pollution in cities. The objective of this paper is to conduct a spatial analysis of the HM pollution associated [...] Read more.
Population growth has led to the intensification of average daily traffic (ADT), highlighting vehicles as one of the major sources of heavy metal (HM) pollution in cities. The objective of this paper is to conduct a spatial analysis of the HM pollution associated with road-deposited sediments (RDSs), based on the ADT observed in the main roads of a Latin American megacity (Bogotá, Colombia). The following risk indices were considered: Geoaccumulation Index (Igeo), Integrated Pollution Index (IPI), Ecological Risk Index (ERI), Comprehensive Potential Ecological Risk Index (CERI), Hazard Index (HI), and Carcinogenic Risk Index (CRI). The findings confirm that a size fraction < 250 μm is the most suitable for studying the risk of HMs in the RDS from the indices considered. The best HMs indicative of the relationship with ADT are Ni, Cu, and Pb. The Pb is the HM of most attention, and Cr gains positions for its toxicity level during the evaluation of ecological, non-carcinogenic, and carcinogenic risks, respectively. Finally, the linear regression models developed between ADT and each of the risk indices considered have a better fit (R2 > 0.910) compared to the linear regression models developed between ADT and HM concentrations (R2 > 0.322). Full article
(This article belongs to the Special Issue Heavy Metals in Atmosphere: Sources, Analysis and Impact on the Environment)
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13 pages, 3655 KiB  
Article
The Effect of Atmospheric Chloride Ions on the Corrosion Fatigue of Metal Wire Clips in Power Grids
by Yifeng Zhang, Wei Chen, Hanbing Yan, Xuefeng Wang, Hanping Zhang and Shijing Wu
Atmosphere 2023, 14(2), 237; https://doi.org/10.3390/atmos14020237 - 25 Jan 2023
Cited by 2 | Viewed by 1474
Abstract
Corrosion fatigue is an important factor that limits the life of grid materials including wire clips. In order to study the effect of corrosion fatigue and to select suitable grid steels, this paper focuses on the corrosion fatigue properties of Q235 carbon steel, [...] Read more.
Corrosion fatigue is an important factor that limits the life of grid materials including wire clips. In order to study the effect of corrosion fatigue and to select suitable grid steels, this paper focuses on the corrosion fatigue properties of Q235 carbon steel, Q235 galvanized steel, and 316L stainless steel in the corrosive environments of air, 2wt% NaCl, 5wt% NaCl, and 8wt% NaCl. Through the fatigue test in the corrosive environment, and the surface morphology scanning and microstructure observation of the fracture, the following conclusions are drawn: the three materials are more susceptible to corrosion fatigue in the Cl− environment, and the higher the Cl− concentration, the greater the likelihood of fracture caused by corrosion fatigue for these three materials. By analyzing the surface roughness, dimples, and cracks in the microstructure, it is found that 316L stainless steel is highly sensitive to Cl− corrosion under cyclic stress, and Q235 galvanized steel is more resistant to Cl−. By plotting the stress fatigue life curve of Q235 galvanized steel, it is found that the corrosion fatigue life decreases as the Cl− concentration increases. For wire clips in areas with severe Cl− pollution, Q235 galvanized steel should be selected to achieve the best anti-corrosion fatigue effect; at the same time, the original parts should be repaired or replaced in a timely manner based on the predicted corrosion fatigue life. Full article
(This article belongs to the Special Issue Heavy Metals in Atmosphere: Sources, Analysis and Impact on the Environment)
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