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Minerals
Special Issues
Heterogeneous Processes of Mineral Particles with Atmospheric Trace Gases
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Heterogeneous Processes of Mineral Particles with Atmospheric Trace Gases

A special issue of Minerals (ISSN 2075-163X).

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 2089

Special Issue Editors

Dr. Manolis N. Romanias

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Guest Editor
IMT Lille Douai, Univ. Lille, SAGE, 59000 Lille, France
Interests: heterogeneous reaction in the atmosphere; chemical kinetics; photocatalysis; atmospheric photochemistry; pollutant degradation
Dr. Qingxin Ma

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Guest Editor
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Interests: heterogeneous reaction in the atmosphere; hygroscopic behavior of aerosols; secondary organic aerosol; ozone and haze formation
Dr. Vassileios C. Papadimitriou

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Guest Editor
Laboratory of Photochemistry and Kinetics, Department of Chemistry, University of Crete, University Campus, Heraklion, Crete, Greece
Interests: atmospheric heterogeneous interactions; gas- and heterogeneous phases chemical kinetics and mechanisms; heterogeneoysly induced UV- and Vis-photocatalysis of novel nano-structures; atmospheriacally important species photochemistry and optical properties; air quality; climate change

Special Issue Information

Dear Colleagues,

Atmospheric aerosols of mineralogical origin, i.e., desert dust, volcanic dust and volcanic ash, are among the most abundant particles in the atmosphere. The environmental impacts of dust/ash are manifold; they influence the Earth’s climate directly by scattering and absorbing solar radiation, and indirectly by influencing cloud formation and critical atmospheric species lifetime. Once emitted into the atmosphere, dust/ash particles can uptake or scavenge atmospheric trace gases (i.e., radicals, inorganic and organic species) and thus impact their atmospheric budget and the photochemical cycles occurring in the atmosphere. In addition, these heterogeneous interactions/reactions lead to the ageing of the dust particles and can modify the optical and hygroscopic properties of the particles and thus they directly impact the climate.

The scope of this Special Issue is broad and welcomes lab, field and modeling studies related to the impact of mineral dust, volcanic dust or volcanic ash particles on the chemistry of the atmosphere, the air-quality and climate. In particular, this Special Issue welcomes comprehensive research studies or review papers aiming to further our understanding on issues related to:

  • The uptake/reaction of (i) radical species, (ii) volatile trace gases and (iii) semi/low volatile species (e.g., SOA) on the surface of dusts/ash particles;
  • The photoenhanced or photocatalytic degradation of trace gases on the surface of dust/ash particles and proxies;
  • The hygroscopic properties and ice nucleation activity of dust/ash particles and proxies;
  • Dust events and their impact evaluation on the atmospheric budget of trace gases and air quality;
  • The impact of volcanic ash on the atmospheric budget of trace gases and air quality;
  • The impact of inorganic/organic ageing on the hygroscopic and optical properties of mineral dust/ash particles (research highly recommended).

Dr. Manolis N. Romanias
Dr. Qingxin Ma
Dr. Vassileios C. Papadimitriou
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. Minerals 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

  • heterogeneous reactions on dust/ash particles
  • uptake coefficients
  • heterogeneous photo-reactions
  • ageing of dust/ash particles
  • hygroscopic properties
  • optical properties
  • photocatalysis and heterogenous atmospheric mechanisms

Published Papers (1 paper)

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Research

18 pages, 1213 KiB  
Article
How Relevant Is It to Use Mineral Proxies to Mimic the Atmospheric Reactivity of Natural Dust Samples? A Reactivity Study Using SO2 as Probe Molecule
by Darya Urupina, Manolis N. Romanias and Frederic Thevenet
Minerals 2021, 11(3), 282; https://doi.org/10.3390/min11030282 - 9 Mar 2021
Cited by 7 | Viewed by 1681
Abstract
The experimental investigation of heterogeneous atmospheric processes involving mineral aerosols is extensively performed in the literature using proxy materials. In this work we questioned the validity of using proxies such as Fe2O3, FeOOH, Al2O3, MgO, [...] Read more.
The experimental investigation of heterogeneous atmospheric processes involving mineral aerosols is extensively performed in the literature using proxy materials. In this work we questioned the validity of using proxies such as Fe2O3, FeOOH, Al2O3, MgO, CaO, TiO2, MnO2, SiO2, and CaCO3 to represent the behavior of complex mixtures of minerals, such as natural desert and volcanic dusts. Five volcanic dusts and three desert dusts were compared to a number of metal oxides, commonly used in the literature to mimic the behavior of desert dusts in the ability to form sulfites and sulfates on the surface exposed to SO2 gas. First, all samples were aged at room temperature, atmospheric pressure, under controlled experimental conditions of 175 ppm SO2 for 1 h under 30% of relative humidity. Second, they were extracted with 1% formalin and analyzed by High-Performance Liquid Chromatography (HPLC) to quantify and compare the amount of sulfites and sulfates formed on their surfaces. It was evidenced that under the experimental conditions of this study neither one selected pure oxide nor a mixture of oxides can adequately typify the behavior of complex mixtures of natural minerals. Therefore, to evaluate the real-life impact of natural dust on atmospheric processes it is of vital importance to work directly with the natural samples, both to observe the real effects of desert and volcanic dusts and to evaluate the relevancy of proposed proxies. Full article
(This article belongs to the Special Issue Heterogeneous Processes of Mineral Particles with Atmospheric Trace Gases)
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