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Atmosphere
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Air Pollution from Wastewater Management
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Air Pollution from Wastewater Management

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

Deadline for manuscript submissions: closed (11 November 2022) | Viewed by 7092

Special Issue Editors

Dr. Sunil Paul Mathew Menacherry

E-Mail
Guest Editor
German Environment Agency (UBA), Section II 3.3, Schichauweg 58, 12307 Berlin, Germany
Interests: advanced oxidation processes (AOPs) for the degradation of organic pollutants from water; structural elucidation of metabolites/degradation products of organic pollutants by High-Resolution Mass Spectrometry (HRMS); investigations on the fate and transformation of environmental pollutants in soil; monitoring of organic pollutants by Tandem Mass Spectrometry; chemical transformations in ice phase; fast kinetics of free radical reactions
Special Issues, Collections and Topics in MDPI journals
Dr. Fei He

E-Mail Website
Guest Editor
Center of Environmental and Climate Technology, Korea Institute of Energy Technology, Naju 58330, Korea
Interests: photocatalysis; thermal catalysis; air purification; catalyst controlled preparation

Special Issue Information

Dear Colleagues,

The quality of the essential ingredients of life, such as air, water, etc., is reported to have declined significantly in recent decades. Despite the extensive studies conducted by various environmental agencies as well as independent researchers across the globe, this important environmental issue has still not been fully addressed. The introduction of new classes of pollutants, such as emerging organic contaminants, further challenges environmental policy making and the current methodologies for monitoring/controlling these precious environmental resources and thereby demands more intense investigation. By recognizing the increasing importance of the abovementioned environmental scenarios, the open-access journal Atmosphere is hosting a Special Issue to showcase the most recent findings from various areas of air pollution research and their closely related environmental counterparts, such as water pollution (especially wastewater management). Topics of potential interest for this Special Issue include, but are not limited to:

  1. The role of emerging organic contaminants in increased air pollution in recent decades;
  2. Sources, occurrence, and stability of pollutants in the atmosphere;
  3. Short- and long-term impacts of atmospheric pollutant on human health;
  4. The role of wastewater management in controlling air pollution;
  5. The development of new methodologies to monitor air pollution;
  6. Laboratory models and/or real world studies for the remediation of air/water pollutants;
  7. The fate/transformation (including mechanism) of persistent pollutants in air.

Dr. Sunil Paul Mathew Menacherry
Dr. Fei He
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

  • air pollution
  • analytical methods
  • emerging organic contaminants
  • environmental pollution
  • health risk assessment
  • toxicity

Published Papers (3 papers)

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Research

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14 pages, 3741 KiB  
Article
Removing Chlorobenzene via the Synergistic Effects of Adsorption and Catalytic Oxidation over Activated Carbon Fiber Loaded with Transition Metal Oxides
by Ying Zhang, Meiwen Zhu, Qing Wei and Mingxi Wang
Atmosphere 2022, 13(12), 2074; https://doi.org/10.3390/atmos13122074 - 09 Dec 2022
Cited by 3 | Viewed by 1206
Abstract
This study focused on the elimination of chlorobenzene by dual adsorption/catalytic oxidation over activated carbon fibers (ACFs) loaded with transition metal oxides (TMOs). The TMOs were successfully loaded on the ACFs by the incipient wetness impregnation method, which has the advantages of easy [...] Read more.
This study focused on the elimination of chlorobenzene by dual adsorption/catalytic oxidation over activated carbon fibers (ACFs) loaded with transition metal oxides (TMOs). The TMOs were successfully loaded on the ACFs by the incipient wetness impregnation method, which has the advantages of easy preparation, low cost, and size uniformity. The removal effects for chlorobenzene (CB) were investigated on pristine ACFs and TMOs@ACFs in a fix-bed reactor. The adsorption/catalytic oxidation experiments result demonstrated that ACFs can be used as a very efficient adsorbent for the removal of low-concentration CB at the low temperature of 120 °C; the breakthrough time of CB over pristine ACFs can reach 15 h at an inlet concentration of 5000 ppmv and space velocity of 20,000 h−1. As the bed temperature rose above 175 °C, the CB removal mainly contributed to the catalytic oxidation of MnO2; a preferable CB removal ratio was achieved at higher temperatures in the presence of more MnO2. Therefore, CB can be effectively removed by the dual adsorbent/catalyst of MnO2@ACF at the full temperature range below 300 °C. Full article
(This article belongs to the Special Issue Air Pollution from Wastewater Management)
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16 pages, 1552 KiB  
Article
Oxidative Degradation of Pharmaceutical Waste, Theophylline, from Natural Environment
by Sunil Paul M. Menacherry, Usha K. Aravind and Charuvila T. Aravindakumar
Atmosphere 2022, 13(5), 835; https://doi.org/10.3390/atmos13050835 - 20 May 2022
Cited by 4 | Viewed by 2316
Abstract
The elimination of organic contaminants from natural resources is extremely important to ensure their (re-)usability. In this report, the degradation of a model pharmaceutical compound, theophylline, is compared between natural and laboratory-controlled environments. While the concentration of H2O2 variably affected [...] Read more.
The elimination of organic contaminants from natural resources is extremely important to ensure their (re-)usability. In this report, the degradation of a model pharmaceutical compound, theophylline, is compared between natural and laboratory-controlled environments. While the concentration of H2O2 variably affected the degradation efficiency (approximately from 8 to 20 min for complete degradation) in the photo-irradiation experiments, the inorganic compounds (NaNO3, KH2PO4 and ZnSO4) present in the medium seemed to affect the degradation by scavenging hydroxyl radicals (•OH). The end-product studies using high-resolution mass spectrometry (HRMS) ruled out the involvement of secondary radicals in the degradation mechanism. The quantitative calculation with the help of authentic standards pointed out the predominant role of hydroxylation pathways, especially in the initial stages. Although a noticeable decline in the degradation efficiency was observed in river water samples (complete degradation after 25 min with an approximately 20% total organic carbon (TOC) removal), appreciable TOC removal (70%) was eventually achieved after prolonged irradiation (1 h) and in the presence of additional H2O2 (5 times), revealing the potential of our technique. The results furnished in this report could be considered as a preliminary step for the construction of •OH-based wastewater treatment methodologies for the remediation of toxic pollutants from the real environment. Full article
(This article belongs to the Special Issue Air Pollution from Wastewater Management)
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Review

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18 pages, 1784 KiB  
Review
Single-Particle Analysis of Atmospheric Aerosols: Applications of Raman Spectroscopy
by Vishnu S. Moorchilot, Usha K. Aravind, Sunil Paul M. Menacherry and Charuvila T. Aravindakumar
Atmosphere 2022, 13(11), 1779; https://doi.org/10.3390/atmos13111779 - 28 Oct 2022
Cited by 2 | Viewed by 2676
Abstract
Atmospheric aerosols, produced as a consequence of different anthropogenic and natural processes, impart significant control over the global energy budget, climate, and human–environmental health. Their size varies across the nano–micrometer scale. Based on their origin, they may be classified into primary or secondary [...] Read more.
Atmospheric aerosols, produced as a consequence of different anthropogenic and natural processes, impart significant control over the global energy budget, climate, and human–environmental health. Their size varies across the nano–micrometer scale. Based on their origin, they may be classified into primary or secondary aerosols. Biomass burning, incomplete combustion of fossil fuels, volcanic eruptions, and traffic-related and wind-driven suspensions contribute to primary aerosol emissions. In contrast, gas-to-particle conversion within the atmosphere leads to secondary particle production. The study of atmospheric aerosols is vital to the field of atmospheric research. The dynamic nature (highly variable concentration composition and size with space and time) of aerosols makes them difficult to investigate. Today, aerosol research involves the application of various spectrometric and spectroscopic techniques. The single-particle analysis of aerosols is yet a challenge. In this review, the merits and demerits of various offline and online techniques used for aerosol research are discussed in a nutshell. Mass spectrometric techniques fail in distinguishing certain species. However, Raman spectroscopy’s emergence for the compositional analysis of aerosols resolves most of the present characterization challenges. This review focuses on Raman spectroscopy applications, the merits of this technique, and its immense scope for the measurement of various types of aerosols and their properties. Surface-enhanced Raman spectroscopy (SERS) has an advantage over conventional micro-Raman spectroscopy (MRS). The review depicts the dominance of SERS, specifically in the context of the measurement of ambient atmospheric aerosols. This review discusses two important components, namely laboratory simulation and ambient aerosol studies. Full article
(This article belongs to the Special Issue Air Pollution from Wastewater Management)
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