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Biofiltration of Urban Air
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Biofiltration of Urban Air

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Pollution Prevention, Mitigation and Sustainability".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 3366

Special Issue Editor

Dr. Gabriela Soreanu

E-Mail Website
Guest Editor
“Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Department of Environmental Engineering and Management, “Gheorghe Asachi” Technical University of Iasi, 73 D. Mangeron blvd., 700050 Iasi, Romania
Interests: sustainable biosystems for air treatment; environmental biotechnology; environmental engineering; process modelling and optimization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to focus on the opportunity of using different types of biofiltration techniques for solving the urban air quality issues. There is a direct connection between the urban air pollution, which is caused by various sources (e.g., industries, auto traffic, accidental releases or wrong practices in the frame of anthropogenic activities) and the actual problems related to the climate change and human health that are reaching a critical level and require emergent actions. Biofiltration is an environmentally friendly tool that can be applied for the minimization of urban air contaminants and mitigation of the associated environmental impacts. In a general approach, this biotechnology is driven by specific biota such as microorganisms, micro/macro-algae and different plants that could be involved in various biofiltration designs including biofilters, biotrickling filters, bioscrubbers or other related hybrid/combined/derivative systems (green walls/facades/roofs/terraces, etc.) for pollutant capture in a sustainable manner. Aspects providing technological insights and innovative approaches at all (bio)process levels for moving forward urban air biofiltration development and implementation are expected to be provided in the articles submitted in the frame of this call. Both original research articles and reviews are welcome.

Dr. Gabriela Soreanu
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. Sustainability 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 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

  • contaminated air biotreatment
  • microorganisms
  • (micro)algae
  • plants
  • air quality
  • sustainable development
  • environmental biotechnology

Published Papers (2 papers)

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Research

12 pages, 1625 KiB  
Article
Physiological Investigations of the Plants Involved in Air Biofiltration: Study Case
by Gabriela Soreanu, Catalin Tanase, Constantin Mardari, Dragos Lucian Gorgan and Igor Cretescu
Sustainability 2024, 16(4), 1529; https://doi.org/10.3390/su16041529 - 11 Feb 2024
Viewed by 811
Abstract
In this study, the behavior of an aerial plant (Tillandsia xerographica) during air biofiltration was investigated by monitoring the trend of the CO2 concentration in the processed air as a response to a change in the environmental conditions. In this [...] Read more.
In this study, the behavior of an aerial plant (Tillandsia xerographica) during air biofiltration was investigated by monitoring the trend of the CO2 concentration in the processed air as a response to a change in the environmental conditions. In this regard, a botanical biofilter equipped with T. xerographica was continuously operated with ambient air for about three weeks under different light intensity, air flow rate, ambient temperature, and relative humidity. The plant was able to decrease the CO2 concentration in the processed gas in both the presence/absence of light, as long as a regular alternate day/night regime was kept, this behavior being attributed to its specific plant metabolism. Overall, plant physiology under the influence of the above mentioned factors is pointed out, which in turn reveals the plant potential in urban air biofiltration, with the possibility to further address not only the carbon dioxide removal but also other trace gaseous contaminants in ambient air as well, improving the air quality and reducing the health risks associated with exposure to polluted air. Therefore, further modeling and optimization of this process, along with the investigation of the plant’s response under different contaminated environments, is expected to significantly contribute to the development of new such versatile biofilters for air treatment. Full article
(This article belongs to the Special Issue Biofiltration of Urban Air)
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16 pages, 3131 KiB  
Article
The Role of Spontaneous Flora in the Mitigation of Particulate Matter from Traffic Roads in an Urbanised Area
by Robert Popek, Beata Fornal-Pieniak, Piotr Dąbrowski and Filip Chyliński
Sustainability 2023, 15(9), 7568; https://doi.org/10.3390/su15097568 - 5 May 2023
Cited by 5 | Viewed by 1904
Abstract
Particulate matter (PM) is a serious air pollutant that poses significant health risks. One solution to reduce PM concentrations in these areas is through phytoremediation, a process that involves using plants to remove contaminants from the environment. In this study, we investigated the [...] Read more.
Particulate matter (PM) is a serious air pollutant that poses significant health risks. One solution to reduce PM concentrations in these areas is through phytoremediation, a process that involves using plants to remove contaminants from the environment. In this study, we investigated the capacity of spontaneous flora—herbaceous plants, shrubs, and trees growing in five zones from the road—to absorb PM on their foliage. The study found significant differences in the accumulation of PM, with the highest PM accumulation recorded in Zone V, which boasted a blend of the three mentioned vegetation types together. In contrast, Zones I and II, which were located close to the road and comprised solely herbaceous plants, exhibited 14.3% and 43.4% less PM accumulation, respectively. Similarly, Zone IV, with a mix of herbaceous plants and shrubs, showed 64.5% less PM accumulation, while Zone III, with only herbaceous plants, had a staggering PM accumulation reduction of 76.8%. The sum of Si+Al+Ca displayed a similar pattern. Furthermore, the findings highlighted the valuable role of plants in decreasing PM concentrations in the air, resulting in reductions of 76%, 39%, and 47% for PM10, PM2.5, and PM1.0, respectively. The results indicate that various spontaneous flora can work in unison to reduce PM, providing a multifaceted approach to combating air pollution. Full article
(This article belongs to the Special Issue Biofiltration of Urban Air)
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