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Processes
Special Issues
Process Analysis of Pollutants in Fiber Filtration, Adsorption, and Purification
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Process Analysis of Pollutants in Fiber Filtration, Adsorption, and Purification

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 407

Special Issue Editors

Dr. Xin Zhang

E-Mail Website
Guest Editor
School of Resources Engineering, Xi′an University of Architecture and Technology, Xi'an, China
Interests: ventilation and dust removal; individual protection; functional new materials
Special Issues, Collections and Topics in MDPI journals
Dr. Sumei Liu

E-Mail Website
Guest Editor
Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Interests: urban airflow; ventilation; CFD; pollutant control built environment; energy-efficient
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to the presence of various pollutants in the atmosphere, such as particulate matter, harmful gases, and planktonic microorganisms, environmental hazards to human health are growing in prevalence, leading to increased fatalities. Therefore, establishing how to effectively reduce the concentration of pollutants and create a healthy production and living environment is the primary task of environmental health research at present.

For this purpose, various technologies and functional materials have been used to efficiently filter, adsorb, and purify pollutants in the environment. Due to the influence of environmental parameters, physical aspects such as temperature, humidity, and fiber parameters, as well as the mechanism of capture, can change during the capture process of particulate matter in fibers. Therefore, clarifying the capture process of dynamic particulate matter is of great significance for effective dust reduction. Harmful gases are affected by static and dynamic adsorption during the adsorption process, and there may be differences in adsorption saturation and adsorption efficiency. Further research is needed to determine the relevant parameters that affect adsorption efficiency. During the purification process of planktonic microorganisms, due to the influence of environmental parameters, these microorganisms can reproduce on the fibers, causing secondary pollution. Therefore, effective disinfection, sterilization, and deep filtration techniques are a subject of focus in environmental health in the post-COVID-19-pandemic era.

Dr. Xin Zhang
Dr. Sumei Liu
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. Processes 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

  • particulate
  • harmful gas
  • planktonic Microorganisms
  • functional materials
  • fiber filtration
  • adsorption
  • purification

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Published Papers (1 paper)

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Research

12 pages, 1568 KB  
Article
Filtration Performance Differences Between Single-Layer rGO Composite Materials and Commonly Used Combination Double-Layer Air Filter Materials Under Low-Carbon Targets
by Wei Wei, Fumin Xu and Xin Zhang
Processes 2025, 13(9), 2746; https://doi.org/10.3390/pr13092746 - 28 Aug 2025
Viewed by 174
Abstract
Air filtering is one of the most effective methods to enhance indoor air quality, and the filtration performance and usage form are the main parameters that affect its widespread promotion. In this paper, we compare the filtration performance of single-layer rGO composite materials [...] Read more.
Air filtering is one of the most effective methods to enhance indoor air quality, and the filtration performance and usage form are the main parameters that affect its widespread promotion. In this paper, we compare the filtration performance of single-layer rGO composite materials with commonly used combination double-layer air filter materials. The results showed that the filtration performance of the single-layer filter material was lower than that of the combined double-layer filter material, with differences of only 7.18%, 4.97%, and 4.54% in filtration efficiency for PM10, PM2.5, and PM1.0. For particle sizes below 0.65 μm, however, the counting filtration efficiency of single-layer filter materials is 20.57% higher than that of combined double-layer filter materials. The resistance is significantly lower than the total resistance of the combined double-layer filter material, with a difference of 21.5–40.2 Pa. At the optimal filtration velocity, the QF values of single-layer filter materials for PM10, PM2.5, and PM1.0 are 0.0017 Pa−1, 0.0009 Pa−1, and 0.0005 Pa−1 higher than those of combined double-layer filter materials. In addition, the thickness of single-layer filter materials is 19.14 mm less than that of combined double-layer filter materials, and the volume is reduced by 70.89% under the same size conditions. Overall, single-layer rGO composite materials exhibit more advantages than their combined double-layer counterparts. The results presented herein lay the foundation for the development of filter materials and are of certain reference value. Full article
(This article belongs to the Special Issue Process Analysis of Pollutants in Fiber Filtration, Adsorption, and Purification)
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