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Adsorption Materials and Their Applications (3rd Edition)
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Adsorption Materials and Their Applications (3rd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Porous Materials".

Deadline for manuscript submissions: 20 May 2026 | Viewed by 1790

Special Issue Editor

Dr. Bożena Czech

E-Mail Website
Guest Editor
Department of Environmental Chemistry, Institute of Environmental Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, Pl. M. Curie-Sklodowskiej 5, 20-031 Lublin, Poland
Interests: catalysis; photocatalysis; AOPs; nanomaterials; ecotoxicology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The intensive development of analytical methods has resulted in an increased number of substances detected in environmental matrices, called emerging pollutants. Although they are detected at relatively low concentrations, their persistence and frequent bioactivity make them refractory pollutants. Currently, existing methods of water and wastewater treatment are ineffective in their removal; thus, there is a need to develop new effective and environmentally friendly methods for their removal. Among various proposed techniques, adsorption seems to be the best solution.

Adsorption is effective, cheap, and does not require any harsh conditions. Furthermore, the transformation of waste into precious products such as sorbents meets the requirements of circular economy and sustainable development and enables the realization of several SD goals. Engineered materials dedicated to the removal of toxic refractory pollutants may solve several environmental problems.

We are pleased to invite you to submit scientific articles, reviews, or short communications discussing the latest developments in the synthesis and application of adsorbents (carbonaceous and noncarbonaceous, and composites) and their application in water, air, or soil treatment or any other application, such as drug delivery systems, (bio)sensors, and others.

Dr. Bożena Czech
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 250 words) can be sent to the Editorial Office for assessment.

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. Materials 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 2600 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

  • adsorbents
  • adsorption
  • engineered materials
  • emerging pollutants
  • persistent pollutants
  • water and wastewater treatment
  • decontamination

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Published Papers (3 papers)

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Research

17 pages, 2801 KB  
Article
Ordered Mesoporous Carbon Modified with L-Arginine for Pb(II) Enrichment in Water Quality Control from Urban Roof Runoff
by Rafał Olchowski, Agnieszka Chałabis-Mazurek and Ryszard Dobrowolski
Materials 2026, 19(7), 1318; https://doi.org/10.3390/ma19071318 - 26 Mar 2026
Viewed by 325
Abstract
Hexagonally ordered mesoporous carbon was ozonized, and the oxidized carbonaceous material was modified with L-arginine. The ozonized and L-arginine-modified carbons were extensively characterized and tested as Pb(II) ion adsorbents, with optimization of Pb(II) solution pH, exposure time, Pb(II) ion concentration and the presence [...] Read more.
Hexagonally ordered mesoporous carbon was ozonized, and the oxidized carbonaceous material was modified with L-arginine. The ozonized and L-arginine-modified carbons were extensively characterized and tested as Pb(II) ion adsorbents, with optimization of Pb(II) solution pH, exposure time, Pb(II) ion concentration and the presence of concurrent ions. Pb(II) adsorption equilibrium was achieved within 5 min at optimal pH = 2.6 or 5.3 for the oxidized and L-arginine-modified carbonaceous materials, respectively. The adsorption kinetics of both investigated materials were best described by the pseudo-first-order model. The maximum adsorption capacity for Pb(II) ions was determined to be 16 mg g−1 (ozonized material) or 45 mg g−1 (L-arginine-modified material). The Langmuir model provided the best fit for the adsorption isotherm data. Fe(III) ions mostly hindered the Pb(II) adsorption (up to 60%) on the L-arginine-modified carbon material. L-arginine-modified carbon was used to enrich Pb(II) from simulated urban roof runoff and its determination using the slurry sampling high-resolution continuum-source graphite furnace atomic absorption spectrometry technique. The developed analytical procedure was characterized by a limit of quantification of 2.63 µg L−1, an enrichment factor of 50, and a recovery rate of 94.8%. Full article
(This article belongs to the Special Issue Adsorption Materials and Their Applications (3rd Edition))
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23 pages, 2098 KB  
Article
Valorization of Tomato Stems into Biochar for Efficient Adsorptive Removal of Cationic and Anionic Dyes from Aqueous Solutions
by Beata Doczekalska, Krzysztof Kuśmierek and Andrzej Świątkowski
Materials 2026, 19(5), 867; https://doi.org/10.3390/ma19050867 - 26 Feb 2026
Viewed by 447
Abstract
The biochars obtained by pyrolyzing tomato stems at temperatures of 400, 500, 600, and 700 °C were characterized, and their ability to absorb anionic (Direct Orange 26, DO26) and cationic (Rhodamine B, RhB) dyes from aqueous solutions was investigated. The effects of solution [...] Read more.
The biochars obtained by pyrolyzing tomato stems at temperatures of 400, 500, 600, and 700 °C were characterized, and their ability to absorb anionic (Direct Orange 26, DO26) and cationic (Rhodamine B, RhB) dyes from aqueous solutions was investigated. The effects of solution pH and ionic strength were studied. It was found that the adsorption process of both dyes was pH-dependent, but no effect of ionic strength was observed. The kinetics of dye adsorption on biochars were well described by the pseudo-second-order model. The equilibrium adsorption data were analyzed using the Freundlich, Langmuir, and Temkin isotherms. All three equations described dye adsorption on biochars quite well, although a slightly better fit was observed for the Freundlich model. The maximum adsorption capacities of BCs ranged from 54.44 mg/g (BC400) to 108.1 mg/g (BC700) for DO26 and from 4.483 mg/g (BC700) to 8.887 mg/g (BC400) for RhB. The study reveals that biochars derived from tomato stems can be used as efficient, low-cost adsorbents for the removal of anionic and cationic dyes from water. Full article
(This article belongs to the Special Issue Adsorption Materials and Their Applications (3rd Edition))
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19 pages, 4564 KB  
Article
Efficient Removal of Fluorine from Leachate of Spent Lithium Iron Phosphate Calcine by Porous Zirconium-Based Adsorbent
by Shengqi Gong, Haijun Huang, Yizheng Wang, Fupeng Liu, Zaoming Chen, Tao Jiang, Ruzhen Peng, Jinliang Wang and Xirong Chen
Materials 2025, 18(23), 5475; https://doi.org/10.3390/ma18235475 - 4 Dec 2025
Viewed by 678
Abstract
During the recycling process of spent lithium-ion batteries (LIBs), there is a large number of fluoride ions in the leaching solution. These fluoride ions not only affect the quality of lithium products, but they also have adverse effects on the environment. Therefore, the [...] Read more.
During the recycling process of spent lithium-ion batteries (LIBs), there is a large number of fluoride ions in the leaching solution. These fluoride ions not only affect the quality of lithium products, but they also have adverse effects on the environment. Therefore, the efficient and deep removal of the characteristic pollutant fluoride ions is currently a hot topic in the field of recycling spent LIBs. In this study, a porous zirconium-based adsorbent was prepared and its adsorptive properties were characterized. Due to the excellent affinity between zirconium and fluorine, the zirconium-based adsorbent exhibited excellent adsorption performance in the leaching solution of spent lithium iron phosphate (SLFP) batteries. Under the optimal adsorption conditions, the adsorption capacity reached 113.78 mg/g, and it surpassed most commercial adsorbents. The zirconium-based adsorbent followed the Langmuir isotherm model for fluoride adsorption with correlation coefficients consistently exceeding 0.95, and exhibited pseudo-second-order kinetics, demonstrating goodness-of-fit values above 0.998. The negative Gibbs free energy change thermodynamically confirms the spontaneous nature of the adsorption process. The structure of the adsorbent before and after adsorption was characterized, and the adsorption mechanism was elaborated in detail. Furthermore, the influence of the coexistence of different anions on the adsorption of fluoride ions by zirconium-based adsorbent was studied in a real leaching solution from SLFP calcine. This study provides a feasible approach to deep defluoridation for leachate from spent LIBs, and has the advantages of simple operation and high adsorption capacity. Full article
(This article belongs to the Special Issue Adsorption Materials and Their Applications (3rd Edition))
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