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Synthesis, Modification, and Application of Polymer Sorbents
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Synthesis, Modification, and Application of Polymer Sorbents

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

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 7006

Special Issue Editor

Prof. Dr. Dorota Kołodyńska

E-Mail Website
Guest Editor
Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie Skłodowska University, 20-031 Lublin, Poland
Interests: ion exchangers; active carbons; biochars; mineral sorbents; zeolites; low-cost sorbents; hybrid materials; heavy metal ions; sorption; removal; separation; environmental protection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Different types of polymeric sorbents have been prepared for the removal of pollutants from the environment. It is known that their sorption efficiency and selectivity are directly linked to the nature of both the functional group type and physical nature of the matrix. Therefore, such steps as synthesis and modification are particularly important. In addition, the type of inorganic and organic pollutants is another important parameter that must be considered.

It is my pleasure to invite you to submit to this Special Issue research articles and review papers on synthesis, modification, and application of polymeric sorbents. This Special Issue of Materials will cover recent progress, novelties, and important findings regarding methods of synthesis, physicochemical parameters modifications, for example, connected with the solubility, stability, crosslinking, and polymer architecture as well as significant differences regarding sorption properties.

Materials is fully open access. Open access (unlimited and free access by readers) increases publicity and promotes more frequent citations, as indicated by several studies. Open access is supported by the authors and their institutes through an Article Processing Charge (APC).

Please let me know if you and your colleagues are interested in submitting a manuscript for this Special Issue.

Thank you and looking forward to hearing from you.

Prof. Dr. Dorota Kołodyńska
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. 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

  • polymer sorbents
  • synthesis
  • modification
  • adsorption
  • environmental protection
  • pollutant removal
  • wastewater treatments

Published Papers (3 papers)

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Research

25 pages, 7135 KiB  
Article
Application of Ion Exchangers with the N-Methyl-D-Glucamine Groups in the V(V) Ions Adsorption Process
by Katarzyna Burdzy, Yi-Gong Chen, Gui-Yuan Lv, Su-Hong Chen and Dorota Kołodyńska
Materials 2022, 15(3), 1026; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15031026 - 28 Jan 2022
Cited by 5 | Viewed by 1916
Abstract
The adsorption capacities of ion exchangers with N-methyl-D-glucamine (NMDG) groups (Amberlite IRA 743, Lewatit MK 51, Purolite S110 and Purolite S108) relative to V(V) ions were tested in a batch system, taking into account the influence of various parameters, such as the adsorbent [...] Read more.
The adsorption capacities of ion exchangers with N-methyl-D-glucamine (NMDG) groups (Amberlite IRA 743, Lewatit MK 51, Purolite S110 and Purolite S108) relative to V(V) ions were tested in a batch system, taking into account the influence of various parameters, such as the adsorbent mass (0.05–0.20 g), phase contact time (1–240 min), initial concentration (10–150 mg/L), and temperature (293–333 K), as well as in a column system where the variable operating parameters were initial concentration (50, 100 mg/L), bed volume (10, 100 mL) and flow rate (0.6, 6 mL/min). Pseudo-first order, pseudo-second order, intraparticle diffusion and Boyd models were used to describe the kinetic studies. The best fit was obtained for the pseudo-second order model. The Langmuir, Freundlich and Temkin adsorption models were used to describe the equilibrium data to acquire better knowledge about the adsorption mechanism. The thermodynamic parameters were also calculated, which showed that the studied processes are endothermic, spontaneous and thermodynamically favorable. The physicochemical properties of the ion exchangers were characterized by nitrogen adsorption/desorption analyses, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray photo electron spectroscopy (XPS). The point of zero charge (pHPZC) was also determined. Full article
(This article belongs to the Special Issue Synthesis, Modification, and Application of Polymer Sorbents)
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15 pages, 2103 KiB  
Article
Sustainable Development of Magnetic Chitosan Core–Shell Network for the Removal of Organic Dyes from Aqueous Solutions
by Karthik Rathinam, Xinwei Kou, Ralph Hobby and Stefan Panglisch
Materials 2021, 14(24), 7701; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14247701 - 13 Dec 2021
Cited by 11 | Viewed by 2213
Abstract
The wide use of alizarin red S (ARS), a typical anthraquinone dye, has led to its continued accumulation in the aquatic environment, which causes mutagenic and carcinogenic effects on organisms. Therefore, this study focused on the removal of ARS dye by adsorption onto [...] Read more.
The wide use of alizarin red S (ARS), a typical anthraquinone dye, has led to its continued accumulation in the aquatic environment, which causes mutagenic and carcinogenic effects on organisms. Therefore, this study focused on the removal of ARS dye by adsorption onto a magnetic chitosan core–shell network (MCN). The successful synthesis of the MCN was confirmed by ATR-FTIR, SEM, and EDX analysis. The influence of several parameters on the removal of ARS dye by the MCN revealed that the adsorption process reached equilibrium after 60 min, pH played a major role, and electrostatic interactions dominated for the ARS dye removal under acidic conditions. The adsorption data were described well by the Langmuir isotherm and a pseudo-second order kinetic model. In addition to the preferable adsorption of hydrophobic dissolved organic matter (DOM) fractions onto the MCN, the electrostatic repulsive forces between the previously adsorbed DOM onto MCN and ARS dye resulted in lower ARS dye removal. Furthermore, the MCN could easily be regenerated and reused for up to at least five cycles with more than 70% of its original efficiency. Most importantly, the spent MCN was pyrolytically converted into N-doped magnetic carbon and used as an adsorbent for various dyes, thus establishing a waste-free adsorption process. Full article
(This article belongs to the Special Issue Synthesis, Modification, and Application of Polymer Sorbents)
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21 pages, 55421 KiB  
Article
Application of Modern Research Methods for the Physicochemical Characterization of Ion Exchangers
by Yi-Gong Chen, Weronika Sofińska-Chmiel, Gui-Yuan Lv, Dorota Kołodyńska and Su-Hong Chen
Materials 2021, 14(22), 7067; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14227067 - 21 Nov 2021
Cited by 10 | Viewed by 2186
Abstract
Ion exchange technique as the reversible exchange of ions between the substrate and the surrounding medium can be an effective way of removing traces of ion impurities from the waters and wastewaters and obtaining a product of ultrapure quality. Therefore, it can be [...] Read more.
Ion exchange technique as the reversible exchange of ions between the substrate and the surrounding medium can be an effective way of removing traces of ion impurities from the waters and wastewaters and obtaining a product of ultrapure quality. Therefore, it can be used in analytical chemistry, hydrometallurgy, purification and separation of metal ions, radioisotopes and organic compounds, and it also finds great application in water treatment and pollution control. In the presented paper, the new trends for ion exchanger characteristics determination and application are presented. Special attention is paid to the ion exchangers with multifunctionality for heavy metal ions removal. They show superior actions such as sorption capacity values with excellent resistance to fouling and the possibility of application in the co-current or modern packed bed counter-current systems, as well as for the condensate polishing or the conventional mixed bed systems in combination with other resins. The results of the paper are expected to help researchers to establish a powerful strategy to find a suitable ion exchanger for heavy metal ions removal from waters and wastewaters. It is important because the best ion exchangers are selected for a specific application during laboratory tests taking into account the composition of the feed solution, pH, type of ion exchangers and then the column breakthrough tests. Therefore, the optical profilometry and the X-ray photoelectron spectroscopy can prove beneficial for this purpose in the case of three different ion exchangers such as Dowex M 4195, Amberlite IRA 743 and Purolite Arsen Xnp. Full article
(This article belongs to the Special Issue Synthesis, Modification, and Application of Polymer Sorbents)
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