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Polymers
Special Issues
Applications of Polymer-Based Absorbent Materials
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Applications of Polymer-Based Absorbent Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2308

Special Issue Editors

Prof. Dr. Leonardo Fernandes Fraceto

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Guest Editor
Environmental Nanotechnology Laboratory, Department of Environmental Engineering, São Paulo State University, São Paulo, Brazil
Interests: biopolymers; nanotechnology; nanocomposites; nanomaterials; pesticides
Prof. Dr. Vera A. Alvarez

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Guest Editor
Instituto de Investigaciones en Ciencia y Tecnología de Materiales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Mar del Plata, Argentina
Interests: adsorption; arsenic; clays; biopolymers; nanotechnology; nanocomposites; nanomaterials; pesticides
Dr. Estefanía Baigorria

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Guest Editor
Instituto de Investigaciones en Ciencia y Tecnología de Materiales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Mar del Plata, Argentina
Interests: adsorption; clays; biopolymers; hybrid materials; nanocomposites; water remediation

Special Issue Information

Dear Colleagues,

Adsorption techniques are used in a variety of applications due to their advantages, such as versatility, low cost, ease of operation, and the wide range of adsorbents available. Among the many adsorbents available for use, those with eco-friendly and sustainable properties, as well as those that work with the circular economy, have stood out in recent years. The use of polymer-based adsorbent materials in numerous fields, including environmental remediation, water purification, sensors, and biomedical nanotechnology, is of scientific relevance. This Special Issue will feature papers on the various applications of polymer-based absorbent materials.

Prof. Dr. Leonardo Fernandes Fraceto
Prof. Dr. Vera A. Alvarez
Dr. Estefanía Baigorria
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. Polymers 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 2700 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.

Published Papers (2 papers)

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Research

25 pages, 5180 KiB  
Article
Valorization of Glucose-Derived Humin as a Low-Cost, Green, Reusable Adsorbent for Dye Removal, and Modeling the Process
by Thakshila Nadeeshani Dharmapriya, Ken-Lin Chang and Po-Jung Huang
Polymers 2023, 15(15), 3268; https://doi.org/10.3390/polym15153268 - 31 Jul 2023
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Abstract
Glucose can be isomerized into fructose and dehydrated into key platform biochemicals, following the “bio-refinery concept”. However, this process generates black and intractable substances called humin, which possess a polymeric furanic-type structure. In this study, glucose-derived humin (GDH) was obtained by reacting D-glucose [...] Read more.
Glucose can be isomerized into fructose and dehydrated into key platform biochemicals, following the “bio-refinery concept”. However, this process generates black and intractable substances called humin, which possess a polymeric furanic-type structure. In this study, glucose-derived humin (GDH) was obtained by reacting D-glucose with an allylamine catalyst in a deep eutectic solvent medium, followed by a carbonization step. GDH was used as a low-cost, green, and reusable adsorbent for removing cationic methylene blue (MB) dye from water. The morphology of carbonized GDH differs from pristine GDH. The removal efficiencies of MB dye using pristine GDH and carbonized GDH were 52% and 97%, respectively. Temperature measurements indicated an exothermic process following pseudo-first-order kinetics, with adsorption behavior described by the Langmuir isotherm. The optimum parameters were predicted using the response surface methodology and found to be a reaction time of 600 min, an initial dye concentration of 50 ppm, and a GDH weight of 0.11 g with 98.7% desirability. The MB dye removal rate optimized through this model was 96.85%, which was in good agreement with the experimentally obtained value (92.49%). After 10 cycles, the MB removal rate remained above 80%, showcasing the potential for GDH reuse and cost-effective wastewater treatment. Full article
(This article belongs to the Special Issue Applications of Polymer-Based Absorbent Materials)
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18 pages, 2569 KiB  
Article
Isotherm and Kinetic Study of Metal Ions Sorption on Mustard Waste Biomass Functionalized with Polymeric Thiocarbamate
by Dumitru Bulgariu, Lăcrămioara (Negrilă) Nemeş, Iftikhar Ahmad and Laura Bulgariu
Polymers 2023, 15(10), 2301; https://doi.org/10.3390/polym15102301 - 13 May 2023
Cited by 8 | Viewed by 1057
Abstract
The presence of high concentrations of metal ions in effluents resulting from industrial metal coatings is a well-known fact. Most of the time, such metal ions, once they reach the environment, significantly contribute to its degradation. Therefore, it is essential that the concentration [...] Read more.
The presence of high concentrations of metal ions in effluents resulting from industrial metal coatings is a well-known fact. Most of the time, such metal ions, once they reach the environment, significantly contribute to its degradation. Therefore, it is essential that the concentration of metal ions is reduced (as much as possible) before such effluents are discharged into the environment to minimize the negative impact on the quality of the ecosystems. Among all methods that can be used to reduce the concentration of metal ions, sorption is one of the most viable options due to its high efficiency and low cost. Moreover, due to the fact that many industrial wastes have sorbent properties, this method is in accordance with the principles of circular economy. Based on these considerations, in this study, mustard waste biomass (resulting from oil extraction) was functionalized with an industrial polymeric thiocarbamate (METALSORB) and used as a sorbent to remove Cu(II), Zn(II) and Co(II) ions from aqueous media. The best conditions for the functionalization of mustard waste biomass were found to be: mixing ratio biomass: METASORB = 1 g: 1.0 mL and a temperature of 30 °C. The experimental sorption capacities of functionalized sorbent (MET-MWB) were 0.42 mmol/g for Cu(II), 0.29 mmol/g for Zn(II) and 0.47 mmol/g for Co(II), which were obtained under the following conditions: pH of 5.0, 5.0 g sorbent/L and a temperature of 21 °C. The modeling of isotherms and kinetic curves as well as the analysis of the results obtained from desorption processes demonstrate the usefulness of this sorbent in the treatment of effluents contaminated with metal ions. In addition, tests on real wastewater samples highlight the potential of MET-MWB for large-scale applications. Full article
(This article belongs to the Special Issue Applications of Polymer-Based Absorbent Materials)
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