Polymeric Materials in Wastewater Treatment

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

Deadline for manuscript submissions: 31 October 2024 | Viewed by 1021

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Laboratorio de Materiales Híbridos Nanoestructurados, Instituto de Ciencias Biomédicas, Departamento de Ciencias Químico Biológicas, Universidad Autónoma de Ciudad Juárez, Anillo Envolvente del Pronaf y Estocolmo s/n, Zona Pronaf, Ciudad Juárez, Chihuahua C.P. 32310, Mexico
Interests: bacterial resistance; nanoparticles; metal oxides; biomaterials; polymeric nanocomposites
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Dear Colleagues,

Wastewater is one of the most important types of pollution in the water environment, and it poses a great threat to the natural environment and human health. With the increasing emphasis on sustainable management of water resources, water and wastewater treatment has become an integral part of maintaining ecosystems. Currently, various types of materials exhibit excellent performance and are increasingly used in wastewater treatment, such as sand filtration, adsorption, coagulation, flocculation, membrane separation, advanced oxidation processes, and ion exchange to remove various micro-pollutants from water. Polymers, as one of the most important functional materials, mainly include various natural and human-made materials such as polymer blends, films, fibres, cellulose, porous materials, nanocomposites, and hybrid nanomaterials. Polymeric materials show great potential as wastewater treatment materials due to their high molecular weight, complex structure, large surface area, and unique physicochemical properties.

Prof. Dr. Simón Yobanny Reyes-López
Guest Editor

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Keywords

  • coagulants
  • flocculants
  • adsorbents
  • polymer separation membrane
  • polymeric materials
  • wastewater treatment
  • organic contaminants

Published Papers (1 paper)

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Research

25 pages, 13531 KiB  
Article
Enhanced Adsorption Performance Cross-Linked Chitosan/Citrus reticulata Peel Waste Composites as Low-Cost and Green Bio-Adsorbents: Kinetic, Equilibrium Isotherm, and Thermodynamic Studies
by Deniz Akin Sahbaz
Polymers 2023, 15(15), 3246; https://doi.org/10.3390/polym15153246 - 30 Jul 2023
Cited by 1 | Viewed by 780
Abstract
This study revealed the synthesis of cross-linked chitosan/Citrus reticulata peel waste (C/CRPW) composites that could be used as low-cost and green bio-adsorbents for the removal of Congo red (CR) dye from aqueous solutions. C/CRPW composites containing different amounts of Citrus reticulata peel [...] Read more.
This study revealed the synthesis of cross-linked chitosan/Citrus reticulata peel waste (C/CRPW) composites that could be used as low-cost and green bio-adsorbents for the removal of Congo red (CR) dye from aqueous solutions. C/CRPW composites containing different amounts of Citrus reticulata peel waste (CRPW) and chitosan were prepared and cross-linked with glutaraldehyde. The composites were characterized by FESEM, EDS, FTIR, XRD, BET, and zeta potential measurements. The C/CRPW composites as a new type of bio-adsorbents displayed superior adsorption capability toward anionic CR molecules, and the adsorption capacities increased with the incorporation of CRPW. Effects of different ambient conditions, such as contact time, pH, adsorbent dosage, initial adsorbate concentration, and temperature, were fully studied. The conditions which obtained 43.57 mg/g of the highest adsorption capacity were conducted at pH 4 with an initial concentration of 100 mg/L, adsorbent dosage of 2.0 g/L, and contact time of 24 h at 328 K. The adsorption data was found to follow the pseudo-second-order kinetic model and the Freundlich isotherm model. According to the findings of this investigation, it was observed that the C/CRWP composites could be used as adsorbents due to their advantages, including the simple preparation process, being environmentally friendly, renewable, efficient, and low-cost. Full article
(This article belongs to the Special Issue Polymeric Materials in Wastewater Treatment)
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