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Polymer Materials for Wastewater Treatment

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

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 5332

Special Issue Editors


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Guest Editor
Faculty of Applied Science, Ait Melloul, Ibn Zohr University, Agadir, Morocco
Interests: adsorption; removal of polluants; nanocomposite; coagulation; wastwater treatment; photocatalsyts

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Guest Editor
Faculty of Science, Ibn Zohr University, Agadir, Morocco
Interests: adsorption; clay; dye removal; photodegradation; corrosion; water treatment; electrochemistry

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Guest Editor
College of Pharmacy, Middle East University, Amman 11831, Jordan
Interests: physical chemistry; water remediation; nanocomposites; conductive polymers

Special Issue Information

Dear Colleagues,

The water pollution issue has become a major environmental problem and it results from the industrial development in various fields using clean water. Industrial activities generate large amounts of polluting wastewater, a major source of this pollution is due to the misuse of organic compounds and heavy metals, part of which (10-15%) ends up in wastewater. Thus, the pollutants contained in these effluents are particularly problematic due to their low biodegradability and their adsorption on the resulting sludge. As a result, they are released into various water bodies, leading to poor water quality, with negative effects on the environment and human health. Recently, there has been a considerable increase in academic and industrial interest in new applications of polymer-based materials or materials modified by polymers as innovative materials for the wastewater treatment. In this context, this Special Issue is open to gather articles (research or review) in the field of application of Polymer Materials in Wastewater Treatment. We are particularly interested in research into new polymer-based materials and their use for the removal of dyes, pesticides, pharmaceuticals and heavy metals from wastewater.

Dr. Ouachtak Hassan
Dr. Abdelaziz Ait Addi
Dr. Fadi Alakhras
Guest Editors

Manuscript Submission Information

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Keywords

  • removal of pollutants
  • polymer materials
  • wastewater treatment
  • adsorption of pollutants
  • polymers-based photocatalytic
  • treatment of wastewater by coagulation
  • advanced oxidation processes
  • emerging contaminants
  • membrane filtration

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Published Papers (2 papers)

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Research

17 pages, 3690 KiB  
Article
A Novel Composite Hydrogel Material for Sodium Removal and Potassium Provision
by Jin Huang, Takehiko Gotoh, Satoshi Nakai and Akihiro Ueda
Polymers 2023, 15(17), 3568; https://doi.org/10.3390/polym15173568 - 28 Aug 2023
Viewed by 1605
Abstract
Sodium ions are commonly found in natural water sources, and their high concentrations can potentially lead to adverse effects on both the water sources and soil quality. In this study, we successfully synthesized potassium polyacrylate (KMAA) hydrogel through free radical polymerization and evaluated [...] Read more.
Sodium ions are commonly found in natural water sources, and their high concentrations can potentially lead to adverse effects on both the water sources and soil quality. In this study, we successfully synthesized potassium polyacrylate (KMAA) hydrogel through free radical polymerization and evaluated its capability to remove sodium ions from and supply potassium ions to aqueous solutions. To assess its performance, inductively coupled plasma emission spectroscopy (ICP) was employed to analyze the sodium ion removal capacity and potassium ion exchange capability of the KMAA hydrogel at various initial sodium ion concentrations and pH values. The results demonstrated that the KMAA hydrogel exhibited remarkable efficiency in removing sodium ions and providing potassium ions. At pH 7, the maximum adsorption capacity for sodium ions was measured at 70.7 mg·g−1. The Langmuir model, with a correlation coefficient of 0.98, was found to be more suitable for describing the adsorption process of sodium ions. Moreover, at pH 4, the maximum exchange capacity for potassium ions reached 243.7 mg·g−1. The Freundlich model, with a correlation coefficient of 0.99, was deemed more appropriate for characterizing the ion exchange behavior of potassium ions. In conclusion, the successfully synthesized KMAA hydrogel demonstrates superior performance in removing sodium ions and supplying potassium ions, providing valuable insights for addressing high sodium ion concentrations in water sources and facilitating potassium fertilizer supply. Full article
(This article belongs to the Special Issue Polymer Materials for Wastewater Treatment)
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23 pages, 8526 KiB  
Article
Preparation and Characterization of a Renewable Starch-g-(MA-DETA) Copolymer and Its Adjustment for Dye Removal Applications
by Lolwah Alfuhaid, Eman Al-Abbad, Shouq Alshammari, Aljawharah Alotaibi, Naved Malek and Azza Al-Ghamdi
Polymers 2023, 15(5), 1197; https://doi.org/10.3390/polym15051197 - 27 Feb 2023
Cited by 6 | Viewed by 2409
Abstract
Maleic anhydride-diethylenetriamine grafted on starch (st-g-(MA-DETA)) was synthesized through graft copolymerization, and the different parameters (copolymerization temperature, reaction time, concentration of initiator and monomer concentration) affecting starch graft percentage were studied to achieve the maximum grafting percentage. The maximum grafting percentage was found [...] Read more.
Maleic anhydride-diethylenetriamine grafted on starch (st-g-(MA-DETA)) was synthesized through graft copolymerization, and the different parameters (copolymerization temperature, reaction time, concentration of initiator and monomer concentration) affecting starch graft percentage were studied to achieve the maximum grafting percentage. The maximum grafting percentage was found to be 29.17%. The starch and grafted starch copolymer were characterized using XRD, FTIR, SEM, EDS, NMR, and TGA analytical techniques to describe copolymerization. The crystallinity of starch and grafted starch was studied by XRD, confirming that grafted starch has a semicrystalline nature and indicating that the grafting reaction took place typically in the amorphous region of starch. NMR and IR spectroscopic techniques confirmed the successful synthesis of the st-g-(MA-DETA) copolymer. A TGA study revealed that grafting affects the thermal stability of starch. An SEM analysis showed the microparticles are distributed unevenly. Modified starch with the highest grafting ratio was then applied to celestine dye removal from water using different parameters. The experimental results indicated that St-g-(MA-DETA) has excellent dye removal properties in comparison to native starch. Full article
(This article belongs to the Special Issue Polymer Materials for Wastewater Treatment)
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