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Membranes
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Polymer Inclusion Membrane in Industrial Application
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Polymer Inclusion Membrane in Industrial Application

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications".

Deadline for manuscript submissions: closed (25 February 2023) | Viewed by 7211

Special Issue Editors

Dr. Anna Nowik-Zaja̧c

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Guest Editor
Institute of Chemistry, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Interests: polymer inclusion membranes; macrocyclic ligands; water and wastewater treatment; membrane technologies; separation processes; removal of metal ions
Dr. Iwona Zawierucha

E-Mail Website
Guest Editor
Institute of Chemistry, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Interests: polymer inclusion membranes; water and wastewater treatment; membrane technologies; separation processes; removal of metal ions
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Grzegorz Malina

E-Mail Website
Guest Editor
Department of Hydrogeology and Engineering Geology, AGH University of Science and Technology, 30-059 Krakow, Poland
Interests: green remediation; bioavailability; immobilization; contaminants fate in soil water systems; bioremediation; permeable reactive barriers; integrated water management; environmental risk assessment; solid waste management; brownfields re-development
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

The membrane technology, a term that refers to a number of different processes using liquid membranes and in recent years also polymer inclusion membranes, has been recognized as the key technology for industrial applications. Further improvements and innovations are needed, especially in the chemical and morphological design of membrane materials, element and module design of membrane systems to enhance the process efficiency. The possibilities of improvement of the membrane material and morphology and combining membrane process with other forms of technology in a hybrid fashion are promising to industrial application.

The main aim of this Special Issue is to present novel approaches of membrane technologies in industrial applications. The scope of this Special Issue include polymer inclusion membranes applications in industry; combining membrane processes with other forms of technology; improvement of membrane selectivity and/or permeability, recovery; microstructures of membranes, process design, water and wastewater treatment; the possibility of membrane recycling and reusing, and novel applications.

This Special Issue is devoted to “Polymer Inclusion Membranes in Industrial Applications”. Authors are invited to submit their contributions in forms of research articles (based on either lab-scale or pilot-scale experiments, or simulation results), technical reporting, case studies, and critical reviews.

Dr. Anna Nowik-Zaja̧c
Dr. Iwona Zawierucha
Prof. Dr. Grzegorz Malina
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. Membranes is an international peer-reviewed open access monthly 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.

Keywords

  • polymer inclusion membranes
  • separation processes
  • metal ions
  • membrane technologies
  • composite/nanocomposite membranes
  • polymeric membranes
  • industrial applications

Published Papers (4 papers)

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Research

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15 pages, 11453 KiB  
Article
Characterization of New Polymer Material of Amino-β-Cyclodextrin and Sodium Alginate for Environmental Purposes
by Kinga Kozieł-Trąbska, Sandra Żarska, Tomasz Girek and Wojciech Ciesielski
Membranes 2023, 13(4), 447; https://doi.org/10.3390/membranes13040447 - 19 Apr 2023
Cited by 1 | Viewed by 1262
Abstract
The β-cyclodextrin polymer (PβCD) cross-linked with pyromellitic dianhydride (PD) and functionalized with an amino group (PAβCD) was introduced into a matrix made of sodium alginate (SA). Scanning electron microscopy (SEM) images showed a homogeneous surface of the composite material. Infrared spectroscopy (FTIR) testing [...] Read more.
The β-cyclodextrin polymer (PβCD) cross-linked with pyromellitic dianhydride (PD) and functionalized with an amino group (PAβCD) was introduced into a matrix made of sodium alginate (SA). Scanning electron microscopy (SEM) images showed a homogeneous surface of the composite material. Infrared spectroscopy (FTIR) testing of the PAβCD confirmed polymer formation. The tested polymer increased its solubility relative to the polymer without the amino group. Thermogravimetric analysis (TGA) confirmed the stability of the system. Differential scanning calorimetry (DSC) showed the chemical binding of PAβCD and SA. Gel permeation chromatography (GPC-SEC) showed high cross-linking of PAβCD and allowed for accurate determination of its weight. The formation of the composite material such as PAβCD introduced into a matrix made of sodium alginate (SA) has several potential environmental implications, including the use of sustainable materials, reduced waste generation, reduced toxicity, and improved solubility. Full article
(This article belongs to the Special Issue Polymer Inclusion Membrane in Industrial Application)
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14 pages, 5288 KiB  
Article
MOF-Based Sorbents Used for the Removal of Hg2+ from Aqueous Solutions via a Sorption-Assisted Microfiltration
by Agnieszka Miśkiewicz, Wojciech Starosta, Rafał Walczak and Grażyna Zakrzewska-Kołtuniewicz
Membranes 2022, 12(12), 1280; https://doi.org/10.3390/membranes12121280 - 17 Dec 2022
Cited by 1 | Viewed by 1313
Abstract
Mercury is considered to be one of the most important chemicals of public health concern. Therefore, it is necessary to develop an effective method of removing mercury ions from aqueous solutions to protect people from exposure to this element. This paper presents research [...] Read more.
Mercury is considered to be one of the most important chemicals of public health concern. Therefore, it is necessary to develop an effective method of removing mercury ions from aqueous solutions to protect people from exposure to this element. This paper presents research on the application of a sorption-assisted microfiltration (SAMF) hybrid process for the removal of Hg2+ from aqueous solutions. As adsorbents used in the process, the metal-organic-framework-UiO-66-type materials have been considered. The methods of synthesis of two types of metal-organic-framework (MOF) sorbents were developed: UiO-66_MAA modified with mercaptoacetic acid (MAA) and a composite of UiO-66 with cellulose. The results of the experiments performed proved that the separation of Hg2+ from water solutions conducted in such a system was effective; however, a relatively long initial contact time of reagents before filtration was required. The experimental results can be used to optimize the parameters of the SAMF process in order to obtain an effective method of Hg2+ removal from aqueous solutions. Full article
(This article belongs to the Special Issue Polymer Inclusion Membrane in Industrial Application)
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14 pages, 3464 KiB  
Article
Transport of Heavy Metals Pb(II), Zn(II), and Cd(II) Ions across CTA Polymer Membranes Containing Alkyl-Triazole as Ions Carrier
by Elżbieta Radzymińska-Lenarcik, Sylwia Kwiatkowska-Marks and Artur Kościuszko
Membranes 2022, 12(11), 1068; https://doi.org/10.3390/membranes12111068 - 29 Oct 2022
Cited by 3 | Viewed by 1162
Abstract
The polymer membranes of cellulose triacetate -o-NPPE-1-alkyl-triazole (alkyl= hexyl, octyl, decyl) were characterized by non-contact atomic force microscopy (AFM). The influence of membrane morphology on transport process was discussed. 1-Alkyl-triazole derivatives are new cheap compounds that have the ability to bind [...] Read more.
The polymer membranes of cellulose triacetate -o-NPPE-1-alkyl-triazole (alkyl= hexyl, octyl, decyl) were characterized by non-contact atomic force microscopy (AFM). The influence of membrane morphology on transport process was discussed. 1-Alkyl-triazole derivatives are new cheap compounds that have the ability to bind metal ions in an acidic medium. These membranes were used for the investigation of the facilitated transport of Zn(II), Cd(II), and Pb(II) ions from an aqueous nitrate feed phase. The initial flux values of metal ions transport depend on the type of carrier used. The maximum value of the initial flux for Zn(II) ions was equal to 12.34 × 10−6 molm−2s−1 (for PIMs with 1-decyltriazole). In the case of Zn(II) and Cd(II) ions as the hydrophobicity of the carrier increases, the separation coefficients SZn(II)/Cd(II) slightly increase from 1.8 to 2.4, while for Zn(II) and Pb(II) ions separation coefficients SZn(II)/Pb(II) decrease. The highest recovery factors (RF) were found for Zn(II) ions (c.a. 90%). The RF values of Cd(II) ions increase from 58% to 67%. The highest RF value for Pb(II) is 30%. The rate-limiting step in the transport of Zn(II), Cd(II) and Pb(II) ions across PIMs with 1-alkyltriazole may be the diffusion coefficient of the carrier-cation complex. The AFM images show that the distribution of the carrier in the tested membranes is homogeneous over the entire surface. The roughness values determined for PIMs with alkyltriazole are slightly higher than the roughness of PIM with the commercial carrier, for example D2EHPA. Full article
(This article belongs to the Special Issue Polymer Inclusion Membrane in Industrial Application)
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Review

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25 pages, 1318 KiB  
Review
The Use of Polymer Inclusion Membranes for the Removal of Metal Ions from Aqueous Solutions—The Latest Achievements and Potential Industrial Applications: A Review
by Małgorzata A. Kaczorowska
Membranes 2022, 12(11), 1135; https://doi.org/10.3390/membranes12111135 - 11 Nov 2022
Cited by 9 | Viewed by 2754
Abstract
The growing demand for environmentally friendly and economical methods of removing toxic metal ions from polluted waters and for the recovery of valuable noble metal ions from various types of waste, which are often treated as their secondary source, has resulted in increased [...] Read more.
The growing demand for environmentally friendly and economical methods of removing toxic metal ions from polluted waters and for the recovery of valuable noble metal ions from various types of waste, which are often treated as their secondary source, has resulted in increased interest in techniques based on the utilization of polymer inclusion membranes (PIMs). PIMs are characterized by many advantages (e.g., the possibility of simultaneous extraction and back extraction, excellent stability and high reusability), and can be adapted to the properties of the removed target analyte by appropriate selection of carriers, polymers and plasticizers used for their formulation. However, the selectivity and efficiency of the membrane process depends on many factors (e.g., membrane composition, nature of removed metal ions, composition of aqueous feed solution, etc.), and new membranes are systematically designed to improve these parameters. Numerous studies aimed at improving PIM technology may contribute to the wider use of these methods in the future on an industrial scale, e.g., in wastewater treatment. This review describes the latest achievements related to the removal of various metal ions by PIMs over the past 3 years, with particular emphasis on solutions with potential industrial application. Full article
(This article belongs to the Special Issue Polymer Inclusion Membrane in Industrial Application)
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