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Membranes
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Addressing Water Security: The Role of Membrane Technologies in the...
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Addressing Water Security: The Role of Membrane Technologies in the Removal of Organic Emerging Contaminants

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

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 4204

Special Issue Editor

Dr. Vânia Serrão Sousa

E-Mail Website
Guest Editor
CENSE, Center for Environmental and Sustainability Research, Faculty of Sciences and Technology, University of Algarve, Bldg 7, Campus de Gambelas, 8005-139 Faro, Portugal
Interests: water and wastewater treatment; emerging contaminants; advanced treatment; membrane technology; nanotechnology

Special Issue Information

Dear Colleagues,

Emerging pollutants present a new water quality and supply challenge to the water treatment industry today. This situation requires continuous efforts to innovate and develop more efficient, cost-effective, and sustainable water treatment processes. Membrane-based technologies are recognized as a promising and versatile solution to produce clean and safe water with a superior quality and, more crucially, with a lower environmental footprint. However, at the present stage, membrane-based technologies are still facing problems such as fouling and scaling, energy intensiveness, and relative high cost compared to conventional processes. Therefore, research and innovative solutions are urgently required to realize the practical application of membrane-based technologies.

This Special Issue specifically focuses on “Addressing Water Security: The Role of Membrane Technologies in the Removal of Organic Emerging Contaminants”. Membrane processes (micro, ultra, and nanofiltration) are deemed to play a major role in the future of safe water production. Therefore, this Special Issue will focus on different types of membrane technologies, as well as on hybrid treatments, welcoming both original research articles and critical reviews. Topics may include but are not limited to novel processes and methods, emerging contaminants’ removal, advanced membrane materials, optimization of existent membrane treatments, efficient membrane modification, membrane fouling control, drinking water quality improvement, wastewater reuse, and life cycle assessment.

Dr. Vânia Serrão Sousa
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. 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

  • membrane processes water treatment
  • emerging contaminants
  • wastewater reuse
  • water management
  • nanoparticles
  • pharmaceuticals

Published Papers (2 papers)

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Research

13 pages, 3509 KiB  
Article
Integration of Ultra- and Nanofiltration for Potato Processing Water (PPW) Treatment in a Circular Water Recovery System
by Paulina Rajewska, Jolanta Janiszewska and Jakub Rajewski
Membranes 2023, 13(1), 59; https://doi.org/10.3390/membranes13010059 - 3 Jan 2023
Cited by 2 | Viewed by 2021
Abstract
The article analyzes integrated ultrafiltration (UF) and nanofiltration (NF) processes for potato processing wastewater treatment for the purpose of which a laboratory filtration system for flat sheet membranes with the effective surface area of 1.4 × 10−2 m2 (UF: polysulfone, cut-off: [...] Read more.
The article analyzes integrated ultrafiltration (UF) and nanofiltration (NF) processes for potato processing wastewater treatment for the purpose of which a laboratory filtration system for flat sheet membranes with the effective surface area of 1.4 × 10−2 m2 (UF: polysulfone, cut-off: 10,000 Da; NF: polypiperazine amide, cut-off: 150–300 Da) was used. As part of the study, the effect of the transmembrane pressure of UF (0.2 MPa and 0.4 MPa) and NF (1.0 MPa and 1.8 MPa) on the permeate flux and rejection coefficient was investigated and the impact of sewage preparation methods on the degree of pollution reduction was determined. Moreover, a method for a fouling layer removal from the UF membranes is also proposed. The results of the analyses conducted by the authors show that the pretreatment stage offers additional advantages to TSS and turbidity removal. In both cases (0.2 and 0.4 MPa), UF used after the pretreatment process resulted in a 97–99% reduction in these impurities. The analysis of the determined rejection coefficients shows that the use of NaOH and H2O2 for the regeneration of the UF membrane has a positive effect on filtration efficiency. Regarding NF, the rejection coefficients for most tested parameters were higher for the 1.8 MPa process compared to 1.0 MPa, and approximately 80% of water was recovered. Full article
(This article belongs to the Special Issue Addressing Water Security: The Role of Membrane Technologies in the Removal of Organic Emerging Contaminants)
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17 pages, 4039 KiB  
Article
Remediation of Water Using a Nanofabricated Cellulose Membrane Embedded with Silver Nanoparticles
by Salma Shad, Iseult Lynch, Syed Waqar Hussain Shah and Nadia Bashir
Membranes 2022, 12(11), 1035; https://doi.org/10.3390/membranes12111035 - 24 Oct 2022
Cited by 2 | Viewed by 1670
Abstract
The removal of pesticide pollution is imperative, because of their high environmental load and persistence, and their potential for bioaccumulation in, and toxicity to the environment. Most pesticides are found to be toxic even at trace levels. AgNPs can be effectively used for [...] Read more.
The removal of pesticide pollution is imperative, because of their high environmental load and persistence, and their potential for bioaccumulation in, and toxicity to the environment. Most pesticides are found to be toxic even at trace levels. AgNPs can be effectively used for the adsorption of pesticides, and the incorporation of the AgNPs onto a support polymeric membrane enhances their effectiveness and reduces the potential unwanted consequences of intentionally adding free nanoparticles to the environment. Here, silver nanoparticles (AgNPs) were synthesized using a reliable, eco-friendly, and one-step “green” method, by reacting Mentha Piperita (mint) extract with AgNO3 aqueous solution at 60 °C in a microwave. The resulting high surface area nanoparticles are both economic and effective environmental remediation agents, playing a promising role in the elimination of aquatic pesticide pollution. Embedding the nanoparticles into a cellulose membrane at a low concentration (0.1 g) of AgNPs was shown to result in effectively adsorption of representative pesticides (Cypermethrin, Paraquat, and Cartap) within 60 min, while increasing the concentration of nanoparticles incorporated into the membrane further enhanced the removal of the exemplar pesticides from water. The high adsorption capacity makes the cellulose-AgNPs membrane an excellent substrate for the remediation of pesticide-polluted water. Full article
(This article belongs to the Special Issue Addressing Water Security: The Role of Membrane Technologies in the Removal of Organic Emerging Contaminants)
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