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Membranes, Volume 14, Issue 8

2024 August - 19 articles

Cover Story: Microplastics (MPs) cannot be treated completely in wastewater treatment plants and discharged to a water body. MPs can have adverse effects on human beings and water ecosystems. The effects of MPs (polyethylene) and organic matter (humic acid) were researched in a hybrid process of ceramic microfiltration (MF) and photocatalyst (TiO2)-mounted PES spheres with air backwashing. The roles of the MF, photo-oxidation, and adsorption of PES spheres were confirmed in an MF process, an MF process with UV irradiation (MF + UV), MF and PES sphere adsorption without UV irradiation (MF + PES), and a hybrid process incorporating MF and PES spheres with UV irradiation (MF + PES + UV). The impact of the air backwashing cycle on the filtration characteristics and treatment efficiencies in the hybrid process was studied. View this paper
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Articles (19)

  • Review
  • Open Access
72 Citations
13,778 Views
46 Pages

22 August 2024

A bibliometric study to analyze the scientific documents released until 2024 in the database Scopus related to the use of pressure-driven membrane technologies (microfiltration, ultrafiltration, nanofiltration and reverse osmosis) for heavy metal rem...

(This article belongs to the Section Membrane Applications for Water Treatment)
  • Article
  • Open Access
2 Citations
2,837 Views
12 Pages

22 August 2024

A general theory explaining how electromagnetic waves affect cells and biological systems has not been completely accepted yet; nevertheless, extremely low-frequency electromagnetic fields (ELF-EMFs) can interfere with and modify several molecular ce...

(This article belongs to the Special Issue Design Principles and Biomedical Applications of Multifunctional Biological Membranes)
  • Article
  • Open Access
4 Citations
4,641 Views
18 Pages

Performance and Enhanced Efficiency Induced by Cold Plasma on SAPO-34 Membranes for CO2 and CH4 Mixtures

  • Fnu Gorky,
  • Vashanti Storr,
  • Grace Jones,
  • Apolo Nambo and ,
  • Jacek B. Jasinski and
  • Maria L. Carreon
  • + 1 author+ 0 author

20 August 2024

In this study, we investigate the influence of cold-plasma-induced enhanced performance and efficiency of SAPO-34 membranes in the separation of CO2 and CH4 mixtures. Placing the herein presented research in a broader context, we aim to address the q...

(This article belongs to the Special Issue A Commemorative Special Issue in Honor of Dr. Moises Carreon)
  • Article
  • Open Access
5 Citations
4,315 Views
15 Pages

Stability and Performance of Commercial Membranes in High-Temperature Organic Flow Batteries

  • Chiari J. Van Cauter,
  • Yun Li,
  • Sander Van Herck and
  • Ivo F. J. Vankelecom

15 August 2024

Redox flow batteries (RFB) often operate at extreme pH conditions and may require cooling to prevent high temperatures. The stability of the battery membranes at these extreme pH-values at high temperatures is still largely unknown. In this paper, a...

(This article belongs to the Section Membrane Applications for Energy)
  • Article
  • Open Access
2 Citations
2,888 Views
17 Pages

Optimized Sulfonated Poly(Ether Ether Ketone) Membranes for In-House Produced Small-Sized Vanadium Redox Flow Battery Set-Up

  • Antonino Rizzuti,
  • Elena Dilonardo,
  • Gennaro Cozzolino,
  • Fabio Matera and ,
  • Alessandra Carbone,
  • Biagia Musio and
  • Piero Mastrorilli
  • + 2 authors+ 0 author

14 August 2024

The ionic exchange membranes represent a core component of redox flow batteries. Their features strongly affect the performance, durability, cost, and efficiency of these energy systems. Herein, the operating conditions of a lab-scale single-cell van...

(This article belongs to the Section Membrane Applications for Energy)
  • Article
  • Open Access
5 Citations
2,705 Views
19 Pages

10 August 2024

Electrically conductive membranes (ECMs) were prepared by coating porous ethylenediamine-modified polyacrylonitrile (PAN-EDA) UF membranes with an ultrathin layer of platinum (Pt) nanoparticles through magnetron sputtering. These ECMs were used in el...

(This article belongs to the Special Issue Electrochemical Membranes: Materials, Characterization, Testing, and Cleaning)
  • Article
  • Open Access
13 Citations
4,949 Views
20 Pages

The persistent presence of micro- and nanoplastics (MNPs) in aquatic environments, particularly via effluents from wastewater treatment plants (WWTPs), poses significant ecological risks. This study investigated the removal efficiency of polystyrene...

(This article belongs to the Special Issue Membrane Technologies for Water Purification)
  • Article
  • Open Access
4 Citations
4,797 Views
12 Pages

To improve the stability of high-temperature water electrolysis, I prepared membrane electrode assemblies (MEAs) using a decal method and investigated their water electrolysis properties. Nafion 115 and crosslinked sulfonated polyphenylsulfone (CSPPS...

(This article belongs to the Section Membrane Applications for Energy)
  • Article
  • Open Access
16 Citations
4,623 Views
15 Pages

The reverse osmosis water treatment process is prone to fouling issues, prompting the exploration of various membrane modification techniques to address this challenge. The primary objective of this study was to develop a precise method for modifying...

(This article belongs to the Section Membrane Fabrication and Characterization)
  • Article
  • Open Access
7 Citations
4,459 Views
22 Pages

Hydrodynamic Evaluation of a Filtering Hydrocyclone for Solid Particle/Water Separation

  • Daniel C. M. Cavalcante,
  • Hortência L. F. Magalhães,
  • Severino R. Farias Neto,
  • Ricardo S. Gomez and ,
  • João M. P. Q. Delgado,
  • Antonio G. B. Lima,
  • Danielle B. T. Vasconcelos,
  • Márcio J. V. Silva,
  • Daniel O. Farias and
  • Emmanuel F. M. Silva
  • + 8 authors+ 3 authors

A conventional hydrocyclones is a versatile equipment with a high processing capacity and low maintenance cost. Currently, several studies aim to alter the typical structure of the conventional hydrocyclone in order to modify its performance and purp...

(This article belongs to the Section Membrane Processing and Engineering)
  • Article
  • Open Access
5 Citations
3,427 Views
16 Pages

Mixed-Matrix Organo-Silica–Hydrotalcite Membrane for CO2 Separation Part 1: Synthesis and Analytical Description

  • Lucas Bünger,
  • Krassimir Garbev,
  • Angela Ullrich,
  • Peter Stemmermann and
  • Dieter Stapf

Hydrotalcite exhibits the capability to adsorb CO2 at elevated temperatures. High surface area and favorable coating properties are essential to harness its potential for practical applications. Stable alcohol-based dispersions are needed for thin fi...

(This article belongs to the Special Issue Advanced Membrane Materials for CO2 Capture and Separation)
  • Article
  • Open Access
9 Citations
3,851 Views
23 Pages

Microplastics (MPs), which are defined as plastics with a size of less than 5 mm, cannot be treated completely in wastewater treatment plants (WWTPs) and discharged to a water body because they are too small in size. It has been reported that MPs can...

(This article belongs to the Section Membrane Applications for Water Treatment)
  • Article
  • Open Access
4,386 Views
15 Pages

Lipid-Based Catalysis Demonstrated by Bilayer-Enabled Ester Hydrolysis

  • Shu Liu,
  • Kiran Kumar,
  • Tracey Bell,
  • Ayyalusamy Ramamoorthy and ,
  • David Van Winkle and
  • Steven Lenhert
  • + 1 author+ 0 author

Lipids have not traditionally been considered likely candidates for catalyzing reactions in biological systems. However, there is significant evidence that aggregates of amphiphilic compounds are capable of catalyzing reactions in synthetic organic c...

(This article belongs to the Section Membrane Fabrication and Characterization)
  • Article
  • Open Access
2 Citations
4,770 Views
15 Pages

The time-lag method is commonly used to determine membrane permeability, diffusivity and solubility in a single gas permeation experiment in a constant volume system. An unwritten assumption on which this method relies is that there is no resistance...

(This article belongs to the Section Membrane Fabrication and Characterization)
  • Article
  • Open Access
6 Citations
3,221 Views
15 Pages

In this study, nanofiltration experiments using synthetic solutions containing acetate, butyrate, and lactate are carried out to assess the impact of the feed composition, i.e., feed concentration and feed proportions, on the separation factor of cou...

(This article belongs to the Section Membrane Applications for Other Areas)
  • Article
  • Open Access
1 Citations
3,129 Views
18 Pages

Hydrogen (H2)/Toluene (TOL) Separation via One and Two Stages of the Bis(triethoxysily)ethane (BTESE) Membranes

  • Suhaina Mohd Ibrahim,
  • Xin Yu,
  • Shigeru Miyata,
  • Kengo Mishina and ,
  • Feridoun Salak,
  • Sulaiman Oladipo Lawal,
  • Toshinori Tsuru and
  • Ken-ichi Sawamura
  • + 3 authors+ 0 author

The separation ability of bis(triethoxysilyl)ethane (BTESE) membranes for hydrogen (H2) purification from hydrogen (H2)/toluene (TOL) gas mixtures after a methylcyclohexane (MCH) dehydrogenation process was investigated via one-stage and two-stage me...

(This article belongs to the Section Membrane Applications for Gas Separation)
  • Article
  • Open Access
4 Citations
3,587 Views
32 Pages

A two-stage pilot plant study has been completed that evaluated the performance of a reverse osmosis (RO) membrane process for the treatment of feedwater that consisted of a blend of a nanofiltration (NF) concentrate and brackish groundwater. Membran...

(This article belongs to the Section Membrane Applications for Water Treatment)
  • Article
  • Open Access
7 Citations
3,769 Views
19 Pages

This work is an effort to mitigate the existing environmental issues caused by brine discharge from Kuwait’s desalination plants and to find an economical and efficient way of managing reject brine from local desalination plants. Low- and high-...

(This article belongs to the Section Membrane Applications for Other Areas)
  • Article
  • Open Access
6 Citations
3,272 Views
20 Pages

Membrane distillation (MD) is widely used in the field of seawater desalination. Among its various sub-categories, air gap membrane distillation (AGMD) stands out due to its high thermal efficiency and compatibility with low-grade heat sources. This...

(This article belongs to the Section Membrane Fabrication and Characterization)
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Membranes - ISSN 2077-0375