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  • Feature Paper
  • Review
  • Open Access
204 Citations
32,674 Views
24 Pages

Challenges and Solutions for Global Water Scarcity

  • Hilla Shemer,
  • Shlomo Wald and
  • Raphael Semiat

Climate change, global population growth, and rising standards of living have put immense strain on natural resources, resulting in the unsecured availability of water as an existential resource. Access to high-quality drinking water is crucial for d...

  • Review
  • Open Access
78 Citations
29,078 Views
27 Pages

2 December 2023

Carbon dioxide (CO2), which results from fossil fuel combustion and industrial processes, accounts for a substantial part of the total anthropogenic greenhouse gases (GHGs). As a result, several carbon capture, utilization and storage (CCUS) technolo...

  • Feature Paper
  • Review
  • Open Access
150 Citations
27,847 Views
29 Pages

Microbial Fuel Cell Construction Features and Application for Sustainable Wastewater Treatment

  • Hridoy Roy,
  • Tanzim Ur Rahman,
  • Nishat Tasnim,
  • Jannatul Arju,
  • Md. Mustafa Rafid,
  • Md. Reazul Islam,
  • Md. Nahid Pervez,
  • Yingjie Cai,
  • Vincenzo Naddeo and
  • Md. Shahinoor Islam

A microbial fuel cell (MFC) is a system that can generate electricity by harnessing microorganisms’ metabolic activity. MFCs can be used in wastewater treatment plants since they can convert the organic matter in wastewater into electricity whi...

  • Review
  • Open Access
63 Citations
19,923 Views
24 Pages

In recent years, anion exchange membranes (AEMs) have aroused widespread interest in hydrogen production via water electrolysis using renewable energy sources. The two current commercial low-temperature water electrolysis technologies used are alkali...

  • Feature Paper
  • Review
  • Open Access
44 Citations
18,085 Views
31 Pages

Engineering Metal-Organic-Framework (MOF)-Based Membranes for Gas and Liquid Separation

  • Yutian Duan,
  • Lei Li,
  • Zhiqiang Shen,
  • Jian Cheng and
  • Kewu He

Separation is one of the most energy-intensive processes in the chemical industry, and membrane-based separation technology contributes significantly to energy conservation and emission reduction. Additionally, metal-organic framework (MOF) materials...

  • Review
  • Open Access
39 Citations
17,234 Views
23 Pages

Gas Separation Membrane Module Modeling: A Comprehensive Review

  • Marcos Da Conceicao,
  • Leo Nemetz,
  • Joanna Rivero,
  • Katherine Hornbostel and
  • Glenn Lipscomb

Membrane gas separation processes have been developed for diverse gas separation applications that include nitrogen production from air and CO2 capture from point sources. Membrane process design requires the development of stable and robust mathemat...

  • Review
  • Open Access
26 Citations
16,535 Views
30 Pages

17 November 2023

The over-exploitation of fossil fuels and their negative environmental impacts have attracted the attention of researchers worldwide, and efforts have been made to propose alternatives for the production of sustainable and clean energy. One proposed...

  • Review
  • Open Access
31 Citations
16,523 Views
34 Pages

Cellulose Membranes: Synthesis and Applications for Water and Gas Separation and Purification

  • Jinwu Wang,
  • Syed Comail Abbas,
  • Ling Li,
  • Colleen C. Walker,
  • Yonghao Ni and
  • Zhiyong Cai

Membranes are a selective barrier that allows certain species (molecules and ions) to pass through while blocking others. Some rely on size exclusion, where larger molecules get stuck while smaller ones permeate through. Others use differences in cha...

  • Feature Paper
  • Review
  • Open Access
69 Citations
14,412 Views
37 Pages

Cation Exchange Membranes and Process Optimizations in Electrodialysis for Selective Metal Separation: A Review

  • Önder Tekinalp,
  • Pauline Zimmermann,
  • Steven Holdcroft,
  • Odne Stokke Burheim and
  • Liyuan Deng

The selective separation of metal species from various sources is highly desirable in applications such as hydrometallurgy, water treatment, and energy production but also challenging. Monovalent cation exchange membranes (CEMs) show a great potentia...

  • Article
  • Open Access
41 Citations
14,243 Views
17 Pages

Analysis of PEM Water Electrolyzer Failure Due to Induced Hydrogen Crossover in Catalyst-Coated PFSA Membranes

  • Eveline Kuhnert,
  • Mathias Heidinger,
  • Daniel Sandu,
  • Viktor Hacker and
  • Merit Bodner

Polymer electrolyte membrane water electrolysis (PEMWE) is a leading candidate for the development of a sustainable hydrogen infrastructure. The heart of a PEMWE cell is represented by the membrane electrode assembly (MEA), which consists of a polyme...

  • Review
  • Open Access
31 Citations
14,046 Views
25 Pages

Membrane Separation Technology in Direct Air Capture

  • Pavlo Ignatusha,
  • Haiqing Lin,
  • Noe Kapuscinsky,
  • Ludmila Scoles,
  • Weiguo Ma,
  • Bussaraporn Patarachao and
  • Naiying Du

24 January 2024

Direct air capture (DAC) is an emerging negative CO2 emission technology that aims to introduce a feasible method for CO2 capture from the atmosphere. Unlike carbon capture from point sources, which deals with flue gas at high CO2 concentrations, car...

  • Review
  • Open Access
20 Citations
13,328 Views
83 Pages

17 October 2024

Reverse osmosis (RO) and nanofiltration (NF) are ubiquitous technologies in modern water treatment, finding applications across various sectors. However, the availability of high-quality water suitable for RO/NF feed is diminishing due to droughts ca...

  • Review
  • Open Access
42 Citations
12,894 Views
14 Pages

The Application of Membrane Separation Technology in the Pharmaceutical Industry

  • Ruirui Ma,
  • Juan Li,
  • Ping Zeng,
  • Liang Duan,
  • Jimin Dong,
  • Yunxia Ma and
  • Lingkong Yang

17 January 2024

With the advancement in membrane technology, membrane separation technology has been found increasingly widespread applications in the pharmaceutical industry. It is utilized in drug separation and purification, wastewater treatment, and the recyclin...

  • Review
  • Open Access
60 Citations
12,795 Views
27 Pages

Sustainability in Membrane Technology: Membrane Recycling and Fabrication Using Recycled Waste

  • Noman Khalid Khanzada,
  • Raed A. Al-Juboori,
  • Muzamil Khatri,
  • Farah Ejaz Ahmed,
  • Yazan Ibrahim and
  • Nidal Hilal

12 February 2024

Membrane technology has shown a promising role in combating water scarcity, a globally faced challenge. However, the disposal of end-of-life membrane modules is problematic as the current practices include incineration and landfills as their final fa...

  • Review
  • Open Access
52 Citations
12,569 Views
18 Pages

The presence of heavy metal ions in polluted wastewater represents a serious threat to human health, making proper disposal extremely important. The utilization of nanofiltration (NF) membranes has emerged as one of the most effective methods of heav...

  • Review
  • Open Access
35 Citations
12,470 Views
18 Pages

A Review of Temperature Effects on Membrane Filtration

  • Bochao Xu,
  • Wa Gao,
  • Baoqiang Liao,
  • Hao Bai,
  • Yuhang Qiao and
  • Walter Turek

24 December 2023

Membrane technology plays a vital role in drinking water and wastewater treatments. Among a number of factors affecting membrane performance, temperature is one of the dominant factors determining membrane performance. In this review, the impact of t...

  • Review
  • Open Access
74 Citations
12,310 Views
54 Pages

Forward Osmosis Membrane: Review of Fabrication, Modification, Challenges and Potential

  • Bakr M. Ibraheem,
  • Saif Al Aani,
  • Alanood A. Alsarayreh,
  • Qusay F. Alsalhy and
  • Issam K. Salih

Forward osmosis (FO) is a low-energy treatment process driven by osmosis to induce the separation of water from dissolved solutes/foulants through the membrane in hydraulic pressure absence while retaining all of these materials on the other side. Al...

  • Review
  • Open Access
23 Citations
12,199 Views
29 Pages

Existing Filtration Treatment on Drinking Water Process and Concerns Issues

  • Mashitah Che Razali,
  • Norhaliza Abdul Wahab,
  • Noorhazirah Sunar and
  • Nur Hazahsha Shamsudin

27 February 2023

Water is one of the main sources of life’s survival. It is mandatory to have good-quality water, especially for drinking. Many types of available filtration treatment can produce high-quality drinking water. As a result, it is intriguing to det...

  • Review
  • Open Access
19 Citations
12,192 Views
16 Pages

Giant vesicles (GVs), which are closed lipid bilayer membranes with a diameter of more than 1 μm, have attracted attention not only as model cell membranes but also for the construction of artificial cells. For encapsulating water-soluble material...

  • Review
  • Open Access
44 Citations
12,018 Views
41 Pages

Large-Scale Synthesis of Covalent Organic Frameworks: Challenges and Opportunities

  • Harsh Vardhan,
  • Grace Rummer,
  • Angela Deng and
  • Shengqian Ma

Connecting organic building blocks by covalent bonds to design porous crystalline networks has led to covalent organic frameworks (COFs), consequently transferring the flexibility of dynamic linkages from discrete architectures to extended structures...

  • Review
  • Open Access
35 Citations
11,543 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...

  • Review
  • Open Access
47 Citations
11,371 Views
23 Pages

Electrospun nanofiber mats are nowadays often used for biotechnological and biomedical applications, such as wound healing or tissue engineering. While most studies concentrate on their chemical and biochemical properties, the physical properties are...

  • Article
  • Open Access
2 Citations
11,274 Views
22 Pages

Evaluating the Efficiency of Magnetic Treatment for Feed Water in Reverse Osmosis Processes

  • Qian Lei,
  • Ezinwa Elele,
  • Yueyang Shen,
  • John Tang,
  • Katherine L. Guerra,
  • Frank Leitz and
  • Boris Khusid

The paper presents a new methodology for short-term (5–25 min) benchtop tests to evaluate the effectiveness of magnetic treatment of feed water for reducing mineral scaling on a reverse osmosis (RO) membrane. Scale deposition is measured at a c...

  • Review
  • Open Access
19 Citations
11,093 Views
17 Pages

Metal-organic frameworks (MOFs) have been recognized as promising materials for membrane-based separation technologies due to their exceptional porosity, structural tunability, and chemical stability. This review presents a comprehensive discussion o...

  • Review
  • Open Access
15 Citations
10,914 Views
28 Pages

5 September 2024

The global shortage of clean water is a major problem, even in water-rich regions. To solve this problem, low-cost and energy-efficient water treatment methods are needed. Membrane separation technology (MST), as a separation method with low energy c...

  • Article
  • Open Access
11 Citations
10,720 Views
15 Pages

Conformational State of Fenamates at the Membrane Interface: A MAS NOESY Study

  • Ilya A. Khodov,
  • Konstantin V. Belov,
  • Daniel Huster and
  • Holger A. Scheidt

The present work analyzes the 1H NOESY MAS NMR spectra of three fenamates (mefenamic, tolfenamic, and flufenamic acids) localized in the lipid–water interface of phosphatidyloleoylphosphatidylcholine (POPC) membranes. The observed cross-peaks i...

  • Review
  • Open Access
65 Citations
10,457 Views
29 Pages

A Review on Membrane Fouling Prediction Using Artificial Neural Networks (ANNs)

  • Waad H. Abuwatfa,
  • Nour AlSawaftah,
  • Naif Darwish,
  • William G. Pitt and
  • Ghaleb A. Husseini

Membrane fouling is a major hurdle to effective pressure-driven membrane processes, such as microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), and reverse osmosis (RO). Fouling refers to the accumulation of particles, organic and inorga...

  • Review
  • Open Access
14 Citations
10,336 Views
33 Pages

Lipid Rafts in Signalling, Diseases, and Infections: What Can Be Learned from Fluorescence Techniques?

  • Sara Anselmo,
  • Elisa Bonaccorso,
  • Chiara Gangemi,
  • Giuseppe Sancataldo,
  • Valeria Conti Nibali and
  • Giovanna D’Angelo

Lipid rafts are dynamic microdomains in the membrane, rich in cholesterol and sphingolipids, that are critical for biological processes like cell signalling, membrane trafficking, and protein organization. Their essential role is claimed in both phys...

  • Review
  • Open Access
34 Citations
10,088 Views
34 Pages

Advancements in Mixed-Matrix Membranes for Various Separation Applications: State of the Art and Future Prospects

  • Bhoga Arundhathi,
  • Manideep Pabba,
  • Shrisha S. Raj,
  • Nivedita Sahu and
  • Sundergopal Sridhar

25 October 2024

Integrating nanomaterials into membranes has revolutionized selective transport processes, offering enhanced properties and functionalities. Mixed-matrix membranes (MMMs) are nanocomposite membranes (NCMs) that incorporate inorganic nanoparticles (NP...

  • Review
  • Open Access
72 Citations
9,954 Views
27 Pages

12 September 2023

Water shortages are one of the problems caused by global industrialization, with most wastewater discharged without proper treatment, leading to contamination and limited clean water supply. Therefore, it is important to identify alternative water so...

  • Review
  • Open Access
15 Citations
9,778 Views
28 Pages

A Critical Review of the Hydrometallurgy and Pyrometallurgical Recovery Processes of Platinum Group Metals from End-of-Life Fuel Cells

  • Sinikiwe A. Mvokwe,
  • Opeoluwa O. Oyedeji,
  • Mojeed A. Agoro,
  • Edson L. Meyer and
  • Nicholas Rono

Recently, the recovery of metals extracted from the spent membrane electrode assemblies (MEAs) of fuel cells has attracted significant scientific attention due to its detrimental environmental impacts. Two major approaches, i.e., pyrometallurgical an...

  • Article
  • Open Access
5 Citations
9,581 Views
15 Pages

In direct contact membrane distillation (DCMD), heat and mass transfers occur through the porous membrane. Any model developed for the DCMD process should therefore be able to describe the mass transport mechanism through the membrane, the temperatur...

  • Review
  • Open Access
13 Citations
9,371 Views
16 Pages

The plasma membrane of mammalian cells is involved in a wide variety of cellular processes, including, but not limited to, endocytosis and exocytosis, adhesion and migration, and signaling. The regulation of these processes requires the plasma membra...

  • Review
  • Open Access
7 Citations
9,359 Views
24 Pages

Membrane-Based CO2 Capture Across Industrial Sectors: Process Conditions, Case Studies, and Implementation Insights

  • Jin Woo Park,
  • Soyeon Heo,
  • Jeong-Gu Yeo,
  • Sunghoon Lee,
  • Jin-Kuk Kim and
  • Jung Hyun Lee

Membrane-based CO2 capture has emerged as a promising technology for industrial decarbonization, offering advantages in energy efficiency, modularity, and environmental performance. This review presents a comprehensive assessment of membrane processe...

  • Article
  • Open Access
33 Citations
8,893 Views
28 Pages

A bibliometric analysis, using the Scopus database as a source, was carried out in order to study the scientific documents published up to 2021 regarding the use of electrodialysis, membrane distillation, and forward osmosis for the removal of heavy...

  • Article
  • Open Access
13 Citations
8,741 Views
14 Pages

As the semiconductor industry has grown tremendously over the last decades, its environmental impact has become a growing concern, including the withdrawal of fresh water and the generation of harmful wastewater. Tetramethylammonium hydroxide (TMAH),...

  • Review
  • Open Access
46 Citations
8,622 Views
22 Pages

Effect of Operating Parameters on the Performance of Integrated Fixed-Film Activated Sludge for Wastewater Treatment

  • Sharjeel Waqas,
  • Noorfidza Yub Harun,
  • Nonni Soraya Sambudi,
  • Kunmi Joshua Abioye,
  • Muhammad Hamad Zeeshan,
  • Abulhassan Ali,
  • Aymn Abdulrahman,
  • Loai Alkhattabi and
  • Ahmad S. Alsaadi

Integrated fixed-film activated sludge (IFAS) is a hybrid wastewater treatment process that combines suspended and attached growth. The current review provides an overview of the effect of operating parameters on the performance of IFAS and their imp...

  • Article
  • Open Access
11 Citations
8,393 Views
12 Pages

A High-Strength Solid Oxide Fuel Cell Supported by an Ordered Porous Cathode Membrane

  • Ting Chen,
  • Huilin Zhang,
  • Guozhu Zheng,
  • Qiang Xue,
  • Zuzhi Huang,
  • Yucun Zhou and
  • Shaorong Wang

4 February 2024

The phase inversion tape casting has been widely used to fabricate open straight porous supports for solid oxide fuel cells (SOFCs), which can offer better gas transmission and minimize the concentration polarization. However, the overall weak streng...

  • Review
  • Open Access
12 Citations
8,387 Views
31 Pages

In recent years, membranes have found extensive applications, primarily in wastewater purification and food packaging. However, petroleum-based membranes can be detrimental to the environment. For this reason, extensive studies are being conducted to...

  • Review
  • Open Access
15 Citations
8,383 Views
30 Pages

Advancements in Gas Separation for Energy Applications: Exploring the Potential of Polymer Membranes with Intrinsic Microporosity (PIM)

  • Carmela Astorino,
  • Eugenio De Nardo,
  • Stefania Lettieri,
  • Giuseppe Ferraro,
  • Candido Fabrizio Pirri and
  • Sergio Bocchini

6 December 2023

Membrane-based Polymers of Intrinsic Microporosity (PIMs) are promising candidates for energy-efficient industrial gas separations, especially for the separation of carbon dioxide over methane (CO2/CH4) and carbon dioxide over nitrogen (CO2/N2) for n...

  • Review
  • Open Access
28 Citations
8,330 Views
18 Pages

Green Methods for the Fabrication of Graphene Oxide Membranes: From Graphite to Membranes

  • Alessandro Pedico,
  • Luisa Baudino,
  • Anna Aixalà-Perelló and
  • Andrea Lamberti

Graphene oxide (GO) has shown great potential as a membrane material due to its unique properties, including high mechanical strength, excellent thermal stability, versatility, tunability, and outperforming molecular sieving capabilities. GO membrane...

  • Review
  • Open Access
4 Citations
8,306 Views
46 Pages

Energy-efficient and cost-effective water desalination systems can significantly replenish freshwater reserves without further stressing limited energy resources. Currently, the majority of the desalination systems are operated by non-renewable energ...

  • Review
  • Open Access
19 Citations
8,306 Views
18 Pages

A Short Review of Advances in MOF Glass Membranes for Gas Adsorption and Separation

  • Zichen Li,
  • Yumei Wang,
  • Jianxin Zhang,
  • Shiqi Cheng and
  • Yue Sun

The phenomenon of melting in metal–organic frameworks (MOFs) has recently garnered attention. Crystalline MOF materials can be transformed into an amorphous glassy state through melt-quenching treatment. The resulting MOF glass structure elimin...

  • Review
  • Open Access
21 Citations
8,180 Views
21 Pages

Biogas Upgrading Using a Single-Membrane System: A Review

  • Wirginia Tomczak,
  • Marek Gryta,
  • Monika Daniluk and
  • Sławomir Żak

In recent years, the use of biogas as a natural gas substitute has gained great attention. Typically, in addition to methane (CH4), biogas contains carbon dioxide (CO2), as well as small amounts of impurities, e.g., hydrogen sulfide (H2S), nitrogen (...

  • Feature Paper
  • Review
  • Open Access
40 Citations
8,116 Views
37 Pages

Fibrous membranes offer broad opportunities to deploy immobilized enzymes in new reactor and application designs, including multiphase continuous flow-through reactions. Enzyme immobilization is a technology strategy that simplifies the separation of...

  • Review
  • Open Access
23 Citations
8,001 Views
25 Pages

Thin-film nanocomposite (TFN) membranes have been widely investigated for water treatment applications due to their promising performance in terms of flux, salt rejection, and their antifouling properties. This review article provides an overview of...

  • Feature Paper
  • Review
  • Open Access
20 Citations
7,932 Views
25 Pages

23 October 2023

Ethanol, a versatile chemical extensively employed in several fields, including fuel production, food and beverage, pharmaceutical and healthcare industries, and chemical manufacturing, continues to witness expanding applications. Consequently, there...

  • Review
  • Open Access
87 Citations
7,920 Views
26 Pages

Nanoparticle-Embedded Polymers and Their Applications: A Review

  • Nezar H. Khdary,
  • Basha T. Almuarqab and
  • Gaber El Enany

There has been increasing interest in the study and development of nanoparticle-embedded polymeric materials and their applications to special membranes. Nanoparticle-embedded polymeric materials have been observed to have a desirable compatibility w...

  • Article
  • Open Access
10 Citations
7,828 Views
21 Pages

Characterization of the cross-sectional morphologies of polymeric membranes are critical in understanding the relationship of structure and membrane separation performances. However, preparation of cross-sectional samples with flat surfaces for scann...

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Membranes - ISSN 2077-0375