Separation mechanism, selectivity enhancement strategies and advanced materials for mono-/multivalent ion-selective nanofiltration membrane
2022
Mono-/multivalent ion-selective separation has become a common requirement at the water-energy nexus, including energy storage and conversion, water purification, and sustainable industrial processes....
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Membrane materials targeting carbon capture and utilization
2022
Over the past decades, fossil fuel combustion has emitted large quantities of CO2 into the atmosphere, resulting in global climate change. Nowadays, it's considered a feasible strategy to capture CO2...
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Polymer membranes for organic solvent nanofiltration: Recent progress, challenges and perspectives
2023
The development of polymer materials and polymer membrane fabrication techniques in recent years greatly elevates the importance and feasibility of organic solvent nanofiltration (OSN) technology, while...
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Recent advances of thin film composite nanofiltration membranes for Mg2+/Li+ separation
2024
The prevalent adoption of lithium-ion batteries (LIBs) has sparked a surge in interest regarding lithium extraction, particularly from lithium-rich brines. As some brine sources contain a higher ratio...
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Electro-desalination: State-of-the-art and prospective
2023
Desalination as a vital technology for removing salts from saline water, is widely employed in municipal water supply, wastewater treatment, saltwater desalination, and chemical purification. The membrane-based...
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Facilitated transport membranes for CO2/CH4 separation - State of the art
2022
Membrane separation is a promising alternative for gas purification. Facilitated transport (FT) membranes, with reversible reactions to promote CO2 transport, can simultaneously obtain high CO2 permeability...
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Engineering silica membranes for separation performance, hydrothermal stability, and production scalability
2023
Silica membranes have been successfully practiced for solvent dehydration and emerged as an exciting platform for gas separations (such as H2/CO2) due to their unique porous structures for molecular...
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Advanced microporous membranes for H2/CH4 separation: Challenges and perspectives
2021
The utilization of hydrogen is regarded as the effective approach to arrive at the global carbon-neutrality target. Hydrogen/methane separation is a necessary unit for the hydrogen production in the...
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Development and emerging application of membrane degassing technology
2023
With the development of membrane separation technology, some traditional separation and purification methods have been replaced by membrane technology. Compared to traditional method, the membrane method...
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A novel high temperature resistance thin film composite polyamide reverse osmosis membrane with covalent organic frameworks intermediate layer
2024
Both salt rejection and pressure-bearing properties of the conventional thin film composite (TFC) polyamide reverse osmosis (RO) membrane are easily weakened at high temperature. In order to improve...
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Progress in design of halloysite nanotubes-polymer nanocomposite membranes and their applications
2024
Driven by the diverse functionalization of halloysite nanotubes (HNTs) and advanced membrane preparation technologies, a tremendous progress in HNTs-polymer nanocomposite membranes has been made during...
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Universal solution to the membrane selectivity challenge: Separation merit and efficiency
2024
Membrane technology holds immense potential across multiple industries, offering sustainable solutions for challenging separations by reducing energy demand and transitioning from thermal to electrical...
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Spray-assisted assembly of thin-film composite membranes in one process
2024
Spray coating has been exploited to fabricate and tailor the morphologies of various components in thin film composite membranes separately. For the first time, here we exploit this technology to construct...
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Fouling during hemodialysis – Influence of module design and membrane surface chemistry
2024
Hemodialysis acts as an artificial kidney that selectively removes specific toxins, bio-compounds, or fluid from the main blood stream in a patient with kidney failure. The current process uses ultrafiltration-based...
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Machine learning toward improving the performance of membrane-based wastewater treatment: A review
2023
Machine learning (ML) is a data-driven approach that can be applied to design, analyze, predict, and optimize a process based on existing data. Recently, ML has found its application in improving membrane...
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Metal-organic frameworks-based mixed matrix pervaporation membranes for recovery of organics
2024
Metal-organic framework (MOF)-based mixed matrix membranes (MMMs) have attracted significant attentions for their distinguished characteristics in pervaporation such as enhanced selectivity, increased...
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Three-dimensional covalent organic frameworks for advanced membrane separations
2024
Three-dimensional covalent organic frameworks (3D COFs) have emerged as a promising class of crystalline materials due to large surface areas, interconnected porosity, and accessible active sites. Their...
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Hybrid CO2 capture processes consisting of membranes: A technical and techno-economic review
2023
Because of the greenhouse effect, there is a pressing need to restrict and reduce CO2 emissions. Post-combustion capture technology is a type of widely used technologies for CO2 capture. Compared to...
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Pore engineering in covalent organic framework membrane for gas separation
2022
Covalent Organic Frameworks (COFs) have attracted significant interest as promising separation membrane materials for their well-organized porous system and highly ordered crystalline structure. However,...
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Smart membranes for oil/water emulsions separation: A review
2022
Oily wastewater poses a significant impact on both environments and human societies. Especially, the treatment of oil/water emulsions for separating oil from water is challenging due to the high stability...
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3D printing for precision construction of ceramic membranes: Current status, challenges, and prospects
2023
3D printing of ceramic materials has gained tremendous attention in recent years due to its high efficiency and competitive prices in the fabrication of advanced ceramics with complex geometric structures....
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Positively charged nanofiltration membranes for efficient Mg2+/Li+ separation from high Mg2+/Li+ ratio brine
2023
Nanofiltration has gained increasing attention in lithium extraction from salt lake brine with high Mg2+/Li+ ratio. However, conventional nanofiltration membranes with negatively charged surfaces suffer...
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Emerging nanomaterial incorporated membranes for gas separation and pervaporation towards energetic-efficient applications
2022
Gas separation (GS) and pervaporation (PV) mainly based on solution-diffusion mechanism, are two important processes for the challenging transport and separation of gaseous and vapor molecules. Various...
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Recent advances of thin film composite membranes for pervaporation applications: A comprehensive review
2021
Thin film composite (TFC) membrane, composed of an ultrathin selective layer and a microporous support layer, has exhibited its great potential for pervaporation applications, because of the high permeability,...
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Designing energy-efficient separation membranes: Knowledge from nature for a sustainable future
2022
Membrane separation has provided efficient solutions for addressing energy and environmental challenges over the past few decades due to its low energy consumption, convenient operation, and reduced...
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