Journal ArticleDOI
Positively charged capillary nanofiltration membrane with high rejection for Mg2 + and Ca2 + and good separation for Mg2 + and Li +
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TLDR
In this paper, a positively charged nanofiltration (NF) membrane was fabricated via interfacial polymerization using polyethersulfone (PES) three-channel ultrafiltration (UF) membrane as substrate, polyethyleneimine (PEI) as aqueous precursor.About:
This article is published in Desalination.The article was published on 2017-10-15. It has received 157 citations till now. The article focuses on the topics: Membrane & Nanofiltration.read more
Citations
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The upper bound of thin-film composite (TFC) polyamide membranes for desalination
TL;DR: This work analyzed the tradeoff between the water permeance and the water/NaCl selectivity for TFC membranes gathered from more than 300 published papers, providing a critical tool for the evaluation and benchmarking of future membrane development works in the context of desalination and water reuse.
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Tannic Acid/Fe3+ Nanoscaffold for Interfacial Polymerization: Toward Enhanced Nanofiltration Performance
Zhiqing Yang,Zhiwen Zhou,Hao Guo,Zhikan Yao,X. Ma,X. Ma,Xiaoxiao Song,Shien-Ping Feng,Chuyang Y. Tang +8 more
TL;DR: Compared to conventional TFC nanofiltration membranes, the novel TFCn membrane successfully overcame the longstanding permeability and selectivity trade-off and paves a new avenue for fabricating high performance TFC membranes.
Journal ArticleDOI
Design principles of ion selective nanostructured membranes for the extraction of lithium ions
Amir Razmjou,Amir Razmjou,Mohsen Asadnia,Ehsan Hosseini,Asghar Habibnejad Korayem,Vicki Chen,Vicki Chen +6 more
TL;DR: Fundamental and practical challenges, as well as prospects for the targeted design of Li+ ion-selective membranes are presented, to inspire future critical research efforts in this scientifically and strategically important field.
Journal ArticleDOI
Membrane-based technologies for lithium recovery from water lithium resources: A review
Xianhui Li,Xianhui Li,Yinghui Mo,Weihua Qing,Senlin Shao,Senlin Shao,Chuyang Y. Tang,Jianxin Li +7 more
TL;DR: A comprehensive review of the advantages and challenges of the current membrane-based technologies applied to the recovery of a water lithium resource is presented in this article, where the authors highlight that the combination of membrane processes (e.g., nanofiltration, selective electrodialysis, and membrane distillation crystallization) with a conventional lithium precipitation process will lead to higher performance efficiency and lower cost.
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Novel approaches for lithium extraction from salt-lake brines: A review
TL;DR: A review of the major developments in lithium recovery from brines, starting from an overview of lithium demand and consumption, available resources and processing methods, and challenges of processing brines is presented in this paper.
References
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Journal ArticleDOI
Molecular transport through capillaries made with atomic-scale precision
Boya Radha,Ali Esfandiar,FengChao Wang,A. P. Rooney,Kalon Gopinadhan,Ashok Keerthi,Artem Mishchenko,A. Janardanan,Peter Blake,Laura Fumagalli,M. Lozada-Hidalgo,Slaven Garaj,Sarah J. Haigh,Irina V. Grigorieva,HengAn Wu,Andre K. Geim +15 more
TL;DR: This work reports the fabrication of narrow and smooth capillaries through van der Waals assembly, with atomically flat sheets at the top and bottom separated by spacers made of two-dimensional crystals with a precisely controlled number of layers, using graphene and its multilayers as archetypalTwo-dimensional materials to demonstrate this technology.
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High-Flux Positively Charged Nanocomposite Nanofiltration Membranes Filled with Poly(dopamine) Modified Multiwall Carbon Nanotubes
TL;DR: High-flux positively charged nanocomposite nanofiltration membranes were exploited by uniformly embedding poly(dopamine) modified multiwall carbon nanotubes (PDA-MWCNTs) in polyamide thin-film composite membranes, leading to significantly improved water permeability.
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Positively charged nanofiltration membranes via economically mussel-substance-simulated co-deposition for textile wastewater treatment
TL;DR: In this paper, a novel positively charged nanofiltration (NF) membrane has been facilely fabricated via a highly efficient one-step mussel-substance-simulated co-deposition of low-cost catechol and branched polyetheylenimine (PEI) onto substrates.
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Interfacially polymerized composite nanofiltration hollow fiber membranes for low-pressure water softening
Wangxi Fang,Lei Shi,Rong Wang +2 more
TL;DR: In this paper, a thin-film selective layer of the composite hollow fiber was formed through interfacial polymerization on the inner surface of a polyethersulfone (PES) ultrafiltration (UF) membrane substrate with branched polyethyleneimine (PEI) and trymesoyl chloride (TMC) employed as the monomers in aqueous and organic phases, respectively.
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Polypiperazine-amide Nanofiltration Membrane Modified by Different Functionalized Multiwalled Carbon Nanotubes (MWCNTs)
TL;DR: The increased hydrophilicity of functional groups in modified MWCNTs resulted in different nodular surface morphologies, thicknesses and hydrophilicities of the nanocomposite membranes, including a molecular weight cutoff within 300 Da and good operation stability.