Advances in positively charged nanofiltration membranes: Targeted strategies for optimized water treatment

Desalination, Год журнала: 2025, Номер unknown, С. 118519 - 118519

Опубликована: Янв. 1, 2025

Язык: Английский

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Efficient desalination in fluorinated multilayered covalent organic framework: Tunning the energy landscape inside the nanochannel

Desalination, Год журнала: 2024, Номер 583, С. 117723 - 117723

Опубликована: Май 6, 2024

Язык: Английский

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Few-layer MoS2 co-assembly with GO to Optimize Defect Channels and Stability of GO Membranes for High-Performance Organic-Inorganic Separation

Journal of Hazardous Materials, Год журнала: 2025, Номер 490, С. 137770 - 137770

Опубликована: Фев. 27, 2025

Язык: Английский

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Unexpected Self‐Assembly of Nanographene Oxide Membranes upon Electron Beam Irradiation for Ultrafast Ion Sieving

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Июль 8, 2024

Nanographene oxide (nGO) flakes-graphene with a lateral size of ≈100 nm or less-hold great promise for superior flux and energy-efficient nanofiltration membranes desalination precise ionic sieving owing to their unique high-density water channels less tortuousness. However, potential usage is currently limited by several challenges, including the tricky self-assembly nano-sized flakes on substrates micron-sized pores, severe swelling in aqueous solutions, mechanical instability. Herein, successful fabrication robust membrane stacked nGO substrate pore 0.22 µm vacuum filtration reported. This achieved an unprecedented permeance above 819.1 LMH bar

Язык: Английский

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Hydrated cation–π interactions of π-electrons with hydrated Mg2+ and Ca2+ cations

The Journal of Chemical Physics, Год журнала: 2024, Номер 160(21)

Опубликована: Июнь 6, 2024

Hydrated cation–π interactions at liquid–solid interfaces between hydrated cations and aromatic ring structures of carbon-based materials are pivotal in many material, biological, chemical processes, water serves as a crucial mediator these interactions. However, full understanding the alkaline earth structures, such graphene remains elusive. Here, we present molecular picture for Mg2+ Ca2+ by using density functional theory methods. Theoretical results show that sheet can distort hydration shell to interact with directly, which is water–cation–π In contrast, quite stable interacts indirectly, mediated molecules, cation–water–π These lead anomalous order adsorption energies cations, Mg2+–π < Ca2+–π when number molecules large (n ≥ 6), contrary observed absence = 0). The behavior adsorbed on surface mainly attributed competition effects. findings provide valuable details energy onto surface.

Язык: Английский

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“Network-trapped engineering” of graphene oxide membrane with stable structure

Journal of Membrane Science, Год журнала: 2024, Номер 715, С. 123473 - 123473

Опубликована: Ноя. 1, 2024

Язык: Английский

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Bio‐Inspired 2D Nanochannels With Adaptive Gating for Intelligent Molecular Sieving

Small, Год журнала: 2025, Номер unknown

Опубликована: Фев. 24, 2025

Abstract Intelligent membranes with programmable permeance and precise sieving performance are in high demand for complex water treatment scenarios. Herein, a bioinspired membrane featuring intelligent adaptive 2D nanochannels outstanding molecule is reported. In particular, protein‐mimetic nanochannel pH‐responsive characteristics constructed by introducing sodium alginate (SA) molecular chains into GO laminates. The conformational transformation of SA under varying pH conditions enables regulation the channel size selective transport. resulting GO‐SA possesses up to 122.67 L m −2 h −1 bar , along response factor 50.12. Besides, it discovered that introduction multivalent Ca 2+ ions can stabilize structure, thereby “locking” behavior. Based on this, system designed not only realize multistage separation dye molecules, but also enable recovery recycling acid alkali. This strategy provides insights designing gated responses.

Язык: Английский

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Rational design of two-dimensional nanosheets membranes for lithium extraction from brine: Recent progress and future opportunities

Desalination, Год журнала: 2025, Номер unknown, С. 118895 - 118895

Опубликована: Апрель 1, 2025

Язык: Английский

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Nanoconfined electrostatic interaction for efficient anion sieving in graphene oxide membranes

Water Research, Год журнала: 2024, Номер 270, С. 122855 - 122855

Опубликована: Ноя. 26, 2024

Язык: Английский

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Customized polyamide nanofiltration membranes with hyperbranched polyamide-amine-modified graphene oxide interlayer for desalination

Desalination, Год журнала: 2024, Номер unknown, С. 118496 - 118496

Опубликована: Дек. 1, 2024

Язык: Английский

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