Janus Membranes with Asymmetric Superwettability for High-Performance and Long-Term On-Demand Oil/Water Emulsion Separation

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(12), P. 15558 - 15568

Published: March 13, 2024

Current single-function superwettable materials are typically designed for either oil removal or water and constrained by density, limiting their widespread applications. Janus membranes with opposite wettability on two surfaces have recently emerged present attractive opportunities on-demand oil/water emulsion separation. Here, a combination strategy is introduced to prepare membrane asymmetric superwettability switchable A mussel-inspired interface introduction cooperating the sequence-confined surface modification not only brings about an but also guarantees outstanding stable remarkable chemical stability surfaces. Specifically, superhydrophilic underwater superoleophobicity can separate surfactant-stabilized oil-in-water emulsions. Conversely, other displays superhydrophobicity superoleophilicity treat water-in-oil Significantly, this presents superior long-term separation without obvious flux decline high recovery ability because of its stability. Furthermore, enhances interfacial floatability at air–water interfaces, enabling design advanced materials. The as-prepared has established cooperated system, overcoming monotony conventional expanding application these specialized oily wastewater treatment.

Language: Английский

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A Solar-Heated Phase Change Composite Fiber with a Core–Shell Structure for the Recovery of Highly Viscous Crude Oil

Polymers, Journal Year: 2025, Volume and Issue: 17(2), P. 135 - 135

Published: Jan. 8, 2025

Due to the high viscosity and low fluidity of viscous crude oil, how effectively recover spilled oil is still a major global challenge. Although solar thermal absorbers have made significant progress in accelerating recovery, its practical application largely restricted by variability radiation intensity, which influenced external environmental factors. To address this issue, study created new composite fiber that not only possesses energy conversion storage capabilities but also facilitates removal. PF@PAN@PEG was obtained coaxial electrospinning processing, with PEG within PAN fibers, coating layer applied surface impart oleophilicity hydrophobicity. exhibited latent heat value (77.12 J/g), porosity, excellent photothermal capabilities, significantly reducing oil. can adsorb approximately 11.65 g/g under sunlight irradiation. Notably, due encapsulation PEG, continuously maintain at phase change temperature releasing specific conditions, no leakage all. When light intensity varied, collection efficiency increased 21.99% compared when material added. This research offers potential approach for effective use clean spill pollution.

Language: Английский

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TDA/rGO@WS with Joule heat and photothermal synergistic effect: A promising adsorption material for all–weather recovery of viscous oil spills at sea

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 466, P. 133542 - 133542

Published: Jan. 16, 2024

Language: Английский

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Innovative technologies for the fabrication of 3D/4D smart hydrogels and its biomedical applications - A comprehensive review

Advances in Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 328, P. 103163 - 103163

Published: May 7, 2024

Language: Английский

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Biosurfactant and iron oxide nanoparticle-assisted bioremediation of soil co-contaminated with hydrocarbons and hazardous heavy metals

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 497, P. 154677 - 154677

Published: Aug. 9, 2024

Language: Английский

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Stearic acid/CNT-wrapped superhydrophobic/oleophilic sponge with Joule-heating effect for efficient removal of crude oil

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(5)

Published: Feb. 3, 2025

Crude oil spill accidents cause extreme environmental damage, with huge economic costs that include the loss of resources. Despite advances in conventional cleanup technology, such as dispersants, absorbents, and skimmers, there is still a need for more efficient solutions. In this study, we introduce Joule-heated stearic acid/carbon nanotube-wrapped polyurethane sponge (SCPU) rapid all-weather recovery leaked crude oil. SCPU both hydrophobic oleophilic electrically conductive. When 6 V were applied across SCPU, surface temperature increased to 146 °C within 70 s, which reduced viscosity shortened time by over 99%. addition, can continuously recover floating on water when connected peristaltic pump. This has high adsorption capacity, scalable preparation method, mechanically stable, thus expected provide an practical solution responding accidents.

Language: Английский

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Positively charged hydrophobic polymer foams via high internal phase emulsion polymerization followed by quaternization for effective oil-in-water emulsion separation

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 115255 - 115255

Published: Jan. 1, 2025

Language: Английский

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Insights into porous structure effect on the removal of high-viscous crude oil spill by cellulose-based aerogel with solar/electro-thermal conversion

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160687 - 160687

Published: Feb. 1, 2025

Language: Английский

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Dynamic behavior of droplets impacting porous particles in oil–water separation

Chemical Engineering Science, Journal Year: 2025, Volume and Issue: unknown, P. 121452 - 121452

Published: Feb. 1, 2025

Language: Английский

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ACID DEEP EUTECTIC SOLVENTS (AADES) IN OIL PURIFICATION: AN OVERVIEW OF PROPERTIES, APPLICATIONS, AND FUTURE DIRECTIONS

Journal of Ionic Liquids, Journal Year: 2025, Volume and Issue: unknown, P. 100143 - 100143

Published: March 1, 2025

Language: Английский

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