Optics & Laser Technology, Journal Year: 2024, Volume and Issue: 181, P. 111981 - 111981
Published: Oct. 20, 2024
Language: Английский
Langmuir, Journal Year: 2025, Volume and Issue: unknown
Published: May 15, 2025
The emissions of oily wastewater represent a considerable risk to the environment. demulsification and separation crude oil emulsions have been difficult problems in field petroleum. Consequently, development green, cost-effective, highly efficient and/or oil-water technologies has emerged as critical research priority. In this study, activated carbon (AC) was designed be modified by using hexadecyltrimethoxysilane (HDTMS) superhydrophobic material. By spraying mixture AC epoxy resin onto 300# 2000# stainless steel mesh (SSW), AC-coated SSWs with excellent wetting resistance durability were developed. These completely replaced demulsifiers for achieving emulsions. SSW demonstrated remarkable efficiency above 96.6% across five types mixtures. For chloroform-water mixtures, flux consistently remained 97.7% 12050 L·m-2·h-1 over 20 consecutive cycles. also stable 94.8% 490.8 water-in-chlorobenzene (W/O) after This underscores material's consistent high performance oil/water processes. strategy materials may provide general hydrophilic modification method new generation high-performance coatings offers prospective technical support rapid purification wastewater.
Language: Английский
Citations
0
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(32), P. 42641 - 42659
Published: Aug. 1, 2024
The pressing need for effective methods to separate oil and water in oily wastewater has spurred the development of innovative solutions. This work presents creation evaluation a Janus nanofibrous membrane, also known as Liquid Diode, developed using electrospinning (e-spinning) buoyancy-assisted hydrothermal techniques. membrane features unique structure: one side is composed PVDF nanofibers embedded with GO/TiO2 composite, exhibiting in-air superhydrophobic superoleophilic properties, while reverse consists ZnO nanorod array, demonstrating superhydrophilic underwater (UW) superoleophobic properties. distinct asymmetric wettability enables effectively both water-in-oil (w-in-o) oil-in-water (o-in-w) emulsions, achieving an impressive liquid flux separation efficiency (SEff). achieves maximum (Fo) 3506 ± 250 L m–2 h–1, (Fw) 1837 150 SEff exceeding 98% sides. Furthermore, maintained reliable mechanical stability after 10 cycles sandpaper abrasion test demonstrated excellent chemical when subjected acidic, alkaline, cold hot conditions 24 h. These combined its ability breaking down organic contaminants (98% 2% 210 min) pharmaceutical (97% under visible light, highlight photocatalytic potential. Additionally, membrane's antifouling antibacterial properties suggest long-term sustainable use treatment applications. synergistic combination these superior positions promising solution addressing complex challenges environmental remediation.
Language: Английский
Citations
3
ACS Applied Engineering Materials, Journal Year: 2024, Volume and Issue: 2(10), P. 2414 - 2424
Published: Oct. 11, 2024
The spontaneous extraction of organic immiscible liquids using oil-repellent membranes holds substantial research significance, particularly in the domain oil–water mixture separation. However, development such is inherently challenging due to traditionally complex and multistep fabrication processes. This work introduces a single-step hydrothermal approach engineer surface with exceptional underwater–oil-repellent properties. Through reaction, nanoneedles are deposited onto porous hydrophobic nickel foam, imparting it superhydrophilicity air underwater superoleophobicity. resultant membrane demonstrates gravity-driven separation liquid mixtures, achieving an impressive efficiency up 99.6% extraordinary flux 33,839 L m–2 h–1. exhibit negligible oil droplet adhesion exceptionally low underwater–oil sliding angle. unique properties permit seamless manipulation transport microdroplets without any loss. Utilizing its antioil adhesiveness, facilitates transportation drop-to-drop configuration, showcasing potential for sophisticated applications oil-based microreactors. Furthermore, exhibits admirable reusability, chemical thermal stability, robust resistance salinity temperature fluctuations. simplified process offers promising method producing profound implications diverse demanding environments. Potential include spill remediation, transport, precise reagent transfer, droplet-based reactors.
Language: Английский
Citations
2
Progress in Organic Coatings, Journal Year: 2024, Volume and Issue: 198, P. 108885 - 108885
Published: Nov. 4, 2024
Language: Английский
Citations
1
Optics & Laser Technology, Journal Year: 2024, Volume and Issue: 181, P. 111981 - 111981
Published: Oct. 20, 2024
Language: Английский
Citations
0