Collection of nanoparticles at the air-liquid interface by surface tension gradients

Publication date: November 2019Source: Colloid and Interface Science Communications, Volume 33Author(s): Dong Liu, Ding Weng, Jiadao WangAbstractParticles such as nano-plastics at the air-liquid interface is harmful to the environment. Due to small size of the nanoparticles, expensive materials are needed to collect them such as ultrafiltration membranes. In our study, we propose an easy method to collect the nanoparticles at the air-liquid interface. Because surface tension of contaminated water is lower than that of deionized water, the surface tension gradient is used to transport the nanoparticles. In our study, we wet a strip with deionized water and then immerse one end of the wetting strip into contaminated water. Due to the surface tension gradient between the contaminated water and the deionized water, the nanoparticles at the surface of the contaminated water are transported to the surface of the strip. In addition, by adding a small amount of deionized water at the other end of the strip, the nanoparticles can be constantly collected. Furthermore, many materials can be used as the hydrophilic strip, such as glass, paper, and steel mesh.Graphical abstract
Source: Colloids and Interface Science Communications - Category: Nanotechnology Source Type: research

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Source: Journal of Physics and Chemistry of Solids - Category: Physics Source Type: research
Publication date: 25 December 2019Source: Journal of Industrial and Engineering Chemistry, Volume 80Author(s): Bin Lyu, Huihui Liu, Pengfei Li, Dangge Gao, Jianzhong MaAbstractThe polymeric surfactants were synthesized using allyl glycidyl ether, acrylamide, butyl acrylate and sodium allylsulfonate by radical polymerization and applied as corrosion inhibitor of carbon steel via weight loss method. The structure of polymeric surfactants was confirmed by FT-IR and NMR. The surface activity of polymeric surfactants was characterized by surface tension and wetting power. The anticorrosion mechanism of polymeric surfactants was...
Source: Journal of Industrial and Engineering Chemistry - Category: Chemistry Source Type: research
ACS Applied Materials&InterfacesDOI: 10.1021/acsami.9b15867
Source: ACS Applied Materials and Interfaces - Category: Materials Science Authors: Source Type: research
This study may provide useful insights for material and structural design of MD membranes to treat wastewater with a complex composition.Graphical abstract
Source: Journal of Membrane Science - Category: Materials Science Source Type: research
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Source: Microchemical Journal - Category: Chemistry Source Type: research
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Source: Journal of Molecular Liquids - Category: Molecular Biology Source Type: research
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Source: Chemical Engineering and Processing: Process Intensification - Category: Chemistry Source Type: research
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Source: RSC - Soft Matter latest articles - Category: Chemistry Authors: Source Type: research
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Source: Colloids and Interface Science Communications - Category: Nanotechnology Source Type: research
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Source: American Family Physician - Category: Primary Care Authors: Tags: Am Fam Physician Source Type: research
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