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- W4205121271 startingPage "128355" @default.
- W4205121271 abstract "A superhydrophilic/underwater superoleophobic CaCO3@[email protected] nanocomposite membrane was prepared by a simple dip-coating method using a nylon 66 membrane in dopamine and nano CaCO3 particle aqueous solutions. The prepared CaCO3@[email protected] membrane was characterized by SEM, EDS, FTIR, and XPS. The underwater oil contact angle reached 159.7°. The modified membrane showed highly efficient oil-in-water emulsion separation performance for various viscous oils or organic solvents over a wide range from 126.8 to 6029.6 nm. Furthermore, the CaCO3@[email protected] membrane also demonstrated high permeation flux and good regeneration ability. Even with continuous reuse of 15 cycles, the flux was still high, e.g., 517.3 L m−2 h−1 for chloroform-in-water emulsions with an average particle size of 126.8 nm. The modified membrane's possible oil-in-water emulsion separation mechanism was obtained by combining fluorescence-assisted dripping, continuous filtration, and emulsion contact angle experiments. This work might provide a simple and environmentally friendly membrane modification method for general separation studies of high oil concentration oil-in-water emulsions. The simple preparation process and efficient and fast separation ability highlight its great potential in large-scale production and oily wastewater treatment." @default.
- W4205121271 created "2022-01-26" @default.
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- W4205121271 date "2022-04-01" @default.
- W4205121271 modified "2023-10-17" @default.
- W4205121271 title "Polydopamine-CaCO3 modified superhydrophilic nanocomposite membrane used for highly efficient separation of oil-in-water emulsions" @default.
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- W4205121271 doi "https://doi.org/10.1016/j.colsurfa.2022.128355" @default.
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