Construction of a carbon nanosphere aerogel with magnetic response for efficient oil/water separation

Cui, Yan; Kang, Weiwei; Hu, Jifan

doi:10.1039/d2nj04450a

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Cited by 3 publications

References 62 publications

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Facile synthesis of hollow carbon fiber/carbon quantum dots composite aerogels for oil sorption

Ibarra Torres,

Serrano Quezada,

Kharissova

et al. 2023

Geoenergy Science and Engineering

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Facile synthesis of hollow carbon fiber/carbon quantum dots composite aerogels for oil sorption

Ibarra Torres,

Serrano Quezada,

Kharissova

et al. 2023

Geoenergy Science and Engineering

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A review of superwetting aerogel-based oil-water separation materials

Li,

Liu,

et al. 2024

Materials Today Sustainability

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Stable pH-responsive superhydrophobic fabric based on AgNPs/copolymer composites for controllable oil-water separation

Li,

Su,

Deng

et al. 2024

Preprint

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In recent years, intelligent response membrane materials have aroused considerable interest in controllable oil-water separation. However, challenges such as unstable response repeatability and easy bacterial contamination continue to hinder their effective use. Herein, a superhydrophobic fabric with pH responsiveness and antibacterial property were synthesized by combing (3-mercaptopropyl)trimethoxysilane (MPTMS) with AgNPs and pH-responsive polymer (DVM) on a fabric substrate. The fabric persisted superhydrophobicity with a WCA of 156o under natural conditions, while underwent a controlled transition of surface wettability in acidic environments. Heavy oil-water mixtures and light oil-water mixtures achieved controllable separation both before and after pH response. The fabric exhibited outstanding oil-water separation capability, achieving a separation efficiency of 98.0% and a separation flux of up to 11025.0 L·m-2·h-1. The pH response and oil-water separation demonstrated excellent repeatability. Specially, the pH responsiveness was maintained for up to 10 cycles, and the oil-water separation remained repeatable for up to 15 cycles. Even when tested under various environmental conditions, the superhydrophobicity was retained. Additionally, the fabric possessed remarkable antibacterial property with an efficiency reaching 90.4%. The preparation of the superhydrophobic fabric serves as a valuable reference for developing multifunctional and stable intelligent materials for oil-water separation.

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Construction of a carbon nanosphere aerogel with magnetic response for efficient oil/water separation

Abstract: Marine oil leakage and toxic chemical discharge accidents have occurred frequently, leading to serious water pollution problems. Thus, the effective treatment of oily wastewater is imminent. Carbon aerogels are widely...

Cited by 3 publications

References 62 publications

Facile synthesis of hollow carbon fiber/carbon quantum dots composite aerogels for oil sorption

Facile synthesis of hollow carbon fiber/carbon quantum dots composite aerogels for oil sorption

A review of superwetting aerogel-based oil-water separation materials

Stable pH-responsive superhydrophobic fabric based on AgNPs/copolymer composites for controllable oil-water separation

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