Defect-Free Na+-Cu2+/GO-PEI Nanocomposite Membrane for High-Efficiency Removal of Organic Compounds from Hypersaline Brine

本文通过 pH 值控制的交联聚合反应成功制备出无缺陷的 Na+ - Cu2+ /GO - PEI 膜,其中引入聚乙烯亚胺(PEI)以增强 Na+ - GO 层和 Cu2+ - GO 层之间的界面稳定性。Na+ /GO 层改变了 PES 基底的孔隙结构,而 PEI 则通过与 GO 纳米片的酰胺键连接来加强连接,随后 Cu2+ 发生螯合。所得膜在高盐度盐水中对磷酸三丁酯、磺化煤油和磷酸二(2 - 乙基己基)酯表现出卓越的分离效率(> 98%),且具有高通量(160 - 224 L·m−2·h−1)。此外,该膜在恶劣条件下表现出强大的化学和机械稳定性。本研究为设计用于高盐度环境中去除有机污染物的高性能 GO 基膜提供了新的策略。

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Publication Details

Journal
Journal of Salt Lake Research
Published
2025-05-01
DOI
https://doi.org/10.3724/j.yhyj.20250053
Primary Topic
Extraction and Separation Processes
Type
article
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article

Defect-Free Na+-Cu2+/GO-PEI Nanocomposite Membrane for High-Efficiency Removal of Organic Compounds from Hypersaline Brine

Peng Wu, Mengling Xie, Xin Liu
Journal of Salt Lake Research
Extraction and Separation Processes
article

Defect-Free Na+-Cu2+/GO-PEI Nanocomposite Membrane for High-Efficiency Removal of Organic Compounds from Hypersaline Brine

Peng Wu, Mengling Xie, Xin Liu
article en

Abstract

本文通过 pH 值控制的交联聚合反应成功制备出无缺陷的 Na+ - Cu2+ /GO - PEI 膜,其中引入聚乙烯亚胺(PEI)以增强 Na+ - GO 层和 Cu2+ - GO 层之间的界面稳定性。Na+ /GO 层改变了 PES 基底的孔隙结构,而 PEI 则通过与 GO 纳米片的酰胺键连接来加强连接,随后 Cu2+ 发生螯合。所得膜在高盐度盐水中对磷酸三丁酯、磺化煤油和磷酸二(2 - 乙基己基)酯表现出卓越的分离效率(> 98%),且具有高通量(160 - 224 L·m−2·h−1)。此外,该膜在恶劣条件下表现出强大的化学和机械稳定性。本研究为设计用于高盐度环境中去除有机污染物的高性能 GO 基膜提供了新的策略。

Journal of Salt Lake Research
Openalex Percentile: Top 87%
Extraction and Separation Processes
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Defect-Free Na+-Cu2+/GO-PEI Nanocomposite Membrane for High-Efficiency Removal of Organic Compounds from Hypersaline Brine — Peng Wu, Mengling Xie, et al. · Journal of Salt Lake Research (2025) | TGRS Research Map | TGRS