Preparation of Silica/Graphene Oxide Composite Membranes for Nanofiltration

被引：1

作者：

Arak, Sadao ^{[1
]}

Haruki, Josai ^{[1
]}

Ueda, Kojiro ^{[1
]}

Yamamoto, Hideki ^{[1
]}

机构：

[1] Kansai Univ, Fac Environm & Urban Engn, Dept Chem Energy & Environm Engn, 3-3-35 Yamate cho, Osaka 5648680, Japan

来源：

CHEMISTRY LETTERS | 2022年 / 51卷 / 10期

关键词：

Graphene oxide; Silica; Nanofiltration; GRAPHENE OXIDE; SEPARATION; WATER; PERFORMANCE; FABRICATION; FLUX;

D O I：

10.1246/cl.220332

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Graphene oxide (GO) membranes have received widespread attention. However, GO membranes exhibit low structural stability in water. We attempted to solve this problem by cross -linking GO with silica. The water permeance of a silica/ GO membrane, which was prepared with a tetraethyl silicate/ GO mass ratio of 190 and a reaction time of 3 h, was six times that of an unmodified GO membrane. The molecular weight cutoff of the silica/GO membrane was 800, which was almost the same as that of the unmodified GO membrane.

引用

页码：1022 / 1025

页数：4

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