Detection of illegal dyes in foods using a polyethersulfone/multi-walled carbon nanotubes composite membrane as a cleanup method

文献类型： 外文期刊

第一作者： He Ya-hui

作者： He Ya-hui;He Ya-hui;Wang Jing

作者机构：

关键词： PES/MWCNTs composite ultrafiltration membrane; adsorption; industrial dye; cleanup; determination of illegal dyes in foods

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2018 年 17 卷 3 期

页码：

收录情况： SCI

摘要： In this paper, a polyethersulfone (PES)/multi-walled carbon nanotubes (MWCNTs) composite membrane was prepared using phase inversion. The surface morphology and internal structure of the membrane were observed by scanning electron microscopy (SEM). The effects of MWCNTs content on various aspects of membrane performance such as porosity, water flux, and antifouling characteristics were investigated. Results showed that proper addition of MWCNTs would improve the properties of the membrane. MWCNTs had a strong adsorption capacity for industrial dyes and the composite membrane could be used as an effective method to identify and clean up illegal dyes in foods. In addition, this new method for identifying dyes is rapid: the cleanup procedure in the determination of illegal dyes in foods by the composite membrane was shortened to 30 min or less compared to 6-8 h for traditional methods.

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