Advanced graphene oxide-based membranes as a potential alternative for dyes removal: A review

Graphene oxide (GO) is one of the most well-known graphene derivatives which, due to its outstanding chemical, electrical and optical properties as well as its high oxygen content, has been recently applied in several fields such as in the construction of sensors, as antimicrobial agent for biomedical applications, as well as nanofiller material for membranes applied in wastewater treatment. In this last-mentioned field, the synthesis and functionalization of membranes with GO has proven to improve the performance of membranes applied in the treatment of wastewater containing dyes, regarding antifouling behavior, selectivity and flux. In this review, an overview of water pollution caused by effluents containing synthetic dyes, the advantages and limitations of GO-based membranes and the latest research advances on the use of GO-based membranes for dyes removal, including its impact on membrane performance, are discussed in detail. The future panorama of the applicability of GO-based membranes for the treatment of water contaminated by dyes is also provided. (c) 2021 Elsevier B.V. All rights reserved.

Automated summary

Graphene oxide (GO) is a well-known derivative of graphene with excellent properties, and its functionalization in membranes has shown significant improvements in performance, particularly in antifouling behavior, selectivity, and flux for wastewater treatment. Research on the use of GO-based membranes for dye removal in water treatment is advancing, offering promising future prospects in this field.