Scalable synthesis and purification of functionalized graphene nanosheets for water remediation

Sebastiano Mantovani; Sara Khaliha; Laura Favaretto; Cristian Bettini; Antonio Bianchi; Alessandro Kovtun; Massimo Zambianchi; Massimo Gazzano; Barbara Casentini; Vincenzo Palermo; Manuela Melucci

doi:10.1039/D1CC00704A

Scalable synthesis and purification of functionalized graphene nanosheets for water remediation†

Sebastiano Mantovani,^a Sara Khaliha,^a Laura Favaretto,^a Cristian Bettini,^a Antonio Bianchi,^a Alessandro Kovtun,

^a Massimo Zambianchi,

^a Massimo Gazzano,

^a Barbara Casentini,^b Vincenzo Palermo

*^a and Manuela Melucci

*^a

Author affiliations

* Corresponding authors

^a Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, Bologna, Italy
E-mail: manuela.melucci@isof.cnr.it

^b Consiglio Nazionale delle Ricerche-Water Research Institute (CNR-IRSA), Via Salaria Km 29,300 C. P, Italy

Abstract

Microwave (MW) accelerated synthesis combined with microfiltration (MF) on commercial hollow fiber modules enables fast and scalable preparation of highly pure modified graphene oxide nanosheets. The MW–MF procedure is demonstrated on polyethylenimine (PEI) modified GO, and the so-obtained GOPEI is used for simultaneous removal of arsenic and lead from water.

Chemical Communications

Scalable synthesis and purification of functionalized graphene nanosheets for water remediation†

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Scalable synthesis and purification of functionalized graphene nanosheets for water remediation

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