Graphene Composites for Water Treatment

Dear Colleagues,

New material solutions are urgently required in order to obtain more efficient water treatment technologies for removing contaminants (organic and inorganic) or salt. Water pollution is a permanent challenge to be tackled, considering the fact that, according to EPA, each year, almost 2000 new chemicals are introduced worldwide. Pathogen contamination by bacteria and viruses is also a matter of great concern. Among these species, so-called “contaminants of emerging concern (ECs)”, i.e. persistent pollutants ending up in surface water and detected even in drinking water deserve particular focus. These are encouraging joint industrial and academic efforts to develop new technologies that are able to remove multi-contamination at sustainable costs to replace the state-of-the-art technology mainly relying on multistep treatments, low-efficiency wide spectrum adsorbents or efficient but selective filters. Just as importantly, desalination technologies are crucial for ensuring access to clean water for the whole world population in the coming years. Graphene-related materials (GRMs) have already revealed their outstanding potential as components of composites or membranes for water treatment and desalination; thus, GRMs hold great promise in this field when it comes to to enhancing the efficacy of conventional technologies or simplifying purification schemes, and they provide a new valuable tool to fight water pollution and desalting water. Contributions to this issue, in the form of original research or review articles, which cover all aspects of graphene modification/functionalization, graphene composites, and membranes for adsorption and filtration for water treatment, include studies with multidisciplinary input, and offer new methodologies or insights on specific applications, are particularly welcome.

Dr. Manuela Melucci
Guest Editor

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• Graphene–polymer composites
• Adsorbents
• Membranes
• Water treatment
• Emerging contaminants