Carbon-based materials can be fruitfully applied for water treatment. Carbon nanotubes, acting as nanoporous adsorbents, work effectively against chemical and biological contaminants. They can be also used to enhance the photocatalytic properties of TiO2 nanostructures. The coupling of carbon nanotubes with TiO2 nanostructures is under investigation in order to maximize the functionality of TiO2 materials in water treatment process during the UV irradiation. Graphene and graphene oxide have also a great potential for water filtration. The ability of "the material of the future" is under investigation.
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