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Abstract
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Water purification is a collective name for a group of processes that make water more suitable for its application, which may be drinking, medical use, industrial use, and so on. A water purification process is designed to remove or reduce existing water contaminants to the point where water be fit for use. In the last years, the innovative methods such as nanotechnology have been researched to develop the water purification technologies. Graphene is a two-dimensional mesh of carbon atoms arranged in the form of a honeycomb lattice. It has earned the title “miracle material” thanks owing to a startlingly large collection of properties. It is thought that graphene is able to revolutionize the whole industries, as researchers work on many different kinds of graphene-based materials, each one with unique qualities and designation. The present chapter surveys and reviews the recent researches and published literature on the graphene-based materials for water purification. The main discussed methods are adsorption, photocatalysis, membrane filtration, and electrochemical water purification.
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