Graphene-based Adsorbents for the Removal of Water Contaminants

Water (Jal) is one of the most important utility for the entire mankind. Arguably, our mother earth is covered with close to 70% of water spreading across different channels:lakes, rivers, ocean, etc. But how much of the 70% water can be consumed for drinking purpose? A great number of people in poor or developing nations have still no access to unadulterated drinking water, they continue consuming water which may prove harmful to health containing bacteria, germs and other micro-organisms. ‘Adsorption’ process is considered in this paper to eliminate undesired contaminants from water. Graphene and its derived products have been used to remove the pollutants. The motivation of this study is to help in any capacity conceivable and contribute our bit to the people and nature around us. This paper discusses various graphene-based adsorbents and their equilibrium and maximum adsorption efficiencies for different water pollutants,overviewed with various affecting parameters.