Adsorption Porous materials 9 Purification 9 Water 9 Nanostructured materials 7 Carbon, Activated 6 Diffusion 5 Surfaces 5 Biotechnology 3 Chitosan 3 Congresses 3 Mathematical models 3 Molecules 3 Nanoparticles 3 Nanotubes 3 Polymers 3 Structure 3 Surface chemistry 3 Aggregation (Chemistry) 2 Crystals 2 Environmental aspects 2 Gas separation membranes 2 Liquid crystals 2 Oil spills 2 Refrigeration and refrigerating machinery 2 Research 2 Reverse osmosis 2 Sorbents 2 Surface active agents 2 Technological innovations 2