Adsorption kinetics Adsorption 4 Fourier transform infrared spectroscopy 4 Intra-particle diffusion 4 Kinetics 4 adsorption kinetics 4 article 4 priority journal 4 scanning electron microscopy 4 A. fatua 2 Absorption capacity 2 Adsorption capacities 2 Adsorption desorption 2 Adsorption equilibrium isotherms 2 Adsorption isotherms 2 Atomic adsorption spectroscopy 2 Attenuated total reflectance 2 Avena 2 Avena fatua 2 Avena sativa 2 Biomass 2 Biosorption 2 Cadmium 2 Cadmium compounds 2 Clay minerals 2 Copper 2 Diffusion in solids 2 Dyes 2 Ecology 2 Energy dispersive spectroscopy 2