Adsorption 2 Red mud 2 adsorption 2 red mud Adsorption effect 1 Adsorption energies 1 Adsorption performance 1 Adsorption site 1 Azo dyes 1 Cancrinites 1 Citrus fruits 1 Composition analysis 1 Density functional theory 1 Density-functional-theory 1 Distribution functions 1 Dyes wastewaters 1 First-principle study 1 Higher efficiency 1 Hydrotalcite compounds 1 II-VI semiconductors 1 Material compositions 1 Methyl Orange 1 Modified reds 1 Molecular dynamics 1 Morphology 1 Morphology analysis 1 Recycling 1 Seawater 1 Sodium dodecyl benzene sulphonate 1 Surface wettability 1