Heavy metal adsorption Heavy metals 2 Acid activation 1 Adsorption 1 Aluminum 1 Chelation 1 Chemical activation 1 Chemical shift 1 Clay minerals 1 Colloidal Stability 1 Colloids 1 Dimercaptosuccinic acids 1 Dye decolorization 1 Electro-kinetic 1 Electrodynamics 1 Electrokinetic behavior 1 Electrolytes 1 FTIR spectroscopy 1 Fourier transform infrared spectroscopy 1 Green computing 1 Heavy metal chelating agents 1 Magic angle spinning 1 Magnetic nano-particles 1 Magnetic separation 1 Metal nanoparticles 1 Nanomagnetics 1 Nuclear magnetic resonance 1 Nuclear magnetic resonance spectroscopy 1 Palygorskite 1 Palygorskites 1