Preparation and characterization of thermo-acid-modified palygorskite- loaded nano zero-valent iron and its adsorption of In(III)

The adsorption data of In ( III ) on palygorskite after pretreatment ;
the preparation conditions of thermally acid-modified palygorskite-supported nano zero-valent iron composites ( HA-PAL / nZVI ) were optimized；
Characterization of the composites, including XRD, FT-IR, BET, SEM-EDS ;
the effect of solution acidity on the adsorption of In ( III ) by HA-PAL / nZVI ;
adsorption thermodynamic model and thermodynamic parameters ;
adsorption kinetic model ;
the effects of ionic strength and coexisting components on the adsorption of In ( III ) by HA-PAL / nZVI ;
the desorption effect of eluent type and concentration ;
XPS analysis and adsorption mechanism