Investigation of efficiency of amberlite XAD-16 on adsorption of 2,4,6-trinitrophenol (TNP)

摘要: Abstract 2,4,6-trinitrophenol (picric acid or TNP) is toxic and hazardous material for the environment. It must be treated from any environmental contaminant. In this study, separation of TNP was aimed aqueous solutions by Amberlite XAD-16 polymeric resin with adsorbtion method. Adsorption investigated in terms equilibrium, kinetics thermodynamic conditions. For investigations experiments carried out at three different temperatures (298 K, 308 318 K). equilibrium studies, 1.5 g determined as optimal amount. The most used isotherms, Freundlich Langmuir, were applied to experimental data. Langmuir isotherm gave good results R square values about 0.99 temperatures. kinetic pseudo-first, pseudosecond order models experiments. pseudo second fitted adsorption system an value 0.987. Δ = −24...