  In this paper, we evaluate the structural stability of a natural Cuban clay
(an adsorbent of organic pollutants) after an adsorption-desorption process.
The clay under study was palygorskite, and sulfamethoxazole was the emerging
contaminant. The materials were characterized by X-ray diffraction, attenuated
total reflection infrared spectroscopy and zeta potential before and after the
sulfamethoxazole adsorption-desorption processes. Based on the material
integrity, the potentiality of Pal as pollutant adsorbent and its possible
reuse in adsorption-desorption cycles was demonstrated.
