A comparative study between a system of commercial mixed oxide ceramic membranes and a system of mixed oxide ceramic membranes impregnated with porcine gelatin for the removal of emergent pollutants

Abstract

A comparison was made between a tangential flow system with mixed oxide ceramic membranes and a tangential flow system with mixed oxide ceramic membranes impregnated with porcine gelatin for emerging contaminants such as tetracycline. For the impregnation of the ceramic membranes, a tangential flow system and a 1% porcine gelatin solution were improved. The surface of the membranes before and after impregnation was characterized by Scanning Electron Microscopy (SEM) to observe the deposition of porcine gelatin in the pores. For the removal tests, ceramic membranes of mixed oxides of 1 KD and 5 KD and a Tetracycline solution of 80 mg/L were used, taking samples at 10, 30 and 60 min, which were analyzed by means of UV-Vis spectroscopy. The objective of this work was to compare the removal capacity of emerging contaminants by means of a membrane system impregnated with porcine gelatin. A removal above 70% of Tetracycline was obtained in the 5KD membranes with impregnation.