Cleaning grease stained surfaces is difficult, as these may contain porous and irregular surfaces facilitating the embedding of substances such as volatile fatty acids (VFA). The cleaning of these surfaces can be achieved through the photocatalytic degradation of VFA. The objective of this research is to synthesize and characterize TiO2 coatings on porcelain (model substrate) at different synthesis conditions and to study the hydroxylation/dehydroxylation (H/D) effect on its photocatalytic properties.