- theory of catalytic processes in heterogeneous, homogeneous and enzymatic systems: kinetics and mechanism of reactions,
- quantum chemical and molecular mechanics modelling of surface phenomena,
- mechanism of catalysis by oxides, zeolites and pillared clays,
- transport phenomena in colloid systems, electrokinetic phenomena,
- physical chemistry of soft matter , interactions in disperse systems and their stability,
- surfactant systems, adsorption, surface elasticity and foam formation and stability,
- catalytic processes for environmental protection,
- mechanism of the degradation of historical buildings and objects of art under the influence of air pollutants.