1. Heterogeneous photocatalysis versus catalysis: General aspects 2. Preparation of catalysts and photocatalysts used for similar processes 3. Bulk characterization techniques 4. Surface characterization techniques 5. Morphological, textural and optical properties 6. Photocatalytic and catalytic reactions in solid-liquid systems 7. Photocatalytic and catalytic reactions in gas-solid systems 8. Photoreactors, reactors and light sources for (photo)catalytic reactions 9. Kinetics aspects of heterogeneous catalytic versus photocatalytic reactions 10. Economical assessment and possible industrial application