Establishing Photocatalytic Kinetic Rate Equations: Basic Principles and Parameters.- Novel Photocatalytic Reactors for Water and Air Treatment.- Photocatalysts, Radiation Sources and Auxiliary Equipment for Photocatalysis.- The Irradiation Field in Photocatalytic Reactors.- Kinetic Modeling of the Photocatalytic Reaction Network: The Parallel-Series Approximation.- The Energy Efficiency Factors in Photocatalytic Processes.- Water Decontamination of Organic Species: Modeling Reaction and Adsorption Processes.- Photocatalytic Degradation of Air Borne Pollutants.- Advances and Perspectives for Photocatalysis.