Brief review of static optimization methods -- Dynamic optimization problems -- Energy limits for thermal engines and heat pumps at steady states -- Hamiltonian optimization of imperfect cascades -- Maximum power from solar energy -- Hamilton-Jacobi-Bellman theory of energy systems -- Numerical optimization in allocation, storage and recovery of thermal energy and resources -- Optimal control of separation processes -- Optimal decisions for chemical reactors -- Fuel cells and limiting performance of electrochemobiological systems -- Systems theory in thermal and chemical engineering -- Heat integration within process integration -- Maximum heat recovery and its consequences for process system design -- Targeting and supertargeting in heat exchanger network design -- Minimum utility cost (MUC) target by optimization approaches -- Minimum number of units (MNU) and minimum total surface area (MTA) targets -- Simultaneous HEN targeting for total annual cost -- Heat exchanger network synthesis -- Heat exchanger network retrofit -- Approaches to water network design.