Methods of analysis and synthesis of TPP. Mathematical models of TPP. TPP efficiency criteria. Limitations on design and exploitation of TPP. Analysis and optimization of TPP: energy, economic and environmental aspects. TPP and the environment. Method for multimedia pollution assessment. Policies to mitigate the effects of environmental pollution during production, distribution and energy consumption and scenarios for effective application. Thermo-economic and environmental analysis and optimization of TPP. Functional analysis. Phases of reduction of pollution and pollution rates, factor of harmful pollutants. Energy, economic and environmental objective functions and optimization. Environmental and/or social costs as a function of pollution measures. Application example of gas-turbine coogeneration plant with desulphurization of combustion products. Cost-benefit analysis of TPP and the calculation of external environmental costs. The application of economic measures and the environment. Market oriented approaches to the assessment of external environmental costs. Analytical formulation of the Cost-benefit analysis (net present value, etc.). The example of application of Cost-benefit analysis on the gas-turbine coogeneration plant. Methodologies and risk assessment procedures for industrial plants. Determination of the Probability of failure and security, health, environmental and economic Consequences of failure. Formation of risk matrix. Methods to reduce risk. Procedures and methodologies for planning inspection and maintenance to reduce the risk of thermal process plants. Examples of application on the thermal process plants.