Determination and interpretation of Process Engineering (definition determination and and characterization of PE, examples, classifications, task and roles of the Mechanical Engineering profession, necessary foundations for dealing with PE). Basic concepts and definitions in PE (working and auxiliary mediums, multicomponent substances, concentration, apparatus-process units, processing concept in PE). Basic unit operations (operations without additional mediums, operations with additional mediums, complex process operations). Concept of equilibrium and transfer phenomena in multicomponent heterogeneous environments (equilibrium conditions, different ways of expression of transfer potential expression, fluxes, convective transfer). Application of sustainable principles in multicomponent environments – balance methods (general derivation of transfer equations and macro balance equations, balance procedures). Fluid mechanics of multiphase systems as a basis of PE. Thermodynamics of mixtures as a basis of PE. Theory of diffusional mass transfer as a basis of PE. Chemical kinetics and PE. Similarity theory, modeling and simulation in PE. Efficiency of process operations and systems. Monitoring, regulation and management of process plants. Economics of process systems. Methods and procedures of optimization in PT. Methods of energy integration. Process databases and calculations. Process plants and environment.