Courses

Physical Processes

General

Course Contents

  • Introduction to separations: Mechanical separations, mass transfer processes, direct and indirect processes, the concept of design. Mechanical separations.
  •  Filtration: Traditional/dead-end filtration. Drop in pressure in the traditional filtration. Discontinuous pressure filters. Discontinuous vacuum filters. Continuous vacuum filters. Rotary drum pressure filters. Centrifugal separations. Filter media. Absorption,
  • Stripping: Principles of absorption. Mass transfer coefficients. Towers with fillers, random and ordered. Tiered towers. Contact between liquid and gas in counterflow and coflow.
  • Mass balances. Absorption of many components. Absorption by chemical reaction.
  • Membrane separations: Porous membranes, polymer membranes. Membrane structure. Product purity and performance. Applications. Separation of gases. Liquid separation. Membranes for liquid-liquid extraction.
  • Drying: Principles of drying. Types of dryers. Heat transfer to dryers. Calculation of dryer thermal duty. Heat transfer units. Equilibrium moisture and free moisture. Calculation of drying time with constant conditions. Freeze drying.
  • Adsorption: Adsorbent materials and adsorption processes. Fixed bed adsorbents. Equilibrium and adsorption isotherms. Ion exchange. Chromatography.
  • Heat exchangers: General design of heat exchange devices. Yard shell alternators. Blade efficiency rating. Condensers and evaporators. Heat transfer in packed beds.

Educational Goals

The aim is to gain an in-depth understanding of the physical principles underlying the design and analysis of physical process devices and to describe and design them using analytical and empirical techniques.

General Skills

  • Searching, analyzing and synthesizing data and information, using the necessary technologies.
  • Adapting to new situations.
  • Making decisions.
  • Work in teams.
  • Generating new research ideas.

Teaching Methods

  • In the classroom, face to face.

Use of ICT means

  • Basic software (windows, word, power point, the web, etc.).
  • Support of learning process through the electronic platform / e-class.

Teaching Organization

ActivitySemester workload
Lectures39
Independent study36
Total75

Students Evaluation

Final written exam in theory includes:

  • multiple choice questions,
  • short development questions,
  • problem solving.

Recommended Bibliography

  1. ΙΩΑΝΝΗΣ ΓΕΝΤΕΚΑΚΗΣ, ΦΥΣΙΚΕΣ ΔΙΕΡΓΑΣΙΕΣ: ΑΝΑΛΥΣΗ ΚΑΙ ΣΧΕΔΙΑΣΜΟΣ, ΕΚΔΟΣΕΙΣ ΚΛΕΙΔΑΡΙΘΜΟΣ ΕΠΕ.
  2. Ασσαέλ Μάρκος Ι.,Μαγγιλιώτου Μαρία Χ. Φυσικές διεργασίες, ΕΚΔΟΣΕΙΣ Α. ΤΖΙΟΛΑ & ΥΙΟΙ Α.Ε.
  3. H. Perry and D. Green “Perry’s Chemical Engineers Handbook, 8th ed.”, Mc Graw Hill International Editions 2007.
  4. Mafart, E. Beliard “Génie industriel alimentaire, tomes 1+2”, Dunod 2004.
  5. Saravakos & al: “Handbook of food processing equipment”, Kluwer Academics 2003.

Related Research Journals

  1. The Journal of Physical Chemistry A.
  2. Journal of Industrial and Engineering Chemistry.
  3. Processes.