Course Details
Subject {L-T-P / C} : CH6333 : Pinch Technology { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Hara Mohan Jena
Syllabus
Process Integration and its Building Blocks: Definition of Process Integration (PI), School of thoughts, Areas of application and Techniques available for PI, Onion diagram. Pinch Technology – An Overview: Introduction, Basic concept, How it is different than energy auditing, Role of thermodynamic laws, Problem addressed by Pinch technology. Key Steps of Pinch Technology: Data extraction, Targeting, Designing, Optimization- Supertargteing. Basic Elements of Pinch Technology: Grid diagram, Composite curve, Problem table algorithm, Grand composite curve. Targeting of Heat Exchanger Network (HEN): Energy targeting, Area targeting, Number of units targeting, Shell targeting, cost targeting. Designing of HEN: Pinch design methods, Heuristic rules, Stream splitting, Design of maximum energy recovery (MER), Design of multiple utilities and pinches, Design for threshold problem, Loops and Paths. Heat Integration of Equipments: Heat engine, Heat pump, Distillation column, Reactor, Evaporator, Drier, Refrigeration systems. Heat and Power Integration: Co-generation, Steam turbine, Gas turbine.
Course Objectives
- To learn process integration with regard to an efficient use of energy and enhance energy efficiency
- Development of specific quantitative skills that will be useful in a wide range of processes in the design of inherently energy-efficient plants
Course Outcomes
The course contains the following deliverables: <br />1. Understand process integration and intensification <br />2. Find the minimum heating and cooling requirements for a process <br />3. Identify existing non-optimal arrangements of heat exchangers <br />4. Find lower cost solutions for arrangements of heat exchangers <br />5. Proficiency in energy efficient, environmentally benign and economic design of processes
Essential Reading
- V.U. Sheno, Heat Exchanger network synthesis, Gulf Publishing Co, USA , 1995
- J.M. Douglas, Conceptual Design of Chemical Process, McGraw Hill, New York , 1988
Supplementary Reading
- B. Linnhoff, D.W.Townsend, D. Boland, G.F. Hewitt, B.E.A. Thomas, A.R. Guy and R.H. Marsland, A User’s guide on process integration for the efficient use of energy, Inst of Chemical Engineers, London , 1982
- R. Smith, Chemical Process Design, McGraw Hill , 1995