| Lectures: 4 Periods/Week | Sessional Marks: 30 |
| University Exam: 3 Hours | University Examination Marks: 70 |
UNIT-I
Introduction to Pinch Technology: Definition of pinch technology. Basis of Pinch Technology. Objectives of Pinch Analysis. Process Integration by Pinch Analysis. Development of Pinch Technology. Areas of applications of Pinch Technology.
The concept of process synthesis. The role of thermodynamics in process design.
UNIT-II
Heat recovery: Basic concepts of heat exchange, the temperature-enthalpy diagram, Composite curves, A targeting procedure.
The grand composite curve and shifted composite curves. The pinch and its significance.
Heat exchanger network design: Network grid representation, design for maximum energy recovery. Choosing dTmin, Supertargeting.
Methodology of Pinch Analysis: The range of pinch analysis techniques, Application of pinch study.
UNIT-III
Data Extraction: Data extraction: Heat and mass balance, stream data extraction, calculating heat loads and heat capacities, choosing streams, mixing, heat losses. Organics distillation plant-a case study.
Energy targeting: dTmin contributions for individual streams, Threshold problems. Organics distillation plant - a case study.
UNIT-IV
Process change and evolution: Basic objective, The plus-minus principle, appropriate placement applied to unit operations, reactor systems, distillation columns.
Case studies: Crude preheat train, Aromatics plant.
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