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MEng Chemical Engineering / Course details
Year of entry: 2021
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Course unit details:
|Unit level||Level 3|
|Offered by||Department of Chemical Engineering & Analytical Science|
|Available as a free choice unit?||No|
Process design is the most important skill in the education of chemical engineers. This unit provides a link between the taught units in the first 3 years of the course to provide the core skills required to perform the design of a chemical process.
Lecture 1 Chemical Process Projects
The process design problem. Cost estimates. New design and retrofit. Design hazard management. Project phases.
Lecture 2 Hot Utilities
Heat integration and the role of utilities in energy balancing. Steam systems and cogeneration. Steam levels. Steam distribution. Fired heaters. Choice of hot utility for a given temperature.
Lecture 3 Cold Utilities
Recirculating cooling water systems. Air coolers. Pure component refrigeration systems. Multiple refrigeration levels. Cascade systems. Mixed refrigerants. Choice of cold utility for a given temperature.
Lecture 4 Reliability, Maintainability and Availability Concepts
Basic reliability theory as applied to chemical process equipment. Maintainability and availability for individual items of equipment.
Lecture 5 Reliability, Maintainability and Availability of Systems
Fault trees and reliability block diagrams. Series and parallel systems. Standby equipment.
Lecture 6 Process Control – Concepts
Basic feedback control loops. Cascade and ratio control. Computer control and distributed control systems. Alarms. Representation.
Lecture 7 Process Control - Flowrate and Inventory Control
Flowrate control. Inventory control of liquids and gases. Direction of inventory control. Recycle inventory control.
Lecture 8 Process Control – Degrees of Freedom
Degrees of freedom and control.
Lecture 9 Process Control - Control of Process Operations
Control of process operations. Control of pumps, compressors, heat exchangers, flash drums, distillation, reactors.
Lecture 10 Process Control - Overall Process Control
Synthesis of overall process control systems. Control interactions.
Lecture 11 Piping and Instrumentation Diagrams – Piping and Pressure Relief
Piping systems, pressure relief and emergency discharge in P&IDs.
Lecture 12 Piping and Instrumentation Diagrams - Process Operations
P&IDs for pumps, compressors, heat exchangers, distillation and liquid storage.
Lecture 13 Piping and Instrumentation Diagrams – Construction
Construction of P&IDs for complete processes.
|Unit title||Unit code||Requirement type||Description|
The unit aims to:
- Develop the necessary knowledge and skills to be able to select heating and cooling duties required to service a process design.
- Develop the necessary knowledge and skills to be able to analyse the reliability, maintainability and availability aspects of a process design.
- Develop knowledge of process control to be able to synthesise the control system for an overall chemical process.
- Develop the background knowledge necessary to be able to create a piping and instrumentation diagram for a chemical process.
ILO 1.Select heating and cooling duties required to service a process design.
ILO 2.Analyse the reliability, maintainability and availability aspects of a process design.
ILO 3.Synthesise the control systems for individual process operations and overall chemical processes.
ILO 4.Create a piping and instrumentation diagram for a chemical process.
Teaching and learning methods
Blended learning sessions. Sessions include exercises to consolidate formal learning.
All teaching material available in Blackboard. Blackboard is employed to provide lecture notes, additional materials, and feedback on problems and examples.
|Written assignment (inc essay)||30%|
Smith, R., Chemical Process Design and Integration, 2nd edition, 2016, Wiley, ISBN-13: 978-1119990130
Towler, G.P. and Sinnott, R.K., Chemical Engineering Design: Principles, Practice and Economics of Plant and Process Design, 5th edition, Butterworth-Heinemann, 2012, ISBN-13: 978-0080966595.
Buckley PS (1964) Techniques of Process Control, Wiley. ISBN-10: 0471116556.
Luyben WL, Tyreus BD and Luyben ML (1999) Plantwide Process Control, McGraw-Hill ISBN 0-07-006779-1.
Mannan S (2012) Lees' Loss Prevention in the Process Industries, 4th Edition, Butterworth-Heinemann 0-7506-1547-8.
Ebeling CE (1997) An Introduction to Reliability and Maintainability Engineering, McGraw-Hill ISBN 0-07-018852-1.
Henley EJ and Kumamoto H (1981) Reliability Engineering and Risk Assessment, Prentice-Hall ISBN 0-13-772251-6.
|Scheduled activity hours|
|Independent study hours|
|Robin Smith||Unit coordinator|
This course unit detail provides the framework for delivery in 20/21 and may be subject to change due to any additional Covid-19 impact. Please see Blackboard / course unit related emails for any further updates.